Liquidation of effluents at gas-hydrodynamic analysis of wells and system to this end
SUBSTANCE: tank is communicated with effluent intake line composed of a pipeline system equipped with check valve Note here that said valve is communicated with the pump Said effluent intake line is equipped with safety valve communicated via pipeline with standby measuring tank Said effluent intake line is connected with one end of coil rigidly secured in horizontal cylindrical casing Walls of the latter, at its top and bottom parts, have openings Second end of aforesaid coil is connected with nozzle located at gas flare plant flame zone Head of said plant is secured at the end of aforesaid cylindrical casing Effluents are accumulated in said tank to be, then, forced by pump via said intake line into coil to be finely sprayed and directed to spray nozzle Note here that said nozzle is located at gas flare plant flame zone.
EFFECT: higher efficiency, better environmental protection, lower costs.
3 cl, 1 dwg
The invention "Method of disposal of sewage in gas dynamic research well and system for its implementation" refers to the mining industry, namely technological equipment for the disposal of waste drilling gas wells for their testing.
There is a method of neutralizing a gas-liquid mixture and installation for its implementation, including the line receiving a gas-liquid mixture, equipped with a valve and valve-pressure regulator, two-phase separator with lines and removal of gas and liquid, equipped with flow meters, line drain of which is connected to the second separator, the storage unit of the liquid and the unit auxiliary objects, in addition, the installation further comprises a degassing unit, consisting of pump and vacuumised device, the drain of which is connected to the storage unit of the liquid, and the power supply Converter, consisting of a vessel with a catalytic Converter and a pump connected to the line receiving a gas-liquid mixture prior to valve-pressure regulator and the suction pump unit vacuum (see RF Patent for PM No. 938356, IPC EV 47/00, EV/00, publ. 10.06.2004).
The disadvantage of this method of neutralization gas-liquid mixture and implements its installation for its implementation is what is and has limited functionality, the high cost and complexity of manufacture.
This disadvantage is due to the fact that due to the bulkiness of such expensive and bulky nodes as blocks vacuum limited use of the installation in the field.
Known also adopted for the prototype by the functional characteristics of the method of the study wells and neutralizing gas-liquid mixture and implements its installation (see RF patent for useful model №13910, IPC EV 47/00, publ. 10.06.2000)containing the line receiving condensate mixture, equipped with a valve and valve-pressure regulator and associated with three-phase separator connected with lines, condensate, gas and water, equipped with flow meters, contains a block of oil separation, associated with the lines of the exhaust gas and water, including a line of reception of oil, equipped with a valve and valve pressure regulator and connected in series heater, two-phase separator and separator sludge water, coupled with the interconnect lines of communications, and stabilization unit of liquid hydrocarbons, including tank degassing and stabilization of hydrocarbons.
A disadvantage of the known installation that implements this method is low efficiency, large environmental pollution and high cost.
This disadvantage also decided the flax structural complexity and the presence of bulky equipment, that entails the increase of material costs and time for installation and disassembly of the equipment, as well as environmental pollution when disposing of the gases due to the presence in the emissions of sulfur compounds.
The technical result provided by the claimed invention "Method of disposal of sewage in gas dynamic research well and system for its implementation lies in the reliability, the efficiency of disposal of sewage and improving ecological environment protection and cost reduction.
This result is achieved in that in the known method of disposal of sewage in gas dynamic studies of wells in which initially accumulate waste water, according to the invention, after the accumulation of the pump serves the wastewater under pressure in the coil, which produces their dispersion into the smallest group and, further, provide direction to the spray nozzle, which is placed in the flame hazofakelne installation; if this system had been used for the disposal of sewage in gas dynamic studies of wells containing capacity in the form of a dipstick or a barn-drive line for the reception of sewage associated with the pump and equipped with a back and safety valves, which, according to the image the structure, additionally contains made with holes in the walls of the housing containing the coil is connected at one end with a line receiving a gas-liquid mixture, and the second end of the coil is connected with the nozzle, in the immediate vicinity of which is fixed in said casing head hazofakelne installation associated with the gas source, in addition, it contains a redundant measuring device connected through a pipeline with a safety valve.
Between the features and achievable technical result is the following causal link.
