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

C   Chemistry; metallurgy(315514)
C02            Treatment of water, waste water, sewage, or sludge(13336)

Liquid purification method // 2628389
FIELD: chemistry.SUBSTANCE: liquid purification method consists in, at least, one automatically started liquid purifying cycle, during which the initial liquid is purified and the liquid purifying agent is rinsed with a liquid medium, followed by the renewal of the liquid purification. During this cycle, the initial liquid is supplied to the liquid purifying unit through the source liquid supply line, wherein the initial liquid is supplied to the liquid purifying agent through the pressure increasing means along the mixing line of the initial and drainage liquid. After the liquid purifying agent, the purified liquid enters the line of the purified liquid, and the drainage liquid is fed to the feed liquid in the recirculation line, and the resulting mixture enters the liquid purifying agent. After the predetermined time period, the liquid purifying process is interrupted for washing the liquid purifying agent with a liquid medium designed to remove contaminants generated on the inner surface of the liquid purifying agent. The liquid medium after the liquid purifying agent is discharged into the drain at high speed. During, at least, one liquid purifying cycle, prior to washing the liquid purifying agent with a liquid medium, the liquid purifying process is interrupted, at least, once for a short period of time sufficient to wash the liquid purifying agent with a mixture of drainage and initial liquid, at which the polarization layer of the contaminants is destroyed, formed on the inner surface of the liquid purifying agent, followed by the resumption of the liquid purifying process after each short washing of the liquid purifying agent. When washing the liquid purifying agent with a liquid medium, the duration of which exceeds the duration of, at least, one washing of the liquid purifying agent, at which the polarization layer of the contaminants is destroyed, a mixture of the initial and drainage liquid is used as a liquid medium.EFFECT: reducing the amount of the initial liquid used, reducing the amount of contaminants on the liquid purifying agent, prolonging the life of the liquid purifying agent.7 cl, 3 dwg

ethod for nonchemical cleaning of saponite-containing water and compaction of saponite-containing sediment // 2628383
FIELD: chemistry.SUBSTANCE: in order to carry out the method, the contaminated saponite-containing water from the source of its formation (1) through a pulp pump station (3) and pulp line (4) is discharged to the offshore part (I) of the tailing dump (9) along the entire inner perimeter. A number of floating acoustic modules with emitters (14) are installed in the peripheral part (II) of the tailing dump (9) adjacent on the inner part to the k (I) and hydroacoustic signals of the sound and ultrasonic frequency range are generated and emitted, and continuous emission of signals of low sound frequency range is generated. The hydroacoustic signals of the sound and ultrasonic frequency ranges are formed with an acoustic pressure amplitude of at least 102 Pa at a distance of 1m from the hydroacoustic radiator, they impact on saponite-containing water for degassing, hydroacoustic coagulation of saponite-containing slime particles, and compaction of the saponite-containing sediment. The formation, amplification and emission of continuous hydroacoustic signals of a low sound frequency range are carried out in the frequency range from tens of Hz to units of kHz, with an acoustic pressure amplitude of at least 103 Pa at a distance of 1m from the hydroacoustic radiator and impact on the saponite-containing sediment. During the freeze-up period, an acoustically compacted saponite-containing sediment is raised to the ice surface and laid on the ice in the non-working offshore part of the tailing dump. In the summer period, the saponite-containing sediment is thawed with separation into a finally compacted saponite-containing sediment and clarified saponite-containing water with its subsequent use in the technological process.EFFECT: method provides a quick and qualitative separation of the saponite-containing tails of the concentrating plant into two phases, the compaction of the obtained saponite-containing sediment and the body of the waterproof dam, the clarification of large volumes of saponite-containing water, and the increased environmental safety of the tailing dump operation.8 dwg, 1 ex

Complex for industrial discharges and sewage water treatment // 2628376
FIELD: chemistry.SUBSTANCE: complex includes a housing with a capacity of (1), a transport-dewatering unit (5), three-type modular water purification devices (2, 3, 4), water supply (19) and discharge (10) devices. The capacity (1) of a triangular or trapezoidal section has an angle of sides inclination of 43-48 and is docked with the hulls of transport-dewatering units - horizontal (7) and inclined (8). Inside the case, modular water purification devices (2, 3, 4) of the same type are installed in pairs, separated by transverse partitions (6). The receiving section (9) is separated from modular "blinds" (2) devices by a partition (6) from the top to 2/3 of module height. Modular devices of thin-layer clarifiers (3) and modular devices for electrical water treatment (4) are separated by transverse partitions (6) from the bottom to 2/3 of modules height. The water discharge device (10) is separated from modular electrical processing devices (4) by a transverse partition (6) from the top. The transport devices (7) and (8) are pipes with slots in the sludge outlet vessel (1) and are docked at an angle of 8-13 with the screws (11) placed inside. The slot (14) of the transport-dewatering unit (5) is cut in the pipes from the partition separating the modular water treatment device (4) to the point of tank filling with water on an inclined pipe that has a tie sieve (15) on the upper end and a pan (16) with a discharge pipe (17) to discharge the sub-product into the container (1). The slot (14) is covered by a grid (18) made of plates installed at an angle of 45. The water supply device has a flat bell (20), the water discharge device (10) has a pipe diameter that ensures flow rate of not more than 0.1 m/s in the complex.EFFECT: complex provides reliability, design simplification and reduction of equipment dimensions.1 dwg

