Treatment of water, waste water, sewage, or sludge (C02)

C   Chemistry; metallurgy(311501)
C02            Treatment of water, waste water, sewage, or sludge(13159)
ethod for preventive protection of water body from pollution with liquid hydrocarbons // 2607396
FIELD: ecology.SUBSTANCE: invention relates to environmental protection and can be used for advanced-preventive protection of a water body from liquid hydrocarbon pollution, as well as during seasonal protective measures. Method involves treating the water body with liquid hydrocarbon adsorbents, which have been packed, using a certain method, into shell-bags, permeable for water and liquid hydrocarbons; bags with hydrophobic adsorbent inside – graphene pumice – are dumped onto the water surface in or near the source of water discharge at a hydraulic engineering installation to provide advanced preventive protection of water body while the bags are floating in the water using the current; or the bags that have been attached to each other or placed in a net together with a load and, possibly, anchor, are placed at the bottom of the protected water body for cleaning the bottom deposits from heavy hydrocarbons -once on the water surface, freely floating bags clean the protected water body and even collect the contaminant, which is not known to have been dropped into the water yet, wherein the neutralization of the contaminant is performed by hydrocarbon-oxidizing natural bacteria present in any aquatic ecosystem or under other natural factors - in the pores of the adsorbent, which do not shrink under the action of capillary forces, and the bags, cleaned from the contaminant and able to move further, float to another contaminated section of the water surface and the cycle is repeated multiple times.EFFECT: invention provides protection of a water body from pollution by liquid hydrocarbons.6 cl
Apparatus for purifying industrial and storm sewage from titanium-magnesium production // 2607220
FIELD: wastewater treatment plants.SUBSTANCE: invention relates to treatment of industrial sewage and storm sewage from titanium and magnesium production. Plant for cleaning of industrial and storm sewage water includes chambers, connected to each other in following sequence: oil trap 2 is connected to UV disinfection chamber 4 by pipe 3, passing through disinfection chamber and equipped with UV irradiation device 5 with wavelength of 250–270 nm, disinfection chamber is connected to waste water flow rate measurement chamber 6 by pipe 3, passing through chamber for measuring flow rate and equipped with acoustic flow meter 7, flow measurement chamber is connected via pipeline with filtration chamber 8 with sorption filler 9 of MIU-S2 type, and filtration chamber with sorption filler is connected via pipeline to collecting manifold 10 for purified waste water, and pump station 11 for pumping purified waste water is connected via pipeline on one side with collecting manifold for purified waste water, and on other side with recycled water supply network 12. Transmission rate of waste water via pipeline and UV disinfection chamber, chamber for measuring flow rate of waste water and filtration chamber with sorption filler is not more than 24 m3/h.EFFECT: apparatus increases degree of purification of waste water from oil products (up to 0,05 mg/l), suspended substances (up to 7,55 mg/l) from impurities of nonferrous and rare metals, improves quality of recycled water used in cooling devices and equipment for titanium and magnesium production.3 cl, 1 dwg
ethod of reagentless treatment of industrial water from saponite-containing particles in depositing map // 2607209
FIELD: physics.SUBSTANCE: invention relates to physics and can be used: for reagentless treatment of recycled industrial water (IW) from saponite-containing particles and reagentless sealing of saponite-containing precipitate; for reagentless treatment of waste IW of suspended substances in sumps and in surface filtration fields. Method consists in using at least one of depositing map bounded at all sides with waterproof dams: external, internal and two side ones, part of tailing pond with bottom inclined towards water intake, forming, amplification and emitting of travelling hydroacoustic waves in audible and ultrasonic frequency bands with amplitude of acoustic pressure no less than 102 Pa at distance of 1 m from corresponding hydroacoustic emitter, impact on industrial water with travelling hydroacoustic waves in audible and ultrasonic frequency bands in area of industrial water discharge and in central part – on path of industrial water moving to area of water intake, hydroacoustic coagulation of saponite-containing particles in area of industrial water discharge and in central part, hydroacoustic degassing of industrial water in central part and in area of industrial water discharge on depositing map, sealing of saponite-containing sediment in area of industrial water discharge and in central part, hydroacoustic sealing of bodies of all waterproof dams. Cleaning is performed in moving flow of industrial water. Emitting of travelling hydroacoustic waves in audible and ultrasonic frequency bands is carried out in pulsed and continuous mode. Additionally in area of industrial water discharge and in central part of depositing map hydroacoustic deposition of source and previously acoustically coagulated saponite-containing particles is performed by directed downward emitting of travelling hydroacoustic waves in audible and ultrasonic frequency bands. In area of industrial water discharge on depositing map hydraulic deposition of saponite-containing particles moving in industrial water flow at bottom of upper part of depositing map is performed by means of their physical engagement with saponite-containing already located at bottom. Method additionally uses sump with its inputs connected to outputs of all depositing maps, and output of which is connected to input of concentration plant.EFFECT: fast and high-quality division of two phases – liquid and solid ones, high quality of enrichment, reduced wear of equipment using simple method with minimum financial and time costs to provide medical human safety and environmental safety of natural medium as whole.1 cl, 7 dwg
obile water treatment plant // 2606991
FIELD: water treatment.SUBSTANCE: invention relates to water treatment and, in particular, to process equipment, enabling to obtain drinking water, extracted from natural sources, containing all types of contaminations seen in surface and underground (artesian) water and falling in said sources as a result of natural and manmade disasters. Mobile water treatment plant comprises installed in sequence and communicated with each other via pipelines working equipment, including centrifugal multi-stage pump, mechanical water cleaning unit, unit of ultrafiltration apparatus, filter for adsorption purification of water, filtrate tank and ultraviolet disinfection unit, wherein mechanical water cleaning unit is equipped with feedback with unit of ultrafiltration apparatus and for continuous operation is provided with two parallel mechanical purification filters, and for cleaning of ceramic membranes of unit of ultrafiltration apparatus filtrate tank unit feedback with additional centrifugal multi-stage pump is communicated with filtrate output of unit of ultrafiltration apparatus, wherein pipeline for communication of filter for adsorption purification with filtrate tank is connected a flow meter, and ultraviolet disinfection unit is equipped with a quartz lamp.EFFECT: higher efficiency of water treatment.1 cl, 1 dwg