In contrast to the known analogues and prototype application of the method of disposal of sewage in gas dynamic research well, when you first submit accumulated wastewater under pressure in the coil, which produces their dispersion into the smallest group and, further, provide direction to the spray nozzle, which is placed in the flame hazofakelne installation, allows you to quickly and effectively eliminate wastewater at minimum cost, thus completely preventing the pollution of the environment, in particular excludes the ingress of wastewater containing particles of oil, water and soil. As used in the implementation of the proposed method system for liquid in the AI wastewater treatment gas dynamic research well very simple to manufacture and has a reservoir in the form of a dipstick or a barn drive, line receiving wastewater associated with the pump and equipped with return and safety valves, which further comprises executed with holes in the walls of the housing containing the coil is connected at one end with a line receiving a gas-liquid mixture, and the second end of the coil is connected with the nozzle, in the immediate vicinity of which is fixed in said casing head hazofakelne installation associated with the source gas, additionally, the inventive system contains a backup pump, connected by a pipeline with a safety valve, it does not require complex Assembly and disassembly, reliable and, in addition, the system can easily be transformed. Moreover, the set of features of the claimed system containing a capacitor in the form of a measuring device with a line receiving wastewater associated with the pump and equipped with a check valve, provides an efficient continuous flow of wastewater. Safety valve-backed measuring device provides a discharge of wastewater overflow of the coil, which also increases the reliability, efficiency and continuity of the destruction of sewage. Made with holes in the walls of the casing, in which is secured a coil connected at one end with a line receiving a gas-liquid mixture, and a second end with a nozzle, mounted in the immediate vicinity of the exhaust gas is clever hazofakelne installation not an expensive equipment, it can be easily made on site testing of the pipes, which can always be found after the drilling process.
According to the applicant's information, the set of essential features of the claimed invention "Method of disposal of sewage in gas dynamic research well and system for its implementation" not known from the prior art, which allows to make a conclusion on the conformity of the proposed object "Method of disposal of sewage in gas dynamic research well and system for its implementation" the criterion of "novelty".
According to the applicant, the essence of the claimed invention should not be mainly known from the prior art, since it is not detected above the impact on the technical result achieved is a new property of an object is the totality of characteristics that differ from the prototype of the claimed invention, which allows to make a conclusion about conformity of the invention "Method of disposal of sewage in gas dynamic research well and system for its implementation" the criterion of "inventive step".
The set of essential features that characterize the invention "Method of disposal of sewage in gas dynamic studies of the well and the system done by the compliance can be reused in the production of various modifications of installations for processing drilling waste to obtain a technical result, which consists in increasing the efficiency of the elimination of sewage and improving the ecological environment, as well as lower cost, which allows to make a conclusion on compliance of the proposed facility to the criterion "industrial applicability".
The essence of the invention "Method of disposal of sewage in gas dynamic research and system for its implementation" is illustrated by a specific example with the illustration in figure 1, which shows a schematic diagram of a system for disposal of sewage in gas dynamic studies of the well.
System for disposal of sewage in gas dynamic studies of the wells contains a container in the form of measuring device 1, in which the process gas dynamic issledovanii well accumulate wastewater 2. Sometimes, instead of measuring device used barn drive. The measuring device 1 is connected to line 3 for the reception of sewage 2 made in the form of a piping system, equipped with a check valve 4, which is connected with the pump 5. Line 3 reception wastewater 2 is also equipped with a safety valve 6, through which the pipe 7 is connected with a backup dipstick 8. Line 3 reception wastewater (2) is connected with one end 9 of the coil 10, rigidly fixed to the horizontally located cylindrical corpose. Wall 12 of the horizontal cylindrical body 11 in its upper portion 13 and lower portion 14 are made with holes 15. The coil 10 connected to one end of the 9-line 3 reception wastewater 2, the second end 16 of the coil 10 is connected with the nozzle 17 located directly in the zone of proximity of the flame of the torch 18 hazofakelne fitting 19, the cap 20 which is secured to the end 21 of the cylindrical casing 11.
The method of disposal of sewage in gas dynamic studies, implemented using the proposed system was implemented as follows.
Originally accumulated waste water 2 in the measuring device 1, after which the pump 5 filed wastewater 2 under pressure receiving line 3 in the coil 10, which produced their dispersion into the smallest fraction and provided direction to the spray nozzle 17, which was placed in the flame zone of the torch 18 hazofakelne installation 19.