ethod for liquids disinfection and heating, and device for its implementation // 2627899
FIELD: chemistry.SUBSTANCE: method of water disinfection and heating includes the effect of microwave energy on the processed water flow of a given size, passing through a rectangular waveguide at an angle to its wide wall. An aqueous solution of ionic silver is added to the flow based on its concentration in the treated water of 0.01-0.02 mg/l. Water is passed through a device including a microwave generator, a rectangular waveguide with flanges, a radiating transparent tube passing through it, the axis of which is at an angle to the wide wall of the waveguide, and an end matched absorbing load. The tube through which the flow is passed has an expanding shape. The width W has a maximum value of 0.66 of the waveguide wide wall size, the height h at the waveguide entrance is 0.06-0.15 of the wavelength, and the height H at the waveguide output is 0.18-0.47 of the wavelength and is set wide side to the direction of electromagnetic wave propagation.EFFECT: decreased liquid disinfection temperature, increased efficiency of microwave energy absorption and productivity, reduced energy costs, accelerated process of microwave disinfection and water heating, a possibility of using of a lower dose of ionic silver.2 cl, 3 dwg, 1 tbl

Systems and methods of extracting nutritive substances // 2627874
FIELD: agriculture.SUBSTANCE: method for extracting nutrients from waste of livestock complexes includes heating and aerating the anaerobic fermenter effluent in the aeration reactor for 4-24 hours for transferring soluble ammonium into gaseous ammonia, supplying gaseous ammonia from the aeration reactor to the degassing column in which a controlled amount of acid reacts with ammonia, extracting the resulting ammonium salt. In the second version, effluent containing fibrous precipitate and suspended solid particles is preheated to 160F (71.11C), the fibrous precipitate is separated, and two degassing columns are used. The system for extracting nutrients from the wastes of livestock complexes comprises an aeration reactor for heating and aerating the effluent of an anaerobic fermenter and two degassing columns for mixing the controlled amount of acid with gaseous ammonia from the aeration reactor, and a reservoir for collecting ammonium salt as well.EFFECT: inventions ensure the economical processing of livestock effluents and the extraction of nutrients from them.15 cl, 18 dwg, 8 tbl, 14 ex
ethod for water surface purification from oil pollution // 2627598
FIELD: biotechnology.SUBSTANCE: method comprises microbial preparation application to a water body; the preparation is based on a consortium of Acinetobacter sp. IB DT 5.1/1 and Ochrobactrum sp. IB DT 5.3/2 microorganisms with a titer of at least 108 CFU/ml in the culture fluid. The purification process is carried out by water body aeration.EFFECT: invention allows to reduce time and improve the efficiency of water bodies purification from oil pollution.2 ex

ethod of biological wastewater treatment // 2627382
FIELD: chemistry.SUBSTANCE: wastewater treatment is carried out in the aerotank. The active sludge is separated from the purified water in the secondary settler. The circulating active sludge is supplied after precipitation in the secondary settler into the aerotank. The excess active sludge is removed to the sewage sludge treatment facilities in an amount of 1/60-1/100 of the total sludge mass in the aerotank and the secondary settler per day.EFFECT: volume reduction of the excess active sludge while improving the quality of purified water by chemical oxygen consumption, biochemical oxygen demand and nitrogen compounds.3 cl, 1 tbl, 2 dwg
Hardness salt removing composition // 2627376
FIELD: chemistry.SUBSTANCE: composition of the following composition is proposed, wt %: hydrochloric acid 10-40, hexamethylenetetramine (urotropine) 0.5-8.0, non-ionic surfactant (surfactant) 0.5-3.0, etidronic acid 5.0-10.0, isopropyl alcohol - 1.0-10.0, oleic acid - 0.1-3.0, water diluent is the rest. The composition is in the form of liquid or gel.EFFECT: producing a highly effective composition that has increased rate of hardness salt deposit dissolution and low consumption when used.5 cl, 10 ex

ethod of liquid degasation and device for its implementation // 2627369
FIELD: food industry.SUBSTANCE: degasation device contains a chamber (4) for the liquid to be degassed with an aerator (1), injection pipes (2) with spraying holes (3) providing the cavitation effect and the jet formation; air pipes (6) for air supply and removal of discharged gases, made on opposite sides of the chamber (4). The air pipe (6) is equipped with a fan (5) and a hydraulic seal (7). The spraying holes can be in the form of cross-sections of diffuser nozzles. In the chamber (4) of the degassing device, the liquid aeration in the flow is carried out, during which the liquid is saturated with air and cavitation bubbles are created. Thereinafter, hydrodynamic cavitation is carried out by means of reducing the pressure in the liquid flow to a value equal to the pressure of saturated vapours of this liquid at a given temperature or pressure, at which discharging dissolved gases therefrom begins. The discharged gases are vented by air stream with simultaneous mechanical spraying of the liquid as a result of hitting the jet against the wall, which ensures separation and removal of the dissolved gases.EFFECT: increasing the efficiency of liquid cleaning due to saturation of water with oxygen, oxidation of pollutants, separation of dissolved gases.3 cl, 1 dwg, 1 tbl, 2 ex
Device for processing liquids by ultraviolet radiation // 2627368
FIELD: physics.SUBSTANCE: device for processing liquids by ultraviolet radiation has a hermetic cylindrical body-reactor 1, inside which one or several UV-lamps 2 are placed in hermetically sealed protective quartz covers 3 located parallel to its axis. The reactor body has an inlet and an outlet branch pipes, which are connected respectively to the inlet 8 and outlet 9 manifolds. The inlet manifold is located on the inner side surface of the reactor shell 1, extended along its entire length and has a number of evenly distributed inlet ports 10 along it. The output manifold is located on the axis of the reactor shell 1, stretched along its entire length and has a number of evenly distributed outlets. The inlet openings are oriented so that the flow of the treated liquid enters the reactor body 1 perpendicularly to its axis and tangentially to its lateral surface. Inside the reactor body, the flow moves along a converging spiral from the side surface to the outlets 10 of the output manifold 8, sequentially passing through the zones with different UV-radiation from the lamps 2. Then, the treated liquid stream through the discharge openings, the outlet manifold 9, and the outlet pipe, exits the device.EFFECT: increasing the uniformity of irradiation with UV-radiation of the entire volume of the treated liquid and increasing the degree of disinfection or productivity of the device.3 cl, 3 dwg