Device for adsorption-biological treatment of waste water of industrial facilities // 2606989
FIELD: technological processes; ecology.SUBSTANCE: invention relates to biological treatment of waste water and can be used at treatment facilities of industrial facilities. Device for adsorption-biological treatment of waste water of industrial plants contains technologically connected waste water supply line 12, air-tank-mixer 1, secondary settling tank 2, excessive active sludge bin 3 with sediment discharge line 13 to sludge tank, chamber for diluting of waste water 4 with purified water discharge line 14. Excessive active sludge bin is connected to air-tank-mixer, which in its turn is connected to compressed air supply line 10, secondary settling tank is connected to chamber for diluting of waste water. Device is equipped with unit of drying and grinding of carbonate sludge, consisting connected in series carbonate sludge supply line 15, receiving stationary bin 5, tape dryer 6, connected to hot air supply line 11, disintegrator 7, reserve bin 8, automatic doser-spreader 9, which is connected to air-tank-mixer, wherein automatic doser-spreader is made with possibility of fan-shaped surface introduction of carbonate sludge into air-tank-mixer, wherein air-tank-mixer is made with possibility of adsorption-biological treatment of waste water by means of carbonate sludge, secondary settling tank is made with possibility of joint settling of active sludge and carbonate sludge, and excessive active sludge bin is configured to receive and store carbonate sludge.EFFECT: technical result is reduced power consumption.1 cl, 1 dwg
ethod of purifying waste water // 2606988
FIELD: technological processes.SUBSTANCE: invention can be used in treatment of well water, oil-water mixture, waste water, as well as liquid industrial and sewage effluent. Proposed method comprises multistage mechanical processing in flow-type container with coarse filtration in a settling tank, treatment with a magnetic field and finish filtration on fine filters. After mechanical treatment and before coarse filtration, liquid stream is further treated with an oxidant in form of ozone and hydroxyl radicals. Directly at stage of final filtration UV-treatment of stream is performed.EFFECT: use of method enables complex treatment of waste water with any types of contaminants without additional reagents and operations to parameters of pure drinking water or water for fish industry.1 cl, 1 ex
Fluid cleaning system // 2606986
FIELD: wastewater treatment plants.SUBSTANCE: invention relates to fluid purification systems, preferably water, used in domestic and/or potable water supply in household and/or industrial conditions, on suburban and garden plots. Fluid purification system comprises initial fluid source, purified fluid supply line to consumer, liquid purification unit, including liquid-liquid type container, consisting of housing and device, forming cleaned fluid collection chamber and displacement cavity, located inside housing, at least one liquid cleaning device, drain line and fluid flows control system, including initial fluid supply unit and purified liquid supply unit. In liquid cleaning unit fluid flows control system is made with initial fluid distribution unit with possibility to maintain fluid pressure in displacement cavity, preferably, for initial liquid container higher, than atmospheric pressure. Initial fluid distribution unit is made according to fluid motion counter-flow scheme and comprises initial fluid re-circulation line, connected at one end to displacement cavity for container initial fluid and at other end is with initial fluid source and initial fluid supply unit. Either initial fluid distribution unit is made according to two-track scheme in form of initial fluid inflow line into displacement cavity for container initial liquid, at inlet connected to initial liquid source, and at outlet is with displacement cavity for initial liquid container, and initial fluid displacement line from container displacement cavity, connected at inlet to container displacement cavity and at outlet is with initial fluid supply unit.EFFECT: technical result is improving fluid cleaning system reliability and simplifying its design while improving its operating properties, including provision of cleaned liquid supply to consumer at any moment of fluid treatment process and after its completion.24 cl, 7 dwg
Hardness salts radio-frequency converter with pipeline temperature control // 2606926
FIELD: heat-and-power engineering.SUBSTANCE: invention relates to heat-and-power engineering and intended for protection against hardness salts (scale) deposits at inner surfaces of pipelines, central heating systems, water heating and heating equipment (boilers, heater boilers, radiators, heat exchangers, etc.), washing and dishwashing machines, refrigerating equipment, etc. Disclosed is hardness salts radio-frequency converter, having housing, accommodating generator of swept frequency of non-sinusoidal electromagnetic oscillations, to anti-phased outputs of which emitting wires are connected, wound on pipeline in mutually opposite direction. Hardness salts radio-frequency converter contains located in housing with possibility of pipeline temperature measuring thermometer with temperature display indicator, temperature sensor, connected to housing, thermometer and pipeline. At that, on pipeline can be located ties, made of non-conducting material with possibility of emitting wires fixing on pipeline.EFFECT: technical result is increasing in operation reliability and providing temperature conditions continuous monitoring.1 cl, 1 dwg
Water treatment method // 2606779
FIELD: technological processes.SUBSTANCE: invention relates to water treatment and can be used in agriculture, in housing and communal services and in industry. Water treatment method involves filtration of water through charge with ion-exchange properties, charge regeneration and washing with upward flow of regenerate and prepared water in from bottom to top direction and charge sedimentation. Filtration is carried out using filtering system containing, at least, two successively installed filters of first 2 and second 9 stages. Filtration in first stage 2 filter is carried out in from bottom to top direction, and in second 9 stage filter is in from top to bottom direction. Charge filtration and regeneration is performed with formation of fluidized bed 7, 11 in first 2 and second 9 stages filters. Charge in first stage 2 filter is modified glauconite, and in second 9 stage filter is composition of two or more components arranged in layers. Lower layer is presented by modified glauconite. Every next layer granules densities ratio to previous layer is not less than 1.3. Amount of modified glauconite is not less than 40 % of composition total amount. Charge height in first and second stages filters ratio to filters height is 0.40–0.55:1.00.EFFECT: invention allows to saturate water with macro- and microelements, perform water softening and deferrization, increase purification degree from impurities, as well as increase water treatment process reliability and environmental safety.3 cl, 2 dwg, 1 tbl
ethod of processing and recycling of waste waters formed from production of polyvinyl chloride // 2606610