Application of the proposed invention "Method of disposal of sewage in gas dynamic studies of wells and system for its implementation allows to increase the efficiency of disposal of sewage, to improve the ecological environment, and to reduce costs.
1. The method of disposal of sewage in gas dynamic studies of wells in which initially accumulate article is cnie water, characterized in that after the accumulation of the pump serves the wastewater under pressure in the coil, which produces their dispersion into the smallest group and, further, provide direction to the spray nozzle, which is placed in the flame hazofakelne installation.
2. System for disposal of sewage in gas dynamic studies of wells containing container in the form of measuring device or of sump, a line receiving wastewater associated with the pump and is equipped with return and safety valves, characterized in that it further comprises executed with holes in the walls of the casing in which is mounted a coil connected at one end with a line receiving a gas-liquid mixture, and the second end of the coil is connected with the nozzle, in the immediate vicinity of which is fixed in the casing head hazofakelne installation.
3. The system according to claim 2, characterized in that it contains a backup pump, connected by a pipeline with a safety valve.
SUBSTANCE: vacuum, i.e. pressure level, and efficiency of the system is maintained and controlled, whilst controlling the speed of rotation of a source/sources of vacuum measured by number of rotations per minute. The source of vacuum has a liquid-ring screw pump driven by an electric motor. Number of rotations per minute of each motor in the system is controlled by means of a programmable logical controller. The controller is programmed to maintain the one first source of vacuum as connected, until it reaches the specified maximum number of rotations per minute, with subsequent connection of the next, second, source of vacuum, if the vacuum system requires higher efficiency of pumping. The programmable logical controller may also be programmed to control the number of rotations per minute for each source so that sources operate with identical speed of rotation in the range from least or highest number of rotations per minute depending on the required vacuum, but with connection of the additional source of vacuum, when higher efficiency is required.
EFFECT: efficient method to control vacuum pumps or other sources of vacuum in a vacuum sewage system.
4 cl, 4 dwg
SUBSTANCE: invention is related to elements of drainage systems. A drainage system element has a concrete body open on top, which surrounds a drainage channel. The drainage system element represents a gutter element with an extended body, which is U-shaped in the section across the axis of the gutter. The body comprises basalt fibres joined in bundles and arranged in the body along and/or across the gutter axis. Bundles are joined into a net. The net is arranged in the form of a U letter in the U-shaped body around the gutter channel in a vertical part. The body comprises spacers from basalt, stretching from a net to a gutter channel and/or at least to one external side of the body.
EFFECT: invention provides for high mechanical strength of a drainage system and lower susceptibility to corrosion.
SUBSTANCE: device to separate running water arriving from a drain pipe and divert this water into a pipe for contaminated water and a pipe for rain water, comprises the first channel of running water, having an overflow partition, limiting water flow arriving from the drain pipe and sending it into the pipe for contaminated pipe. The device also comprises the second channel sending water flowing over the overflow partition, into the pipe for rain water, a separating wall to block water going through the first channel, to form chambers of water diversion separated in the first channel and a throttling part formed in the separating wall. The method for separation of running water consists in using the device for its separation. At the same time, when running water flow arriving from the drain pipe is higher than the specified flow rate, it is sent into the pipe for contaminated water along the first channel. Water flow is throttled by means of the throttling part, and running water accumulated in chambers of water drain and flowing over the overflow partition, is sent into the pipe for rain water along the second channel. The waste water system comprises the first and second devices to separate running water arriving from the drain pipe. The second device is connected to the first one by means of the first pipe so that a part of water separated by the first device is sent to the second device along the first pipe to separate this part of water. The system also comprises a device to treat running water connected to the second device by means of the second pipe so that a part of this water separated by the second device is sent to the device for treatment along the second pipe, the device for water accumulation connected to the second device by means of the third pipe and connected to the device for water treatment by means of the fourth pipe so that a part of water separated by the second device is sent to the device for water accumulation along the third pipe for temporary water accumulation and its drainage into the device for treatment along the fourth pipe. Besides, the first device comprises the following components: the first channel with the overflow partition limiting water flow arriving from the drain pipe and sending water, which does not flow over the partition, into the first pipe; the second channel sending running water into the water area, arriving from the drain pipe and flowing over the partition; the separating wall for blocking of running water sending via the first channel, to form chambers of water drainage separated in the first channel, and the throttling part formed in the separating wall to throttle water flow passing from one drain chamber into the other one. The second device comprises the following components: the first channel including the overflow partition limiting water flow arriving from the first pipe and sending running water arriving from the first pipe and not flowing over the overflow partition, into the second pipe; the second channel sending water arriving from the first pipe and flowing over the partition, into the third pipe; the separating wall for blocking of water going through the first channel, to form chambers of water drain separated in the first channel, and the throttling part formed in the separating wall to throttle water flow passing from one drain chamber to the other chamber.