Heterogeneous catalyst for liquid phase oxidation of organic compounds // 2626964
FIELD: chemistry.SUBSTANCE: heterogeneous catalyst for liquid-phase oxidation of organic compounds contains a carrier, a glutaric dialdehyde as a cross-linking agent, and a horseradish root extract (Armoracia Rusticana) as an active ingredient. According to the invention, titanium dioxide is used as a carrier, modified in sequence with 0.0950.105 n solution of hydrochloric acid, 0.1950.205 % solution of chitosan in 0.00450.0055 M hydrochloric acid solution and 4.955.05 % aminopropyltriethoxysilane solution at 95.596.5 % ethanol with the following component ratio, wt %: titanium dioxide 4555; chitosan - 7.512.5; aminopropyltriethoxysilane 17.522.5; crosslinking agent (glutaric dialdehyde) - 7.512.5; active ingredient (horseradish root extract) - 7.512.5.EFFECT: increasing the activity, selectivity and operational stability of the heterogeneous catalyst in the liquid-phase oxidation of organic compounds by hydrogen peroxide.6 dwg, 19 ex
ethod for process fluid purification from mechanical impurities and floating liquid medium // 2626833
FIELD: chemistry.SUBSTANCE: method for process fluid purification from mechanical impurities and floating liquid medium involves premixing of the contaminated process fluid in a homogenizer and of a portion of the purified process fluid in a mixer, where jets of the purified fluid and parts of pure process fluid face each other with an equal cross section at the pint of jets junction. The mixture is then fed along a diffuser with a width equal to the inner width of the sump and a height providing a laminar flow regime for a thin, planar mixture layer. Process fluid purification from mechanical impurities and floating liquid medium is carried out by gravitational deposition of mechanical impurities and liquid floating from the thin flat layer.EFFECT: increased efficiency of process fluid purification.1 cl
Bacterial strain tsukamurella tyrosinosolvens vkpm v-12342 - destructor of alkanes and biosas producer for cleaning territories, water areas and industrial waste from oil pollutants // 2626593
FIELD: biotechnology.SUBSTANCE: Tsukamurella tyrosinosolvens PS2 bacterial strain is able to utilise aliphatic hydrocarbons and produce biologically surface-active substances. The bacterial strain is deposited in the Russian National Collection of Industrial Microorganisms under accession number VKPM B-12342 and may be used for cleaning territories and water areas contaminated with oil hydrocarbons.EFFECT: increased efficiency of territories and water areas cleaning from oil contaminations.4 ex
ethod for estimation of microorganisms suitability for purification plants active silt formation // 2626584
FIELD: biotechnology.SUBSTANCE: method for assessment of algae and cyanobacteria suitability for purification plants active silt formation is proposed. The method includes determination of the critical values of natural and anthropogenic impact parameters causing the death of microorganisms, comparing them to the maximum possible values of these parameters in the event of an emergency and/or abnormal weather conditions, and determination the integral indicator of microorganisms resistance.EFFECT: increased reliability of the purification plant for cases of extreme emissions of pollutants, and extreme increase or decrease in ambient or sewage water temperature.1 tbl
ethod for purifying water from sulfur compounds // 2626367
FIELD: chemistry.SUBSTANCE: method for purifying water from sulfur compounds involves saturation of water with oxygen or air in the presence of an oxidation catalyst, which uses an aqueous solution of an iron complex with ethylenediaminetetraacetic acid. The catalyst and oxygen or air are fed directly to the water stream with sulfur compounds at a pH of 2 to 11. The catalyst is fed in a concentration of 0.1 to 3 meq/l and the oxygen is supplied in volumes equal to or greater than the required volumes by stoichiometry, for the conversion of sulfur compounds to elemental sulfur, followed by the separation of water from elemental sulfur.EFFECT: invention allows in a continuous mode to purify water from sulfur compounds and to accelerate the process of their oxidation, as well as to reduce the cost of water purification, to minimize the amount of solid waste and wastewater to be recycled or utilized.1 tbl, 5 ex