FIELD: recycling.SUBSTANCE: invention relates to a method of processing and recycling of waste waters formed from production of polyvinyl chloride. Method of processing and recycling of waste waters formed from production of polyvinyl chloride includes the step of polymerizing at least one monomer containing vinyl chloride in an aqueous medium, then the unreacted monomer and the obtained polymer are separated from each other; herewith said method includes the steps of: evaporating at least one part of the above said waste waters in order to obtain purified, evaporated waste waters; condensing the purified, evaporated waste waters to obtain purified, condensed waste waters; repeatedly using the purified, condensed waste waters.EFFECT: invention provides processing and recycling of waste waters formed from production of polyvinyl chloride at considerable reduction of pure water consumption required for production without excessive energy consumption.15 cl, 1 dwg
ethod and system for water treatment used for industrial purposes // 2606599
FIELD: water supply.SUBSTANCE: invention relates to a method and a system for water treatment intended for use in industrial processes at low costs. Water treatment system includes: a water supply line, a container including a means for receiving sediments, which is attached to the bottom of the said container, a matching device, which periodically activates operations required to control the water parameters within the range determined by the operator or the matching device, a means for introduction of chemical substances, which is activated by the said matching device, a movable suction device, which moves along the bottom of the said container sucking the water flow containing sediments, a driving means, which transfers movement to the movable suction device for it to move along the bottom of the container, a filtering device, which provides filtration of the water flow containing sediments, a manifold line connecting the movable suction device and the filtering device, a return line from the said filtering device to the container, and a water discharge line from the said container to the process downstream.EFFECT: technical result is the increase of quality of water treatment.7 cl, 2 dwg, 3 tbl
Reactor for biological treatment of waste water and method // 2606435
FIELD: ecology.SUBSTANCE: invention relates to biological treatment of effluents, particularly, municipal waste water, industrial waste water, as well as process water and water from a water distributing system, which is necessary to be made drinking water. Method for biological treatment means that water to be purified and oxygen-containing gas are directed in the upward unidirectional flow mode into the same reactor containing as a biological filtering material a dense filtering bed and a volume of movable hollow carriers having a protected surface area serving for the increase of a biological film. Reactor for biological treatment includes a chamber for swelling out and removal of sludge, a gas supply system, a liquid supply system, a biological filter comprising the dense filtering bed of particles retained by a perforated retaining upper wall in the lower part of the above said reactor from moving upwards and a volume of movable particles contained inside the said chamber for swelling out and removal of sludge. Movable particles have higher density than that of the filtering bed particles. Method of purifying additionally involves the stages of performing periodic backwash.EFFECT: invention provides higher efficiency.14 cl, 6 dwg, 2 tbl
Biocidal compositions and methods of use // 2606278
FIELD: biotechnology.SUBSTANCE: invention relates to biocides. Composition for microorganisms controlling includes: hydroxymethyl-substituted phosphorus-containing compound-tetrakis(hydroxymethyl)phosphonium salt, and isothiazolinone compound, selected from 1,2-benzisothiazolin-3-one and 2-methyl-1,2-benzisothiazolin-3-one.EFFECT: higher efficiency of microorganisms controlling.10 cl, 3 tbl, 3 ex
ethod for treating waste stream using bioreactor and membrane filter // 2606013
FIELD: biochemistry.SUBSTANCE: group of inventions relates to biochemistry. Disclosed is a method for treating an aqueous waste stream (versions) and a device for implementing method. Method comprises feeding aqueous waste stream with a biomass into a bioreactor, reacting biodegradable organic substance with biomass to form methane, extracting a first flow of fluid from bioreactor and using same for filtration to form a filtrate stream and a concentrate stream, returning concentrate stream to bioreactor, extracting second flow of fluid and feeding into sludge treatment unit, in sludge treatment unit second fluid flow after adding a flocculant or a coagulant is divided into a third flow with higher content of organic substance than second flow, and a fourth flow with lower content of organic substance than second flow. In one version fourth flow is used for feeding into a membrane filtration unit, and in another version, fourth flow is fed into bioreactor. Device includes a bioreactor, sludge treatment unit, membrane filtration unit, coagulation/flocculation apparatus, located between bioreactor and sludge treatment unit.EFFECT: reduced power consumption, operating costs of device, higher output, efficiency, reduced clogging of membrane, longer service life of membrane and increased flow through it.18 cl, 3 dwg, 2 tbl, 2 ex
ethod for oil sludge decontamination // 2605990
FIELD: oil industry.SUBSTANCE: invention relates to environmental technologies and can be used for decontamination of oil-contaminated wastes of various phase composition, for example oil sludges. Method for decontamination of oil sludge includes loading oil sludge into a vessel, introduction of decontaminating component, stirring the mixture to a homogeneous mass. Decontaminating component used is crushed and fused at temperature of 90–118 °C thermoplastic polymer wastes: low-pressure polyethylene and high-pressure polyethylene. Mixing is carried out at ratio of components in wt%: low-pressure polyethylene – 30; high-pressure polyethylene-10; oil sludge – 60.EFFECT: technical result is improvement of oil sludge decontamination, use of cheaper decontaminating component, which is not harmful to environment. 1 cl, 2 ex
Surface run-off cleaning plant // 2605983
FIELD: wastewater treatment plants.SUBSTANCE: invention relates to surface run-off cleaning plant on treatment facilities of storm sewer. Proposed plant comprises a primary cleaning unit consisting of at least two unified, independently operating sections 1, and a unit for deep afterpurification. Each section 1 comprises multifunctional dirt-holding filter – geofabric tube (hereinafter geotube) 2, arranged in reservoir 3 appropriate thereto. Large-sized geotube 2 of closed shell mold is intended to provide cleaning of the waste water 11 coming into by filtration, accumulation inside of sediment 12 and dehydration of accumulated sediment 12 by consolidation and natural drying. Reservoir 3 is provided for reception of purified water 13 from geotube 2 and operation of geotube 2 at first in cleaning mode in flooded, semi-flooded or non-flooded operation condition with full or partial free-flow discharge of purified water 13 appropriate for operation condition, and then operation of geotube 2 in the mode of dehydration with free-flow or forced complete discharge of water 13 from sediment 12. Geotube 2 is communicated with pipeline 4 of free-flow supply to it of waste water 11. Reservoir 3 is communicated with pipeline 6 of discharge of purified water 13 from it and is equipped with a pump, drainage substrate 9 and overfall 8, designed to provide the specified level of water 13 in reservoir 3.EFFECT: invention ensures to simplify design and operation of the plant, increase efficiency of primary purification of run-off, reduce capital and operating costs.6 cl, 5 dwg