EFFECT: increased efficiency and simplification of design.
13 cl, 29 dwg
SUBSTANCE: complex comprises a bath with a sink and a small oven on a foundation with a boiler built into it to heat water and a receiving hopper for used water, to which a sewage pipe is laid as inclined in the ground from the bath and the sink. The receiving hopper is located near the foundation for the small oven. At the same in the foundation in earth at the side of the receiving hopper there is a canopy deepened additionally by 0.5-1 m.
EFFECT: higher speed of drainage, lower leakage of water under a foundation and efficient earth use.
SUBSTANCE: device comprises rain gutters (2), water intake funnels (3), drain pipes (4), a storm water outfall (7), filtering wells (16) and a subsurface accumulating reservoir (18). Drain pipes (4) are equipped with discharge parts with mini-hydroturbines (6). Power generated by mini-hydroturbines is sent to accumulator batteries. The storm water outfall is arranged below the level of the earth surface and is an extension of discharge parts of drain pipes. The filtering material is an ash and slag sorbent.
EFFECT: design will make it possible to prevent gradual damage of building basement and foundation elements due to availability of a subsurface storm water outfall.
4 cl, 2 dwg
SUBSTANCE: system comprises a toilet, a vacuum sewage pipeline connected to a toilet, a discharge valve, the first pump accessory, the second pump accessory. In the vacuum sewage pipeline there is a linear separation device. The vacuum sewage pipeline is connected to the toilet. The discharge valve is installed between the toilet and the vacuum sewage pipeline. The discharge valve is made as capable of opening in process of toilet usage. The first pump accessory and the second pump accessory are connected in parallel with the linear separation device. The linear separation device has a vacuum level between the specified high level and the specified low level. The first pump accessory is arranged as capable of removing air, and the second pump accessory is arranged as capable of pumping, mainly, sewage from a waste water flow leaking into the linear separation device. The vacuum sewage system comprises a pressure gauge. The pressure gauge is connected to the vacuum sewage pipeline. The method includes application of a vacuum sewage system.
EFFECT: higher efficiency of waste water transportation.
14 cl, 3 dwg
SUBSTANCE: system of sewage comprises receiving 1 and collecting reservoir 2, siphons 3, units of gas discharge with vacuum pumps 5 in vacuum columns arranged in upper parts of siphons. System includes at least two siphons connected to one receiving reservoir and one collecting reservoir, each siphon is equipped with a separate vacuum pump.
EFFECT: invention provides for control of liquid level in receiving chambers.
5 cl, 2 dwg
FIELD: packaging industry.
SUBSTANCE: device for waste disposal includes sewage system, garbage pressing network, pumping up, and magistral stations, made with the possibility of filing and disposal of debris under excessive pressure. The garbage pressing network station comprises a garbage crusher, fluid supply device and a pressure machine. The garbage pressing network station is connected to sewage pipeline with garbage pressing booster station, which in turn is connected by magistral sewage pipeline with garbage pressing magistral station connected by magistral pipeline with a garbage disposal site.
EFFECT: invention enables to improve environmental and sanitary-epidemiological efficacy at garbage disposal and recycling.
SUBSTANCE: invention is related to the sphere of sanitaryware equipment. System of adaptation of material pneumatic transportation mode comprises at least one first reservoir, which is connected to source of the first pressure, at least one second reservoir, which is connected to source of the second pressure. Also system includes connection line for transportation of material from the first reservoir into the second reservoir, pressure reduction gear, with the help of which difference may be controlled between pressure in the first reservoir and pressure in the second reservoir, and compressor between source of the second pressure and the second reservoir for development of negative pressure in the second reservoir. Method for adaptation of material pneumatic transportation mode comprises the following stages: connection of at least one first reservoir to source of the first pressure, connection of at least one second reservoir to the source of the second pressure, transportation of material from the first reservoir to the second reservoir. Also pressure reduction gear is controlled to change the difference between the pressure in the first reservoir and pressure in the second reservoir and reduction of pressure in the second reservoir with the help of compressor in case when difference between the first pressure and the second pressure is not sufficient for material transportation.