Water-oil emulsion separation and heating plant // 2626362
FIELD: oil and gas industry.SUBSTANCE: unit for separating and heating the water-oil emulsion contains a vessel 1 with oil injector tubes 2, 3, 4, 5, oil emulsion inlet, oil outlet, water outlet, oil gas outlet, located outside the vessel 1, a cylindrical casing 6 with heat carrier inlet and outlet tubes 7, 8 and with a flame pipe 9 placed therein, a circulation pump 10 and a heater 11. A heat carrier inlet unit 12 to in the heater 11 and a heat carrier outlet unit 13 from the heater 11 are provided on the vessel. The heater 11 is made in the form of pipes 14 longitudinally arranged in the vessel 1, fitted with their ends into the tube grids 15, 16, to the left of which the bottom 17 is hermetically connected and the bottom 18 is connected to the right one, forming chambers 19, 20 communicated with tube grids by means of the tubes. A partition 21 is installed in the chamber 19 of the heater 11, separating the chamber into the lower and upper semi-chambers. The upper semi-chamber of the chamber 19 is provided with a tube 22 connected with pipeline 23 through the unit 12 of the vessel 1 to the tube 8 of the cylindrical casing 6 and to the lower semi-chamber a tube 24, connected with a pipeline 25 to the inlet of the pump 10, which outlet is connected with a pipeline 26 to the tube 7 of the cylindrical casing 6. The tube 5 of the vessel 1 is connected with the pipeline 27 to a gas burner 28,mounted in a flame pipe 9. The heater 11 is mounted in the vessel 1 on supports 29 with the possibility of longitudinal movement.EFFECT: invention allows to exclude fire hazard, increased intensity of heat transfer, increase the reliability of the plant for heating and separating the water-oil emulsion.1 dwg
Photochemical method of neutralisation of thiocyanate-containing wastewater and sewage // 2626204
FIELD: chemistry.SUBSTANCE: invention relates to the treatment of wastewater and sewage containing thiocyanates (SCN-), and can be used on non-ferrous metallurgy, chemical and gold mining industry. Thiocyanate-containing waste water simultaneously subjected to ultraviolet (UV) radiation and processing by persulfate (S2O82-) in the presence of iron (III) ions when the molar ratio [S2O82-]:[SCN-] 5:1.EFFECT: method allows to achieve a high degree of purification of waste water in a wide range of pH medium and the concentrations of pollutant specified for a short period of time by using different sources of UV radiation, emitting both narrow and wide band optical range, as well as lower operational costs and reduce the cost of the cleanup, the proposed method does not require the introduction of any pH medium regulators in the reaction zone, improving sanitary conditions at the expense of low-toxic easy to handle and transport agents.2 cl, 2 tbl

Device for cleaning water bodies from algae // 2625958
FIELD: transportation.SUBSTANCE: device contains a watercraft with an appliance for taking water with algae, which feeds the mixture to pairwise counter-rotating drums with a rubberized surface installed on each side. The drums are located at an angle to the surface of the water body with the possibility of changing the position of one drum relative to the other, forming a gap between them, transferring from the transport position to the working position, and also with the possibility of making a battery of a series of pairwise counter-rotating drums.EFFECT: simplification of the technological process of cleaning the water body from algae and reducing the energy intensity of its implementation.1 dwg
Slime pump for radial secondary sedimentation tank // 2625701
FIELD: agriculture.SUBSTANCE: slime pump consists of a truss, at least one outlet tray, a central support, a system of suction pipes with scrapers. At least one suction pipe is made with the individual adjustment system, and at least one outlet tray is made with at least one slide gate.EFFECT: increasing the slime pump operation efficiency due to providing the possibility of individual adjustment of the suction pipes and the possibility of the slime pump control automation.2 cl, 3 dwg
Slime pump for radial secondary sediment // 2625670
FIELD: technological processes.SUBSTANCE: slime pump consists of a farm 1, a discharge chute 2, a central support 5, a system of suckers 7 and a system of scrapers. The discharge chute 2 is formed with, at least, one longitudinal baffle 6 located along the chute 2, which divides the chute 2 into independent parts 7. The individual suckers or groups of suckers 7 are configured to operate independently, except for mixing slime they extract by supplying this slime to different portions 7 of the chute 2.EFFECT: invention allows to increase the effectiveness of the slime pump operation.3 cl, 3 dwg
ethod for removing nitrite-ions from water solutions // 2625466
FIELD: chemistry.SUBSTANCE: method involves electrochemical treatment of aqueous solutions containing 0.10-0.20 g/l of nitrite ions and 0.30-0.45 g/l of sodium sulfate or sodium chloride, in a cell of a non-current type with a diaphragm, a cathode of stainless steel, an ORTA-type anode at current strength of 0.25-0.40 A, current density of 0.25-0.40 A/cm2, voltage of 38-42 V, temperature of 22-30C, a duration of 40-45 minutes.EFFECT: method allows to increase the removal degree of nitrite ions, to reduce the consumption of electroconductive additive, to expand the range of solutions used.2 ex

ethod for reverse osmosis treatment of sanitary and hygienic water in closed circuit in gravity-free environment // 2625247
FIELD: aviation.SUBSTANCE: method of reverse osmosis treatment of sanitary and hygienic water from a detergent and impurities in gravity-free environment is based on the use of membrane technology, in which the source water is supplied to the receiving source water tank, from where it is pumped to the reverse osmosis filter element, wherein it is possible to return the concentrate to the circulation circuit, contaminated water circulating in a circuit with constant volume tank is simultaneously filtered through the reverse osmosis membrane, and circulation circuit of purified water source is made up with gradual increase of concentration up to the maximum allowable degree of purification and providing clean water recovery ratio, determined by the ratio of these concentrations.EFFECT: increased degree of water extraction during continuous process of regeneration in gravity-free environment, ensuring a long service life.3 cl, 2 dwg