Device for contactless liquid activation // 2605927
FIELD: technological processes.SUBSTANCE: invention relates to devices for activation of liquids, particularly aqueous solutions, and can be used to treat drinking water and mineralised water, physiological, medical solutions, as well as blood. Device for contactless activation of a liquid poured into a container comprises metal tube 1 accommodating insulated wire 4, non-insulated end of which is rigidly fixed on end of tube, at the other end of which is fixed non-insulated end of second insulated wire 5. Tube 1 itself and terminals of insulated wires 4 and 5 are coated with electrically insulating material, neutral to action of activated liquid. Second non-insulated ends of insulated wires 4 and 5 during activation time are connected to a DC source.EFFECT: simplified design, higher efficiency and broader operating capabilities of device.1 cl, 1 dwg, 1 tbl

ethod and system of irrigated farming in humid zone // 2605759
FIELD: agriculture.SUBSTANCE: system of bio-intensive irrigated farming includes stationary beds, trenches in the middle of beds, filled with plant residues, irrigation furrows, system with portable pipelines for watering along harrows, fog-forming installations with magnetized and electrified water generator, which irrigation sections are restricted with wind-protective shields. At system input there is water tank with effective microorganisms or biological stimulant. Under irrigation furrows irrigation trenches are made filled with pebbles, gravel, sand, limestone (chalk), tuff, their lower part is shielded by melioration film with partitions. In trenches arranged in the middle of beds, residues of trees are laid, from above on them is plant residues layer with manure, and on this layer is compost layer. On beds surface there is a compost layer, mixed with sawdust and rotten straw, strewed from above with sand layer. At plot edges trees are planted. Sections watered by swing-fog machine are limited by scenes of tall agricultural plants.EFFECT: technical result is increase in productivity.2 cl, 2 dwg

ethod of biological filter charge material producing with immobilization properties // 2605714
FIELD: wastewater treatment plants.SUBSTANCE: invention relates to waste water biological treatment, in particular to biological filters charge material production. Described is biological filter charge material with immobilization properties production method, including production of charge material from polymer substances, which contain organic additives, wherein in polymer material as organic additive vegetable oil-refining waste, micro-cellulose is used, containing a plasticizing components, such as waxes, and volatile organic impurities, facilitating pores formation with production of material with density of 0.6÷0.8 g/cm3 and porosity from 50 to 150 cells/cm2, and biogenic substances, such as triacylglycerides, styroles, carotenoids, promoting microflora immobilization on charge, charge is prepared at following components ratio, wt%: polyolefin - stretch-polyethylene - 60÷80, waste micro-cellulose - 20÷40, stretch-polyethylene granules are mixed with waste micro-cellulose, produced mixture is extruded at temperature of 170÷180 °C in twin-screw extruder with granulating device with production of granules with diameter of 2÷20 mm and length of 3÷100 mm.EFFECT: technical result is increase in waste water biological treatment efficiency.1 cl, 1 tbl, 1 ex

Bioreactor for cleaning of aquatic medium // 2605708
FIELD: ecology.SUBSTANCE: invention relates to environmental protection and can be used for cleaning of natural and after purification of storm and sewage waters. Bioreactor for cleaning aquatic medium consists of body 1, equipped with windows for air leak 2 with aerating ducts 3, dome-shaped reflector 4 with device for air outlet 5, with pipelines of giving of the initial water medium for cleaning 6, offset for the purified water medium 7, collapsible distribution system 8, connected with a pipeline of offset of washing water 9. Inside the case 1 are located aeration zone 10, filtration zone 11 and settling zone 19 with modules of thin-layer settling 20. Aeration zone 10 consists of distributing chamber 12 with radially connected with it at least four tubes 13, equipped with jet-forming nozzles 14. Filtration zone 11 is equipped with layers of big-grained 17 and small-grained 18 floating loading. Case1 in upper part of the filtration zone 11 is equipped with at least two solenoids 21. Settling zone 19 is located around the lower part of the filtration zone 11. Ratio of diameters of the filtration zone 11 and settling zone 19 makes at least 1:3.EFFECT: invention allows to increase the degree of cleaning aquatic medium, reduce the volume of washing water and reduce operating costs.4 cl, 3 dwg

ethod of producing biodegradable scale inhibitor // 2605697
FIELD: chemistry.SUBSTANCE: invention relates to a method of producing biodegradable scale inhibitors and can be used for preventing deposits of salts in water circulation systems. Method for production of scale inhibitor by radical copolymerisation of acrylic acid and monoether of carboxylic acid in an aqueous medium while heating in presence of an initiator, method is characterised by that monoether of carboxylic acid used is 2-(N,N-dimethylamino)ethylmonofumarate, and copolymerisation of acrylic acid with 2-(N,N-dimethylamino)ethylmonofumarate takes place in molar ratio of 2-(N,N-dimethylamino)ethylmonofumarate to acrylic acid, ranging from 1.7 to 2.5 in aqueous solutions with weight ratio of monomers from 15 to 50 %. Disclosed is a version of method.EFFECT: higher efficiency of inhibitor by preventing process of sedimentation of partially soluble salts of alkali-earth metals, inhibitor has high biodegradability.2 cl, 2 tbl, 4 ex

Seawater desalination method // 2605559
FIELD: desalination plants.SUBSTANCE: invention relates to desalination of sea water by reverse osmosis and can be used to build desalination plants that provide, on a permanent basis, drinking water to local consumers in regions without central water supply. Method of sea water desalination includes pre-treatment of salt water by pumping it with the help of a low-pressure pump through a pre-filter, desalination of sea water on reverse osmosis membrane by pumping through it with the help of a high-pressure pump of salt water treated on a pre-filter. High- and low-pressure pumps are actuated by energy of sea high- and low tides, transformed into water hammer energy on water ram installations actuating high- and low-pressure diaphragm pumps being an integral part of water ram installations. Water ram installations are placed at an angle of 180 degrees to each other in the body of the dam blocking a sea bay or gulf in order to create differential pressure of seawater during high- and low tides necessary for operation of the water ram installations. Diaphragm pumps are placed on a hard rod power transmission hydraulic shock from one pump to another. Diaphragms of low-pressure pumps are of a bigger diameter than the diaphragms of high-pressure pumps, and are made in the shape of movable in radial direction integral parts of pressure pipelines of water ram installations. At the output of diaphragm pumps connected by common rigid rod, there are installed pneumohydraulic batteries for smoothing of pressure ripples caused by uneven operation of ram water installations. Purification of pre-filters and reverse osmosis membranes from dirt accumulated over time is effected by supplying in pulse mode of seawater pulsed from diaphragm pumps to filters and membranes when pneumohydraulic batteries are disconnected.EFFECT: technical result consists in the increase of the method energy efficiency way, reduction of the final product (fresh water) cost at the expense of use of the energy of sea tides to drive the pumps.1 cl, 1 dwg