EFFECT: higher efficiency; reduction of noise.
36 cl, 3 dwg
FIELD: oil and gas industry.
SUBSTANCE: group of inventions refers to oil-refining and oil-producing industry, namely to drain recovery and flooding systems and keeping of formation pressure in oil-field development. The method involves oil production from various beds, keeping of formation pressure by injection of refinery mineralised water as a working substance in the beds. According to the invention, there is specified a group of injection wells striking the beds with the delivery chinks which have opened layers, containing local water of various physical and chemical properties and various reservoir features. Before injection of the working substance, physical and chemical properties of the working substance and local water are checked. Potential sediment formation is estimated and, as the case may be, the working substance flow is directed to the bed with minimum permissible sediment formation. In flow variation, the working substance is drained in the bed - an interlayer with high reservoir features. The device - system comprises the producing wells having struck the various beds, water conduits, pumps, a water source for injection in the bed for keeping of formation pressure, the injection wells having struck the beds containing local water with various physical and chemical properties and various reservoir features combined in a group with a general water conduit collector connected to a water drainage line for refinery discharge. According to the invention, the water conduit collector is provided with an analysis block of physical and chemical characteristics of the working substance, and the water conduits have flow switches. Said analysis block of physical and chemical characteristics of the working substance and switches are functionally interconnected through a computing and managing unit - controller for comparing physical and chemical characteristics of the working substance and local waters.
EFFECT: lower injectability loss of payout beds, and enabled recovery of refinery mineralized water drain.
2 cl, 2 tbl, 1 dwg
SUBSTANCE: invention can be used at nonferrous metallurgical companies and in the gold mining industry to treat cyanide-containing pulp and waste water formed when processing ore and concentrates and containing minerals in solid phase. To carry out the method, cyanide-containing pulp is treated while stirring with "active" chlorine, which is periodically or continuously fed into the reaction zone. The "active" chlorine is fed such that its concentration in the liquid phase of the pulp does not exceed 10 mg/l and the redox potential is 50-200 mV, and the pulp is held in these conditions for 0.5-3 hours. Treatment is carried out in non-temperature controlled reactors with simultaneous constant and/or pulsed supply of "active" chlorine and an alkaline agent.
EFFECT: method does not require heating and/or temperature control and provides thorough removal of cyanides, thiocyanates and heavy metals with minimal reagent consumption.
FIELD: oil and gas industry.
SUBSTANCE: invention is related to the method for oil sludge decontamination; it can be used in technology of integrated processing for oil-containing wastes and soils formed, in particular, in result of operation of oil-trunk pipelines. The method for oil sludge decontamination includes receipt of decontaminating compound by removal from oil sludge of heavy fraction containing high-molecular hydrocarbons, mixing of the above fraction with the reagent based on oxides of alkali-earth metals, performance of exothermal reaction with receipt of granules containing high-molecular hydrocarbons and use of the above granules for filtration of water fraction from oil sludge with further decontamination. Granules of decontaminating compound are obtained with high content of high-molecular hydrocarbons in quantity of at least 15-25 wt %; for filtration of water fraction from oil sludge the above granules are used in a mixture with an expanded-clay aggregate; thereafter the granules contaminated after filtration and mixed with the expanded-clay aggregate and remaining fractions of oil sludge are mixed with the reagent based on oxides of alkali-earth metals and reactions of hydratation and carbonisation are performed with receipt of the decontaminated product.
EFFECT: improving productivity of filtration process by 15-20%, providing higher bearing force of the final product when using it as construction material, coefficient of sorbent end capacity is equal to 1,2-1,4.
8 cl, 1 tbl, 1 ex
SUBSTANCE: inventions can be used for purification of sewage water, formed in the process of obtaining aromatic carboxylic acids from compounds of heavy metals. To realise the method sewage water is brought into contact with particles of chelating resin, with coefficient of homogeneity 1.4 or lower, with pH of sewage water constituting 5.1-5.9 and rate of sewage water flow being 5-14 m/hour. Value of decrease of adsorption capacity of chelating resin by Cu constitutes 11% a month or less. Regeneration of chelating resin is performed with aqueous solution of hydrogen bromide with concentration from 7.1% to 19% by weight. In preferable versions of method realisation temperature of purifies sewage water constitutes from 51°C to 59°C, adsorption capacity of chelating resin by Cu constitutes 0.5 mmol/ml or more, and regeneration liquid is redirected into the system of oxidation reaction in obtaining aromatic carboxylic acids.