Deaerator and deaeration method // 2625235
FIELD: food industry.SUBSTANCE: fluid deaeration method comprises the stages at which the fluid is compressed to a pressure above atmospheric pressure, the fluid is heated to a predetermined temperature, the compressed fluid is guided to the site of mixing, an inert gas is admixed to the compressed fluid, the compressed fluid comprising an inert gas is fed to the separation tank through the depressurization valve, the pressure in the separation tank is reduced to a pressure above the vapour pressure for said fluid at said predetermined temperature, the separated gases are pumped from the separation tank, and the deaerated fluid is pumped from the separation tank for further processing. The fluid deaeration system comprises the heater (108) of the fluid to a predetermined temperature, the means (104) for fluid compression, the pipe for guiding the heated fluid into the separation tank (114) through the depressurization valve (110), the adjustable vacuum pump (116) for pumping deaerated gases from the tank (114), the pipe for guiding the deaerated fluid from the tank (114), the inert gas source and the mixer (106) for supplying an inert gas into the fluid.EFFECT: improved energy efficiency of the deaeration process.12 cl, 3 dwg, 2 ex

Sand and gravel trap // 2625175
FIELD: construction.SUBSTANCE: sand and gravel trap includes a main receiving container 1 in which a hollow cylinder 2 mated with a supply water line 4 is arranged. Below the head of the cylinder 2 in the main container 1, a reflective screen 6 with radial branches with nozzles 8 is arranged. The nozzles 8 are oriented in such a way that each nozzle 8 of the screen 6 is directed inward the cavity of the container 1 with twisting the flow and creating a directed water flow along the circumferential plane of the cylindrical container 1. The container 1 is divided by a transverse partition 11 with bypass ports 12 into two cavities 13 and 14. In the lower part of the wall of the hollow cylinder 2, openings 5 are made at an acute angle towards the inner wall of the container 1. The upper part of the container 1 wall contains the outlet opening 15 which is offset relative to the bypass ports 12 in the transverse partition 11. The bottom of the container 1 is inclined to the horizontal axis of the device. In the center of the container 1, a flushing opening 18 with a flushing pipeline 19 is made. The container 1 in the upper part of its wall is connected with a outlet pipeline 16 of clean water by means of the outlet port 15. In this constructive solution and in the mode of hydrodynamic conditions of the sediment-saturated flow operation, the sediments will be delivered directly to the discharge manifold due to the rotating water and their washing off the inclined walls of the bottom, and clean water calmed above the partition will flow from the upper layers to the outlet pipeline 16 and onwards to the consumer.EFFECT: improving the efficiency of continuous water cleaning from bottom and suspended sediments, ensuring the possibility to regulate the hydraulic flow structure in the water supply distributor made in the form of a reflective screen with radial branches and nozzles and the water separating device in general, simplifying the design.3 cl, 2 dwg
ethod of uranium extraction from diluted solutions and natural waters // 2625150
FIELD: chemistry.SUBSTANCE: uranium is extracted from the solution by sorption on a chemically activated shungite modified with zinc hydroxide at a mass ratio of shungite: zinc hydroxide of 7:1. As a result of the test, a 6.35% uranium concentrate was obtained. The rate of extraction of uranium in this case was 86%.EFFECT: invention makes it possible to increase the uranium recovery rate and to obtain an uranium concentrate with a higher content of uranium.1 tbl, 1 ex

Portable filter for water treatment in field and extreme conditions // 2625112
FIELD: chemistry.SUBSTANCE: portable filter consists of intake prefilter rough cleaning, a suction tube, connectable to the supply of switchable inlet valve input water to be purified and a housing consisting of two coaxial mutually compressed cylindrical cup, capable of moving along a common axis relative to each other, forming a sealed chamber of variable volume limited by abutments on the walls of the cup comprising a bottom glass filter element provided at a closed outlet valve from the outlet nozzle ochishch constant of water, and the upper glass - additional container communicating with a cavity of variable volume. At the output of the additional capacity, a locking device and a pressure reducing valve are installed in the variable-capacity vessel, and the container itself is provided with an inlet valve for filling it with liquefied gas.EFFECT: development of a compact, easy-to-maintain individual filter for water treatment in the field, which allows to intensify the process of obtaining drinking water without using physical efforts.2 cl, 1 dwg
ethod of purifying waste water from heavy metal ions // 2625111
FIELD: chemistry.SUBSTANCE: wastewater treatment from heavy metal ions is carried out by sorption on a solid insoluble natural sorbent. As a natural sorbent, agalmatolite rock with a pyrophyllite mineral content of at least 80 vol. % is used, with sorbent grain size from 3.0 to 5.0 mm.EFFECT: increasing the filtration rate and reducing sorbent consumption.1 tbl

ethod of main water cleaning // 2625110
FIELD: technological processes.SUBSTANCE: method of main water cleaning includes its purification in a water purifier containing a water supply zone, a freezing zone with a freezer compartment and a zone of water transfer from a solid state to a liquid state with an ice compartment, the outlet of melted drinking water. A part of a vertical metal ring which is immersed in a vessel and rotated is used as the water supply zone. The metal ring is frozen before immersion in a vessel with water in the freezer. Separation of ice from the metal ring surface is carried out by pressing rivets with a rotation drive. Rotation of the metal ring is performed by a pressure roller with an elastic band. When the ice is separated from the surface of the metal ring, the surface of the metal ring is bent due to the radial slots located at its outer edge and forming the bending blades under the action of the force created by the pressing rivets.EFFECT: water treatment higher efficiency.1 dwg

ethod for contactless activating liquid and device for its implementation // 2625106
FIELD: physics.SUBSTANCE: liquid is affected by electromagnetic and acoustic waves obtained from a magnetostrictive radiator powered from a functional generator. The working end of the magnetostrictive radiator is placed in liquid in the container. The said container with water is entwined with a pipe, through which the contactlessly activated water is passed, or the said container with water is placed in a container with contactless activated water in a stationary state.EFFECT: increasing the efficiency of activation, while reducing energy costs.2 cl, 2 dwg, 1 tbl