Detachable cap to save and improve tap water // 2605354
FIELD: water supply.SUBSTANCE: detachable cap to save and improve tap water relates to domestic-drinking water supply, in particular, to tap water saving and improvement devices at operation of water draw-off valves. To standard gooseneck with or without thread screwed-in or connected device, having housing, inside which moving rod with rubber disc is arranged, on which surface rectangular metal plate with two rounded ends is attached, intended for rod with rubber disc fixation for retaining flanges to ensure continuous water supply. For this purpose, rod is lifted and rotated at 90°, wherein water continuously flows through device, and then after completion of this operation is returned to initial point in reverse order. To retaining flanges magnetic disc with corresponding hole is applied for tap water improvement. In device lower part twisting cap with holes is provided for uniform supply of water in form of shower. Detachable cap is easy in operation and allows to save tap water at its batch-wise use of not less than 50-70 %, which is very important in case of fresh water shortage.EFFECT: simultaneously, water quality indices are improved.1 cl, 2 dwg

ethod of purifying waste water from ammonium and organic substance // 2605325
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology. Disclosed is a method of purifying waste water from ammonium and organic substances in microaerobic conditions in reactor of serial-periodic action of complete mixing. For this purpose, biomass of active sludge containing dominant bacteria Candidatus "Jettenia moscovienalis" in amount of at least 80 % of total number of bacteria clones, wherein process is carried out at temperature 35±3 °C, concentration of dissolved oxygen 0.26-1.4 mg/l, pH 7.5-8.3, dose of sludge 2-6 g/l, age of sludge 4-6 days, nitrogen load - 620-1,000 g N/m3·day, hydraulic dwell time of 8.5-24 h.EFFECT: invention provides high efficiency of cleaning waste water with high specific nitrogen load.6 cl, 6 dwg, 7 tbl, 8 ex

ethod and device for producing biologically active drinking water with low content of deuterium // 2605123
FIELD: technological processes.SUBSTANCE: invention relates to a method of producing drinking water with low content of deuterium and a device for its implementation. Method includes cooling drinking water by adding granules of solid carbon dioxide with the water to carbon dioxide ratio of 1:10, mixing for 15-20 minutes with the mixer rotation speed of 45-50 rpm, water treatment with low-frequency electromagnetic field within the range of 18-48 Hz in the process of mixing, filtration through a metal-ceramic biofilter to produce the liquid and the solid phases, collection of the liquid phase deuterium-impoverished, heating and utilization of the solid phase.EFFECT: invention provides efficient production of drinking water with low content of deuterium.1 cl, 1 dwg

Electrolytic cell with fixed electrodes for electrochemical purification of waste water and obtaining several inorganic peroxide compounds // 2605084
FIELD: chemistry.SUBSTANCE: invention relates to electrolytic cell with fixed electrodes for electrochemical purification of waste water and obtaining several inorganic peroxide compounds, comprising coaxially installed cylindrical cathode and anode, separated by an ion-selective membrane. Anode is made of glass carbon grade SU-2000, cathode is made of nickel, wherein inside cathode there is process unit of a Ni gauze + coal-graphite fibre material-catalyst/sorbent, cathode is connected with bottom and cover, to form housing of electrolytic cell, at bottom of cathode space there are cermet dispersing elements.EFFECT: technical task of present invention is designing a universal electrolytic cell, making it possible to reduce energy consumption, material consumption and operating costs, as well as with high efficiency of not only purifying waste water with a wide range of contaminants, but obtain multiple inorganic peroxide compounds as well.5 cl, 1 dwg, 2 ex

ethod of cleaning freshwater ecosystems from oil and oil products at high latitudes // 2604788
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology. Method of cleaning freshwater ecosystems from oil and oil products is proposed. Method comprises contacting oil hydrocarbons to be decomposed with a biopreparation, consisting of a mixture of oil-oxidising Microbacterium species VKM Ac-2614D, Pseudomonas migulae BKM B-2761D, Rhodococcus erythropolis VKM Ac-2612D, Rhodococcus erythropolis VKM Ac-2611D strains, taken in ratio of 1:1: 1:1. Cell titre in the ready preparation is, at least, 1010 cells per 1 g.EFFECT: method provides high rate of biodegradation of oil in aqueous media in temperature range from 0 to +25 °C, including ice conditions.5 cl, 4 dwg, 7 tbl, 6 ex

Improving drainage of aqueous compounds // 2604589
FIELD: chemistry.SUBSTANCE: in a process for separating a solid material from a suspension of solid material in water, an organopolysiloxane polyalkylene oxide copolymer, comprising a branched organopolysiloxane structure, is added to suspension of solid material in water and suspension is drained.EFFECT: organopolysiloxane polyalkylene oxide copolymer comprising a branched organopolysiloxane structure increases rate of drainage of suspension.21 cl, 1 dwg, 1 tbl, 6 ex

Food waste treatment device // 2604507
FIELD: food industry.SUBSTANCE: invention relates to a food waste treatment device. Device comprises a housing configured to form a space for dehydration and drying of food wastes. Housing has an inlet hole for introduction of food wastes and an outlet hole for unloading food wastes subjected to dehydration and drying, cylindrical dehydrator for removal of water contained in food wastes by centrifugal force inside the housing. Dehydrator has an connecting hole for connection to the inlet or outlet hole by its rotation. In the dehydrator there is a mixer which rotates simultaneously or independently of the dehydrator rotation. Mixer is used for selective opening or closing the connecting hole and for mixing and grinding food wastes inside the dehydrator by means of its rotation. Device also has a dryer for drying food wastes by supplying dry air into the housing.EFFECT: invention provides quality treatment of food wastes.19 cl, 27 dwg

ethod of dissolving and/or inhibiting deposition of scale on surface of system // 2604366
FIELD: chemistry.SUBSTANCE: invention can be used to dissolve and/or inhibit deposition of scale on a surface of a system by bringing surface of system into contact with a composition. Composition contains: A) from about 3 to about 15 parts by weight of a chelating component selected from a group consisting of methylglycine-N-N-diacetic acid, nitrilotriacetic acid, hydroxyethylethylenediaminetriacetic acid, N,N-bis(carboxymethyl)-L-glutamate, ethylenediaminetetraacetic acid,diethylenetriaminepentaacetic acid and/or an alkali salt thereof, and mixtures thereof; B) from about 3 to about 15 parts by weight of an acidic component different from chelating component and C) at least about 60 parts by weight of water; wherein parts by weight are based on 100 parts by weight of composition. Scale includes iron phosphate, potassium fluosilicate, potassium fluoride and potassium hexafluorosilicate. Composition can additionally contain a surfactant and/or corrosion inhibitor.EFFECT: compositions provide improved method of removing or preventing scaling and are environmentally safe.24 cl, 13 tbl