EFFECT: inventions ensure efficient removal of ions of heavy metals with their low concentrations in purified sewage water.
11 cl, 3 dwg, 1 tbl, 4 ex
SUBSTANCE: water filter based on obtaining melt drinking water includes zones of water freezing, displacement of admixtures from ice front and concentration of admixtures in form of brine, transfer of water from solid state into liquid, placed successively in one longitudinal vessel 1. Ring freezing chamber 2, after which is drive device 4 of longitudinal travel of frozen water rod 3 mounted, is installed in freezing zone. In zone of displacement of admixtures in center of frozen rod 3 is placed dissociative device 6, after which ring heating element 11 is placed, is located in zone of admixture displacement on the centre of frozen rod 3. Drive device 4 is equipped with additional amplifiers of travel of frozen rod 3, made in form of drive screws 15, placed in longitudinal vessel 1 and passing through zones of water freezing, admixture displacement and water transfer from solid state into liquid one. Position of drive screws 15 relative to longitudinal vessel is provided by bearings of sliding 16, placed outside longitudinal vessel 1.
EFFECT: increased productivity and serviceability of water filter.
2 cl, 1 dwg
SUBSTANCE: method includes contact of ferromagnetic carbon sorbent with water and extraction of pollutant-saturated sorbent by magnetic separation, and as ferromagnetic carbon sorbent applied is iron-carbon composite, which contains 30-60 wt % of iron, milled in presence of surface-active substance to particle size 0.1-1 mcm, obtained mass is suspended in water by ultrasonic processing in mode of cavitation until obtaining aggregative- and sedimentation- stable suspension, which contains 10-30 wt % of composite, which is introduced into water to be purified in such quantity that weight concentration of composite in water to be purified 2-40 times exceeds weight concentration of pollutant.
EFFECT: increase of water purification degree.
3 cl, 1 dwg, 2 tbl
FIELD: machine building.
SUBSTANCE: flotation-filtration plant comprises an intake filter 1, a suction pipeline 2, a check valve 8, a pump unit 3, an ejector 4 connected to a bypass pipeline 5 and installed at the inlet of the pump unit 3, a flotation cell 22 with a filter 29 and a layer of filtering bed 30. A protective grid is installed at the inlet of the ejector 4. The ejector 4 is connected to a two-stage saturator 15, 16. The second saturator stage through the check valve is connected to a distribution manifold 21 by nozzles 20 which are set in the upper part of the flotation cell 22 with the latter comprising a scraper unit 25, a tray 26 and an overflow tube connected to the upper part of the filter while the filter is fitted with a layer of adsorbing filtering bed which is held by a supporting frame 31 and a pressing frame 32. An adsorbent is made as a cylindrical ring with two hemispherical surfaces being fixed on the side surface of the adsorbent opposite each other so that diametral planes of the hemispheres coincide with the upper and lower bases of the cylindrical ring respectively and the vertices of the hemispherical surfaces are turned to each other.
EFFECT: invention allows for improvement of waste water treatment efficiency up to the level providing for multiple reuse of the said water.
2 cl, 2 dwg
SUBSTANCE: plant comprises connected with a horizontal shaft hollow drum with holes on its surface and with a central hollow sealed container with a diameter more than a quarter of the drum diameter. The drum volume free from the container is filled with granules of a nozzle made of a material inert to the action of oil-products with a density less than 1 g/cm3. The plant design provides immersion of the drum for at least half its diameter in the purified water. The plant is made with the ability to rotate the drum due to the energy of waves of the water area.
EFFECT: improving the environmental situation in the area of cleaning the surface of the water body from pollution by oil and oil products, while maintaining the natural biocenosis of the water body.
FIELD: oil and gas industry.