Tap water purification method // 2625103
FIELD: technological processes.SUBSTANCE: method of tap water cleaning includes its purification in a water purifier containing a water supply zone, a freezing zone with a freezer compartment and a zone of water transfer from a solid state to a liquid state with an ice compartment, the outlet of melted drinking water. A part of a vertical metal ring which is immersed in a vessel and rotated is used as the water supply zone. The metal ring is frozen before immersion in a vessel with water in the freezer. Separation of ice from the metal ring surface is carried out by pressing rivets with a rotation drive. Rotation of the metal ring is performed by a pressure roller with an elastic band. When the ice is separated from the surface of the metal ring, it is additionally provided for its deformation by the perforated holes located on the surface of the metal ring under the action of pressure rivets.EFFECT: water treatment higher efficiency.1 dwg

Technical reservoir of the complex of wastewater treatment and method of its transportation, and the complex and method of treatment of wastewater water type // 2624709
FIELD: chemistry.SUBSTANCE: technical reservoir of the sewage treatment plant consists of a housing and a cover. The bottom of the shell is conical in shape and provides a system for automatic sludge dumping due to hydrostatic pressure. The cover has a tap for organized emission of harmful substances. The complex of wastewater treatment of the block-hardware type consists of a pressure collector and a receiving chamber; mechanical grating, sand trap and primary settler; anaerobic zone of bioreactor and aerobic zone of bioreactor; secondary settling tank; a metering pump for introducing the coagulant at the outlet from the anaerobic zone of the bioreactor before the secondary settler; Intermediate capacity; block of mechanical and sorption aftertreatment, consisting of a fast mechanical filter and an early sorption filter; pump, aeration compressor, portable plastic basket and/or tipping trailer, connecting pipeline and sump for sludge and sediment; disinfection plants; devices for sludge of dewatering and sediment disinfection. Mechanical grating, sand trap and primary settler are designed for mechanical cleaning and are modularly executed on the ground with the claimed technical tanks. Anaerobic zone of the bioreactor and aerobic zone of the bioreactor are designed for biological treatment and are executed modularly with the claimed technical reservoirs. Primary sedimentation tank, anaerobic zone of bioreactor, aerobic zone of bioreactor, secondary sedimentation tank, mechanical and sorption post-treatment block form a single technological line. The method of wastewater treatment by a complex of wastewater treatment of the block-apparatus type is characterized by the fact that the effluents from the pressure collector enter the receiving chamber of treatment facilities; further drains enter the mechanical grilles; from the mechanical grids, the drains are fed to the sand trap. Removal of sediment from the sand trap is carried out in a bag filter; further, the effluents enter the primary settler. Removal of sediment from the primary settler is carried out through a pipeline to the pit; Further, the flows go by gravity to the anaerobic zone of the bioreactor, in which the degradation of difficultly oxidized organic matter takes place on the biocarrier with immobilized and free-floating microorganisms; further, the effluents enter the aerobic zone of the bioreactor, in which nitrification takes place under the action of aerobic nitrifying bacteria and aeration; further, the treated effluents are transported by gravity into the secondary settler. Before the secondary settler, at the outlet from the anaerobic zone of the bioreactor, a coagulant is injected by means of dosing pumps. The removal of sludge settled in the secondary sedimentation tank is carried out via a pipeline to the pit; further purified effluents enter the intermediate tank, from where they are fed by pumps to the mechanical and sorption post-treatment unit; further purified effluents are sent to the disinfection unit; sediment and sludge from the pit are pumped to the sludge dewatering device and a sediment disinfection unit.EFFECT: increasing the sanitary reliability, ecological safety and economy of installation, expansion of the field of application.21 cl, 7 dwg