Water receiving-cleaning device // 2604307
FIELD: technological processes; hydraulic engineering.SUBSTANCE: invention relates to hydraulic engineering, specifically to devices providing mechanical and chemical water treatment. Water receiving-cleaning device comprises a cylindrical housing divided by perforated partitions into filtration sections, charge, perforated pipe. Cover is installed on top of sections. Charging baskets are made of geosynthetic material and have perforated walls which form filtration sections, in one of which there is charge coated with a chemical disinfectant teotropin - tetraazatricyclododecane in amount of 1-10 mmol per 1 g charge for disinfecting water. Charge is a granular ingredient selected from: foamed polystyrene, rubber crumb or mixture thereof. In middle part of device there is a vertical perforated tube throughout length of device for collecting purified and disinfected water, from where water via a gravity pipeline is supplied to consumer.EFFECT: technical result of disclosed invention is higher quality of cleaning, enabling to perform both mechanical and chemical water treatment.1 cl, 2 dwg

Apparatus for producing electrically activated water // 2604211
FIELD: technological processes.SUBSTANCE: invention relates to electrochemical treatment of water in order to control its acid-base and reductive-oxidative properties for use in medicine, industry, microelectronics, laser technology and agriculture. Apparatus for producing electrically activated water solutions comprises positive and negative charge electrodes arranged coaxially, and a semipermeable slit between them, outer electrode acting as a case has a hollow cylinder shape provided with threaded tips arranged in threaded grooves of supply and discharge pipelines. Electrode arranged inside consists of a rod with outer surface of a multiple-thread helical groove of left-sided direction, semipermeable slit is separated from the outer electrode by lengthwise ribs to form the space between the semipermeable slit and outer electrode, this space is connected to the supply pipeline and is closed for the discharge pipeline. Rod of the inner electrode in the upper part has permanent connection with a cross piece welded to the contact washer and having an electric contact with a terminal, fixed by means of thread in the supply pipeline. Apparatus is equipped with potential switch to change the fed potential to the external terminal, fixed on the outer surface, and to the internal terminal.EFFECT: increased time of contact of water with electrodes, higher efficiency ratio of the apparatus.1 cl, 2 dwg

Device for sea water desalting and method of using of solar energy for continuous supply of heat // 2603799
FIELD: hydraulic engineering.SUBSTANCE: invention relates to a device and a method for sea water desalting using solar energy for continuous supply of heat and to scope of sea water desalting (including desalting of internal brackish water). Invention can also be used in treatment of waste water. Device comprises a system of treatment of sea water and sea water desalting system, where sea water treatment system consists of a well for extraction of sea water, reservoir for sterilizing treatment of sea water multistage ultra filter and tank for purified sea water; and sea water desalting system consists of a device for concentration of solar energy and heat collection, storage tank of heat solar energy, heater of purified sea water and multistage instant evaporator of sea water. Device for concentration of solar energy and heat accumulation accumulates thermal energy of sun light by means of heat-conducting working medium in the afternoon, saves thermal energy of sun light in the tank for storage of heat solar energy and then heat purified sea water by means of heat-conducting working medium to a certain temperature; hot sea water is directed to multi-step instant evaporator of sea water, and sprayed and evaporated stage by stage, and fresh water and brine are separated. Also disclosed is a method of sea water desalting using solar energy for continuous supply of heat.EFFECT: device for sea water desalting using solar energy for continuous heat feed, can effectively collect relatively dissipated solar energy to heat and evaporate seawater, quality of fresh water reaches the drinking water standards, and solar energy is stored, enabling continuous operation of obtaining fresh water.10 cl, 2 dwg

System and method for efficient decontamination of microbiological objects in recycled water // 2603391
FIELD: manufacturing technology.SUBSTANCE: system includes receiver (1) and three rotary disc apparatus RDA (2, 4, 6), connected in series. Each RDA (2, 4, 6) consists of a cylindrical housing with inlet and outlet covers, inside of which there is a shaft with two discs. Between discs and housing there is a gap with width of 0.2 mm. At inlet and outlet covers of housing of RDA there are pipelines (14). On housing of each RDA (2, 4, 6) in area between two rotating discs there is a hole for mounting UV-lamp holder (12). Housing and discs of first RDA are made from steel, second RDA - brass, third RDA - brass with silver coating with thickness of 40 mcm. Shaft of each RDA is connected to shaft of separate electric motor (3, 5, 7). Disinfection method includes successively feeding liquid from receiver (1) through cascade of RDA (2, 4, 6) to output of third RDA (6) to accumulator (8) and draining purified liquid into reservoir (13). Irradiation of liquid with UV lamp is carried out in area of inter-disc space in housing of each RDA. Inventions provide versatility and high degree of cleaning aquatic media from contamination, reagentless disinfection to indicators corresponding to standards on drinking water, and reduces corrosion of pipelines.EFFECT: group of inventions can be used for treatment and disinfection of natural, recycled and waste water to drinking water standard.2 cl, 2 dwg, 5 tbl

ethod for electric cleaning and decontamination of contaminated liquids // 2603372
FIELD: treatment.SUBSTANCE: invention relates to physical and chemical agents for cleaning and decontamination of contaminated liquid media. Method for electric cleaning and decontamination of contaminated liquids includes electric absorption of contaminants by passing liquid through ferroelectric ceramic filtering granular material 1, placed in sign-constant electric field, and subsequent desorption of filtering material. Granular material used is barium titanate with grain size of 0.1-3.0 mm with non-uniform surface, coated with a copolymer of styrene and divinylbenzene having permittivity comparable with permittivity of filtering material, wherein electric field is switched off during desorption of filtering material.EFFECT: technical result is higher electrosorption capacity of granular filter material.1 cl, 3 dwg

Acidophile strain desulfosporosinus sp._ for contaminated ecosystems with extremely acidic values cleaning of heavy metal ions // 2603277
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology and can be used to purify industrial waste water from mining, machine building, instrument making industry, electroplating facilities, as well as for cleaning mine, quarry, drainage water from heavy metals ions. Strain of Desulfosporosinus sp. bacteria, resistant to high concentrations of heavy metals ions, is deposited in Russian National Collection of Microorganisms of Microbial Biochemistry And Physiology Institute (IBFM RAS) under registration number VKM B-3021 D.EFFECT: invention increases degree of waste water purification, having extremely acidic pH values (< 3).1 cl, 2 tbl, 4 ex