SUBSTANCE: invention relates to production of soft water for injection into bed. The method includes: (a) production of soft water by means of (i) delivery of source water having total dissolved-solids content up to 15000 mg/l and polyvalent cations content more than 40 mg/l to the filter containing a layer of cation-exchange resin in polyvalent cation form; (ii) passage of source water through the layer of cation-exchange resin; (iii) output of soft water for injection from the filter, at that polyvalent cations content in water is up to 40 mg/l; (b) regeneration of cation-exchange resin by means of (i) delivery of regenerant solution to the filter, at that the regenerant solution is represented by natural water with high content of salts, high concentration of monovalent and polyvalent cations so that the softening limit for source water is equal up to 40 mg/l of polyvalent cations where the softening limit is defined as the softening coefficient multiplied by concentration of polyvalent cations in source water (mg/l) and where the softening coefficient is calculated in the following way: (molar concentration of monovalent cations in source water)2/(molar concentration of polyvalent cations in source water) : (molar concentration of monovalent cations in the regenerant solution)2/(molar concentration of polyvalent cations in the regenerant solution).
EFFECT: intensification of hydrocarbons extraction from the bed.
24 cl, 3 dwg, 1 tbl, 1 ex
SUBSTANCE: waste water is treated with a titanium-aluminium coagulant. The obtained gravitational sediment of the formed suspension is separated from the purified water. The source of the titanium-aluminium coagulant used is waste water from the step of washing isoprene rubber with water from a catalyst based on titanium and aluminium compounds with weight ratio Ti/Al of not less than 0.3. The coagulant dose in terms of titanium and aluminium ions is not less than 50 mg/l of the treated water, and the mixture of waste water and the coagulant is held at pH 4.5-9.0 and temperature of 30-45°C.
EFFECT: method provides an effective, simple and cheap technique of purifying waste water from synthetic anionic surfactants to a quality which enables to deliver said water for biological treatment.
FIELD: process engineering.
SUBSTANCE: invention relates to water supply particularly to treatment of water from surface sources by ozone and can be used in municipal water supply decontamination systems. Contact reservoir comprises pressure compartment with water feed system and drain compartment with water discharge system. Besides, it comprises ozone-gas mix feed system, residual ozone destruction and bleed system, gas dispersing elements arranged at contact reservoir bottom and equipped with water flow swirlers composed by centrifugal nozzles. Inlets of the latter are communicated with water feed system to ensure a required water differential pressure at said nozzles. Outlet nozzles composed by circular slots are arranged above perforated surface of gas dispersing elements and in parallel therewith. Nozzle atomisers allow the wash-off by flat water jet of originating ozone-gas mix bubbles of reduced size and increased absorption of ozone by water. Systems to feed untreated water to drain compartment are composed by perforated pipes mounted atop the contact reservoir, level with water level and in parallel one with another, with their one end plugged. Open ends of said pipes are communicated with either pressure or drain compartment. At bottom, nearby dispersing elements as transverse perforated web with its chamber communicated with either pressure or drain compartment, nozzle inlets are communicated with pipes whereto water flows from pressure compartment. Note here that said gas dispersing elements are composed by usual discs arranged regularly in contact tank cross-section to make water passages and servicing sites. In compliance with first version (fig. 1) perforated pipe open end at tank top section is communicated with pressure compartment. Chamber above perforated web is communicated with drain compartment. This version ensures counterflow of water and ozone-gas mix. In compliance with second version (fig. 2), perforated pipe open ends at tank top section are communicated with drain compartment while chamber above perforated web communicates with contact tank pressure compartment. This version ensures cocurrent flows of water and ozone-gas mix. In compliance with both versions, inlets of centrifugal nozzles at gas dispersing elements are communicated with contact tank pressure compartment.
EFFECT: simplified design, lower costs, simple assembly and servicing.
2 cl, 2 dwg
FIELD: devices for purification of household and industrial sewage.
SUBSTANCE: the invention is dealt with devices for purification of household and industrial sewage and intended for electrical and cavitational treatment of sewage containing a large quantity of organic compounds. The device for purification of sewage consists of a body made out of a dielectric material partitioned by diaphragms for two electrode chambers and one working chamber, that contains a filtering material. The electrode chambers have cavitational field sources installed and the working chamber is supplied with a the bubbler installed in it. The technical result consists in an increase of recuperation of the filtering material at the expense of application of a cavitational field to it, decrease of the microbiological semination, and an increase of cavitational effect on particles.
EFFECT: the invention ensures an increase of the filtering material recuperation, decreased microbiological semination and increased the cavitational effect on particles.