ethod and device for electrochemical industrial waste water and drinking water treatment // 2624643
FIELD: chemistry.SUBSTANCE: after the preparatory phase gravity settling follows the main processing consisting of electrocoagulation electrooxidation and electroflotation by the action of metal sets of electrodes made of stainless steel, and aluminium, respectively, with simultaneous disinfection/oxidation by ozone, UV radiation and sonication, and recycling in the electromagnetic field. At the end of the main processing a mixture of water and subjected to flocculation coagulation/flocculation under the influence of electrochemically formed from steel and aluminium flocculation with a slow introduction of ozone. The next phase is the separation of sludge from pure water which is discharged into a collecting container through a sand filter and an activated carbon filter to remove light floating flocs. If necessary, water is oxidized under the simultaneous action of UV radiation and ozone for final degradation of organic matter and ammonia, and possible residues of microbiological contamination.EFFECT: invention provides an apparatus for treatment of industrial waste water, in which the electrochemical processes are used.47 cl, 4 dwg, 8 tbl, 4 ex
ethod for regeneration of electrolytes based on sodium nitrate and chloride aqueous solutions // 2624553
FIELD: chemistry.SUBSTANCE: invention relates to electrocoagulation regeneration of electrolytes based on aqueous solutions of sodium nitrate and chloride containing hexavalent chromium ions, and can be used in the process of gas turbine engine blades electrochemical treatment. The method for regeneration of the electrolyte based on an aqueous solution of sodium chloride and nitrate, applied for electrochemical treatment of gas turbine engine blades made of high-alloy steels, includes electrolyte electrocoagulation, when the electrolyte is first treated by straight polarity DC current at a current density of 0.4-0.5 A/dm2 for 5-10 minutes, and thenby opposite polarity DC current at the same current density and exposure duration, during treatment, the resulting slurry is removed from the electrolyte.EFFECT: highly significant reduction in hexavalent chromium ions concentration in the electrolyte.1 dwg, 1 tbl
Strain salinibacterium amurskyense arc 14 vkpm ac-1993 - destructor of oil and oil products // 2624069
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology, microbiology, ecology, environmental protection. Salinibacterium amurskyense ARC 14 strain has the ability to destruction of oil and oil products in aqueous medium. Salinibacterium amurskyense bacteria strain is deposited in the Russian national collection of Industrial Microorganisms under registration number VKPM Ac-1993. Strain can be used for purification of water areas of water bodies, shore line contaminated with oil and oil products, at temperature from +4 to +20C and salinity of 30 g/l.EFFECT: invention increases efficiency of purification of water areas of water bodies from oil and oil products at +4 to +20C and salinity of 30 g/l.1 cl, 3 ex
Strain nocardia coeliaca arc12 vkpm ac-1990 is destructor of oil and oil products // 2624067
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology. Strain Nocardia coeliaca ARC 12 has oil-oxidizing ability. Nocardia coeliaca strain is deposited in Russian National Collection of Industrial Microorganisms under registration number VKPM Ac-1990. Strain can be used for cleaning of water areas of water bodies, coastal line contaminated with oil and oil products, at temperature from +4 to +20C and salinity of 30 g/l.EFFECT: invention increases degree of oil destruction in water reservoirs with high salinity in wide range of temperatures.1 cl, 3 ex
Strain psychrobacter cibarius arc 13 vkpm b-12351 is destructor of oil and oil products // 2624065
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology. Strain Psychrobacter cibarius ARC 13 with ability of destruction of oil and oil products is deposited under registration number VKPM B-12351.EFFECT: invention enables to purify water areas of water bodies, coastal line contaminated with oil and oil products at temperature from +4 to +20C and salinity of 30 g/l.1 cl, 3 ex
Strain arthrobacter rhombi arc 16 vkpm ac-1988 - destructor of oil and oil products // 2624063
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology, microbiology, ecology, environmental protection. Arthrobacter rhombi ARC 16 bacteria strain has the ability to destruction of oil and oil products. Arthrobacter rhombi bacteria strain is deposited in the Russian national collection of Industrial Microorganisms under registration number VKPM Ac-1988. Strain can be used for purification of water areas of water bodies, shore line contaminated with oil and oil products, at temperature from +4 to +20C and salinity of 30 g/l.EFFECT: invention increases efficiency of purification of water areas of water bodies, shore line from oil and oil products at +4 to +20C and salinity of 30 g/l.1 cl, 3 ex
Arthrobacter strain rhombi arc 15 vkpm as-1989 - destructor of oil and oil products // 2624061
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology, microbiology, environmental friendliness, environmental protection. Strain of bacteria Arthrobacter rhombi ARC 15 has ability of destruction of oil and oil products. Arthrobacter rhombi strain is deposited in Russian national collection of Industrial Microorganisms under registration number VKPM As-1989. Strain can be used for purification of water areas of water bodies, coast line contaminated with oil and oil products at temperature from +4 to +20C and salinity of 30 g/l.EFFECT: invention increases efficiency of purification of water areas of water bodies, coast line from oil and oil products at temperature from +4 to +20C and salinity of 30 g/l.1 cl, 3 ex
Strain cobetia marina arc 11 vkpm b-12350 is destructor of oil and oil products // 2624059
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology. Strain Cobetia marina ARC 11 has oil-oxidizing ability. Cobetia marina strain is deposited in Russian National Collection of Industrial Microorganisms under registration number VKPM B-12350. Strain can be used for cleaning of water areas of water bodies, coastal line contaminated with oil and oil products, at temperature from +4 to +20C and salinity of 30 g/l.EFFECT: invention increases degree of oil destruction in water reservoirs with high salinity in wide range of temperatures.1 cl, 3 ex
Strain nocardia coeliaca arc 1 vkpm ac-1991 is destructor of oil and oil products // 2624058
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology. Strain Nocardia coeliaca ARC 1 has oil-oxidizing ability. Nocardia coeliaca strain is deposited in Russian National Collection of Industrial Microorganisms under registration number VKPM Ac-1991. Strain can be used for purification of water areas of water bodies, shore line, contaminated with oil and oil products at +4 to +20C and salinity of 30 g/l.EFFECT: invention increases degree of oil destruction in water reservoirs with high salinity in wide range of temperatures.1 cl, 3 ex
Strain halomonas boliviensis arc 3 vkpm b-12344 is destructor of oil and oil products // 2624056
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology. Strain Halomonas boliviensis ARC 3 with ability of destruction of oil and oil products, deposited under registration number VKPM B-12344.EFFECT: invention enables to purify water areas of water bodies, coastal line, contaminated with oil and oil products at temperature from +4 to +20C and salinity of 30 g/l.1 cl, 3 ex
Strain psychrobacter fozii arc 5 vkpm b-12345 is destructor of oil and oil products // 2624055
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology. Strain Psychrobacter fozii ARC 5 with ability of destruction of oil and oil products, deposited under registration number VKPM B-12345.EFFECT: invention enables to purify water areas of water bodies, coastal line, contaminated with oil and oil products at temperature from +4 to +20C and salinity of 30 g/l.1 cl, 3 ex
Strain leucobacter aridicollis arc 6 vkpm as-1992 destructor of oil and oil products // 2624054
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology, microbiology, environmental friendliness, environmental protection. Strain of bacteria Leucobacter aridicollis ARC 6 has ability of destruction of oil and oil products. Leucobacter aridicollis bacteria strain is deposited in Russian national collection of Industrial Microorganisms under registration number VKPM As-1992. Strain can be used for purification of water areas of water bodies, coastal line contaminated with oil and oil products at temperature from +4 to +20C and salinity of 30 g/l.EFFECT: invention increases efficiency of purification of water areas of water bodies, coastal line contaminated with oil and oil products at temperature from +4 to +20C and salinity of 30 g/l.1 cl, 3 ex
Strain psychrobacter maritimus arc 7 vkpm v-12347-destructor of oil and oil products // 2624053
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology. Strain Psychrobacter maritimus ARC 7, with the ability to destruction of oil and oil products, deposited under registration number VKPM V-12347.EFFECT: invention allows to purify water area, coastal line contaminated with oil and oil products at temperature from +20 to +4 C and salinity of 30 g/l.1 cl, 3 ex
Strain arthrobacter rhombi arc 8 vkpm as-1987-destructor of oil and oil products // 2624052
FIELD: biotechnology.SUBSTANCE: invention relates to the field of biotechnology, microbiology, ecology, environmental protection. Strain of bacteria Arthrobacter rhombi ARC 8 has the ability to destruction of oil and oil products. Strain of bacteria Arthrobacter rhombi is deposited in the Russian national collection of Industrial Microorganisms under registration number As-1987. Strain can be used for purification of water areas of water bodies, coastal line, contaminated with oil and oil products at temperature from +4 to +20C and salinity of 30 g/l.EFFECT: invention allows to increase efficiency of cleaning water area, coastal line contaminated with oil and oil products at temperature from +4 to +20C and salinity 30 g/l.1 cl, 3 ex
Strain psychrobacter cibarius arc 9 bkpm b-12348 is destructor of oil and oil products // 2624051
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology. Strain Psychrobacter cibarius ARC 9 with ability of destruction of oil and oil products, deposited under registration number VKPM B-12348.EFFECT: invention enables to purify water areas of water bodies, coastal line, contaminated with oil and oil products at temperature from +4 to +20C and salinity of 30 g/l.1 cl, 3 ex
Strain cobetia marina arc 10 vkpm b-12349 is destructor of oil and oil products // 2624050
FIELD: biotechnology.SUBSTANCE: invention relates to biotechnology. Strain Cobetia marina ARC 10 has oil-oxidizing ability. Cobetia marina strain is deposited in Russian National Collection of Industrial Microorganisms under registration number VKPM B-12349. Strain can be used for cleaning of water areas of water bodies, coastal line contaminated with oil and oil products, at temperature from +4 to +20C and salinity of 30 g/l.EFFECT: invention increases degree of oil destruction in water reservoirs with high salinity in wide range of temperatures.1 cl, 3 ex