ethod for detoxification of white phosphorus using microorganism strain trichoderma asperellum vkpm f-1087 // 2603259
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology, specifically to a method for detoxification of white phosphorus in contaminated soil. Decontamination is performed by treatment of white phosphorus-contaminated soil with a strain of Trichoderma asperellum VKPM F-1087. Method enables detoxification of soil containing white phosphorus in concentration up to 1.0 wt%, exceeding the maximum allowable concentration 5,000 times.EFFECT: method enables detoxification of soil.1 cl, 1 dwg
Strain of bacteria desulfovibrio species vk-9 for purification of acidic wastewater from heavy metal ions // 2603249
FIELD: microbiology.SUBSTANCE: invention relates to industrial microbiology. Bacterial strain Desulfovibrio sp. VK-9 has high resistance to high concentrations of copper ions (up to 125 mg/l), nickel ions (up to 250 mg/l), cobalt ions (up to 350 mg/l) and cadmium ions (up to 60 mg/l) and can be used for purification of acidic wastewater from machine building, instrument-making, electrical, mining enterprises, electroplating industries, as well as for acidic mine water purification from high concentrations of copper ions and other heavy metals. Strain Desulfovibrio sp., is deposited in Russian National Collection of microorganisms of Institute of biochemistry and physiology of microorganisms RAS IBFM under registration number VKM V-3000D.EFFECT: invention allows to increase degree of wastewater purification from heavy metal ions.1 cl, 2 tbl, 4 ex

ethod of purifying water from oxalic acid // 2603151
FIELD: technological processes; ecology.SUBSTANCE: invention relates to methods of purifying water from oxalic acid by means of its complete oxidation with formation of carbon dioxide and water (mineralization), can be used for water treatment and/or cleaning effluents of different productions and is aimed at protection of the environment and human health. Method of purifying water from oxalic acid in presence of a catalyst containing activated carbon including supply of an ozone-oxygen mixture into a suspension and extraction of spent catalyst, the catalyst used is activated carbon with the grain size of 40-100 mcm with included in pores magnetite Fe3O4 in the amount of 20-30 wt%, herewith the supply of ozone-oxygen mixture with the ozone concentration of 9-11 mg/l at the said catalyst concentration of 0.6-1.2 g/l is carried out in the mode of bubbling, and extraction of the spent catalyst is performed by magnetic separation. Catalyst is obtained by suspending the activated carbon in presence of hydroxides of iron (II, III) at heating, creation of an alkaline medium and separation of solid phase.EFFECT: technical result is accelerating and cheapening the process of purifying water from oxalic acid due to increased weight activity of the catalyst, reduction of specific consumption of ozone and exclusion of mechanical stirring the suspension.1 cl, 3 tbl, 2 ex

ethod of recycling oily wastes // 2603150
FIELD: environmental protection.SUBSTANCE: invention relates to environmental protection, particularly, to processes of recycling oily wastes and recycled filtering and absorbing waste mass, and can be used in oil and gas industry and waste treatment facilities. Preliminarily heated oily wastes and fat-and-oil industry wastes are being stirred, while stirring unslaked lime is being added portionwise, water reacting with unslaked lime is being introduced, amount of water is being determined considering water in oily wastes. Recycled filtering and absorbing waste mass produced after repeated regeneration of diatomite filtering powder is used as fat-and-oil industry wastes, oily wastes are being mixed fat-and-oil industry wastes in ratio of 1:(0.1-0.3) by weight, unslaked lime is being added in amount of 62-91 wt% of the weight of waste mixture to produce a homogeneous hydrophobic loose fine powder, and oily wastes and fat-and-oil industry wastes are being stirred, preliminary heating to temperature of 80-85 °C.EFFECT: reduced leachability of contaminating materials from the oily waste recycling product using more effective available neutralizing components with modifier and adsorbent properties.1 cl, 1 tbl, 6 ex

Waste water surface cleaning system (versions) // 2603002
FIELD: ecology.SUBSTANCE: group of inventions relates to treatment of effluents. Proposed is a waste water treatment system (versions). In one version the system comprises serially arranged linear rows of woody plants-bioaccumulators, arranged between them rows of sorption-filtration modules with a sorption load of natural sorbents. Said rows are isolated from the lower soil layers by a screening layer of clay with the filtration coefficient of Cf=0.005 m/day. Modules protrude over the surface of soil at the height of not less than 15 cm. End module is connected with a sealing gabion structure, which involves a weir for drainage to advanced treatment into the water body, wherein at the base of the structure Charophyta are planted. Sealing gabions structure consists of crushed stone with saturation of hot sand-bitumen mastic. In another version the system further includes in the first row of sorption-filtration modules a neutralizer filter. Neutralizer filter is composed as a gabion structure with a sorption load of sedimentary rocks with the filtration coefficient of Cf=10-20 m/day.EFFECT: inventions provide higher quality of cleaning waste water, including strongly acid ones, from heavy metals.2 cl, 2 dwg, 1 tbl

ethod for reduction of chromium(+6) in spent solutions // 2602862
FIELD: ecology.SUBSTANCE: invention relates to industrial ecology and can be used for neutralization or processing of liquid wastes of galvanic production. Method for reduction of chromium(+6) in spent solutions includes mixing spent solution, containing chromium(+6), with reagent-reducing agent and holding obtained reaction mixture during time, sufficient for conversion of chromium(+6) in chrome(+3). Used reducing agent used is triethanolamine, which is a component of liquid wastes from production of metal coatings or became unserviceable for operation due to partial oxidation.EFFECT: invention enables mutual neutralization of two types of toxic wastes, reduces expenses on environmental protection.9 cl, 1 dwg, 3 ex

ethod of purifying water from oil products by means of magnetic fluid and device for its implementation // 2602566
FIELD: ecology.SUBSTANCE: invention relates to methods of purifying water medium from oil products by providing magnetic properties for the oil products and can be used for waste water purification in all industries and in case of man-made disasters. Method of purifying water from oil products, consisting in coalescence of dispersed phase by passing a stream of water with oil products through a layer of oleophilic coalescing material followed by separation of oil products, coalescence of dispersed phase is carried out simultaneously with its magnetization. Magnetic fluid on related basis to the separated oil product is used as a coalescing material, as which kerosene or liquid derivative of oil production is used, covering with a layer the ferromagnetic material with developed surface, magnetized by external magnetic field. Separation of the magnetized oil product from ferromagnetic material is carried out in gradient magnetic field. Housing 1 of the device for water purification from oil products in cross section has a shape of symmetrical trapezium with smaller top base. End walls 8, bottom 9, housing cover 10 and horizontal partition 2 are made of nonmagnetic material, and side walls 11 are made of magnetic material and extend below the bottom of the housing, under which there are permanent magnets 12 adjoining by like poles to the side walls claws.EFFECT: technical result consists in increase of efficiency of water purification and improved quality of collected oil products.3 cl, 2 dwg

Device for contactless liquid activation // 2602525
FIELD: chemistry.SUBSTANCE: invention relates to devices for activation of liquids and can be used to treat drinking water and mineralised water, physiological, therapeutic solutions, as well as blood. Device for contactless activation of a liquid poured into a vessel is made in form of an extended housing 1 of electroconductive material, coated with electrically insulating material. Inside housing there is a longitudinal blind hole, inside which there is an electrical conductor 2, rigidly fixed in end part of blind hole with no contact with side surfaces of blind hole, wherein both conductor and extended housing on side of blind hole can be connected to a DC source.EFFECT: technical result is higher efficiency of treating liquid, obtaining liquid with given properties, as well as transition into thermodynamically nonequilibrium (activated) state, characterised by high physical and chemical activity, without change in chemical composition of activated liquid, simplified design, fewer parts.11 cl, 5 dwg, 1 tbl

Device for contactless liquid activation // 2602522
FIELD: chemistry.SUBSTANCE: invention relates to devices for activation of liquids and can be used to treat drinking water and mineralised, physiological, therapeutic solutions, as well as blood. Device for contactless activation of liquid comprises container 1 for contactless activation of liquid 2. In container 1 above bottom, but below level of activated liquid 2 through sealed inlets on side walls of container there is an insulated wire 3, connected during activation time to a DC source. Degree of activation - degree of change in redox potential and pH - is determined by current intensity and time of its action on activated liquid.EFFECT: technical result is simplification of design, higher efficiency and broader operational capabilities.1 cl, 1 dwg, 1 tbl

ethod for non-contact activation of liquid // 2602521
FIELD: chemistry.SUBSTANCE: invention relates to activation of liquids and can be used to treat drinking water and mineralised, physiological, therapeutic solutions, as well as blood. Liquid 2, for example water, is poured into container 1. Insulated wire 3 is lowered into liquid, preferably along line of maximum length. Then direct current is passed through wire, which provides non-contact activation of treated liquid.EFFECT: technical result is simplification, increased efficiency of treating liquid, broader functional capabilities, higher efficiency of electrochemical treatment of liquid, obtaining liquid with given properties, as well as transfer to thermodynamically nonequilibrium (activated) condition, characterised by high physical and chemical activity without changing chemical composition of activated liquid.1 cl, 1 dwg, 1 tbl

Electrolysis bath for acidic water and method of using acid water // 2602234
FIELD: chemistry.SUBSTANCE: invention relates to electrolysis bath for production of acidic water. Bath comprises housing 100, equipped with two filling chambers 110a and 110b, separated by one ion-exchange membrane 111, wherein each of filling chambers 110a and 110b is equipped with inlet holes 112a and 113a for water and outlet holes 112b and 113b for water, formed in chamber; first group of 200 electrodes, installed in filling chamber 110a; second group of 300 electrodes, installed next to ion-exchange membrane 111 in filling chamber 110b and having polarity opposite to first group of 200 electrodes; and third group of 300' electrodes with same polarity, as second group of 300 electrodes mounted in filling chamber 110b at specified distance from second group of electrodes 300. AT that, second group of 300 electrodes and third group 300' electrodes are connected to each other so, that power supply is simultaneously fed to second group of 300 electrodes and third group of 300' electrodes.EFFECT: use of disclosed device enables generating acid water with wide range of pH measurement and alkaline water with excess OH- without using catalyst.11 cl, 5 dwg, 5 ex

Ground device for feeding liquid systems, primarily paraffin deposit inhibitor into oil producing well // 2602136
FIELD: oil industry.SUBSTANCE: invention relates to oil production, in particular to devices for feeding liquid systems into a well. Ground device into oil producing well liquid systems, primarily paraffin deposit inhibitor, includes vessel 1, pipeline 2 for supply of inhibitor into well 9 and magnetic flow-type unit 3. Magnetic unit consists of coaxially arranged on pipeline and close to it ferromagnetic pipe 4, on top of which and with a gap of 100-300 mm from each other there are two permanent ring magnets 5, providing in said gap an axial component of magnetic field intensity with gradient from 1,000 to 2,000 Oe, and at weight ratio thereof of 1:(1.5-2.5) respectively, wherein outer poles of ring magnets are shunted. Pipeline is additionally equipped with ferromagnetic rings 7, installed at each end of magnetic unit tightly to ring magnets and rigidly connected with ferromagnetic screen 8, covering magnetic unit, wherein at least one ferromagnetic ring of pipeline is rigidly connected to vessel. One of ring magnets of ground device is composed of multiple ring magnets, installed tightly to each other. Device comprises at least two magnetic units.EFFECT: technical result is improvement of properties of pumped paraffin deposit inhibitors of various classes with various physical and chemical properties at different flow speeds thereof via said pipeline, even under conditions of fluctuation of flow speed.3 cl, 2 dwg, 1 tbl

ethod for monitoring and controlling chemistry of zld process in power plants // 2602131
FIELD: chemistry.SUBSTANCE: invention relates to methods of monitoring and controlling chemistry of a zero liquid discharge (ZLD) process and can be used in power plants. First fraction of liquid effluent from a waste treatment device, which come from flue gas treatment plant, is directed to an evaporation plant. Second fraction is fed into a storage tank. Method comprises periodically sampling liquid streams, circulating in outlet sections of waste treatment device, from softening device and inlet section into crystallisation/evaporation device and filling section from storage tank into flue gas treatment plant. Saturation coefficients are calculated for calcium sulphate and calcium carbonate for each section. Critical sections subject to precipitation of calcium sulphate or calcium carbonate are identified, having calculated saturation coefficients higher than a preset threshold. Dosage of reagents/additives into said crystallisation/evaporation plant and/or into waste treatment device is changed or ratio between flow rate of fractions of liquid effluent is changed so that saturation coefficients for calcium sulphate or calcium carbonate are kept less than or equal to 1 in time.EFFECT: invention provides control of water chemistry with variation of quality of flue gas desulphurisation.7 cl, 2 dwg, 2 tbl

ethod and device for water treatment // 2602110
FIELD: agriculture.SUBSTANCE: invention is related to water treatment and can be used in agriculture, production and in everyday life. In water (24) oxygen is blown by injector to electrolysis. Then oxygen is added to water by electrolysis at passage of electric current through the first node paired electrodes (22), made from carbon or inert metal. Water is subjected to action of silver ions obtained at the second unit of the coaxial silver electrode(s) (16) and copper ions are obtained at the third node coaxial copper electrode(s) (18), on which electric current is fed.EFFECT: invention increases efficiency of cleaning and disinfection of water, as well as performing safe treatment of water.16 cl, 3 dwg, 1 tbl
 
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