ethod of cleaning water objects from filmy and emulsified oil products // 2624038
FIELD: biotechnology.SUBSTANCE: method of cleaning water objects from filmy and emulsified oil products is proposed. The method includes use of a special biofilter construction, where water plants are used as a loading, such as Elodea densa Plancon and naiad denticulate (Najas microdon), as microorganisms, a consortium of activated aboriginal oil-oxidizing microorganisms selected directly at the site of contamination. In addition, as a growth factor for microorganisms, plant phytomass is pretreated with an aqueous solution of humic preparations at the rate of 0.3-0.5 ml/g of phytomass.EFFECT: invention provides biological cleaning of water areas with small territory from oil pollution.3 cl, 4 tbl, 1 dwg, 4 ex

ethod of purifying water from radon and radon substitute decomposition products, device for its implementation // 2623777
FIELD: chemistry.SUBSTANCE: method for purifying water from radon and radon decay substitute products involves filtering the purifying water through sorbing material and backwashing the sorbing material. Filter 3 with sorbing material is protected by a screen. The backwashing is carried out with water heated to a temperature of from 50 to 85C, which is then collected in a collecting container 9 and maintained until the radon decay and radon substitute products. A device for purifying water from radon and radon decay products includes a filter 3 with sorbing material, a line for supplying purified water 1, a line for the removal of purified water 5, a backwash filter system, a source of hot water 8 with a temperature of 50 to 85C, a storage tank 9 for rinsing water for the time of radon decay and radon decay substitute products, a screen.EFFECT: invention makes it possible to increase the radiation safety of water purification from radon and radon decay substitute products, and to increase the life of the sorbent material and to effectively perform water purification and safe maintenance.13 cl, 1 dwg, 2 ex, 1 tbl
ethod for processing sewage sludge of nitrocellulose production // 2623775
FIELD: chemistry.SUBSTANCE: method for processing the sewage sludge of nitrocellulose production includes a continuous loading of wet nitrocellulose sludge to the aqueous sodium or potassium hydroxide solution close to saturation, with the initial temperature of 10-95C. The solution is continuously stirred with the intensity sufficient for the precipitate particles to be in suspended state and to be evenly distributed in the liquid volume. The feed rate of sludge into the alkaline suspension is maintained such that the mass fraction of precipitate particles in the suspension does not exceed 5%.EFFECT: reducing the energy consumption for nitrocellulose sludge processing, reducing the processing time and simplifying the processing process hardware design.1 tbl, 1 ex
 
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