Method of methanol recovery from gas-vapour mixture at its storage and transshipment
FIELD: oil and gas industry.
SUBSTANCE: invention is related to the method of methanol recovery from gas-vapour mixture at its storage and transhipment and may be used in chemical industry, petrochemical industry, oil and gas producing and processing industries. The method includes extraction of vapours from the gas-vapour mixture in the plant vessel, cooling of the gas-vapour mixture and condensation of vapours in the vapour-condensing unit, condensate return to the vessel and emptying of the vessel. At that cooling of the gas-vapour mixture in the vapour-condensing unit consisting of a vessel for cooled methanol and a packed column installed on it is made to counter-flow interaction of the gas-vapour mixture containing vapours of methanol cooled up to the temperature within the range of minus 25 up to minus 36°C at pressure close to atmosphere pressure when condensed methanol is returned to the vessel for cooled methanol.
EFFECT: method allows increasing quality of storage due to recovery and return of methanol vapours to the vessel.
1 dwg, 1 tbl
The invention relates to the production of methanol and can be used in chemical, petrochemical, oil refining and oil and gas industry.
The known method for the preparation of natural gas with methanol obtaining, including the selection of gas under pressure of 5.0-7.0 MPa from the pipeline, then it drossellied to a pressure of 3.0-4.5 MPa, and then select 15-25% of the gas drossellied it up to a pressure of 0.4-1.2 MPa and use the gas as fuel, and the main stream of gas with a pressure of 3.0-4.5 MPa is sent to the heater for heating the gas in the heater. Heated gas bassereau, is subjected to catalytic conversion of obtaining the converted gas, disposed of heat converted gas komprimiert it, carry out the synthesis of methanol circulation unreacted gas and heat recovery last, separating the condensed methanol (patent RU №2404116, IPC SW 3/38, SS 31/04, publ. 20.11.2010).
The disadvantage of this method is the pollution of the environment, as the purification of methanol is due to the combustion and emission in the atmosphere.
The closest in technical essence and the achieved result is a way of returning the vapors in the installation of refueling, including the selection of the vapor gas mixture with pairs of fuel from the tank installation, gas cooling the second mixture and condensation of the fuel vapor in the block condensation of vapours, the return of condensate in the tank and emptying the tank, characterized in that the cooling of the gas mixture in the block condensing vapors produced by evaporation of liquid nitrogen, pairs of which fill the capacity of the installation during its emptying (patent RU №2114051, IPC B67D5/04, B67D5/378, B67D5/54, B67D5/60, B67D5/62, publ. 27.06.1998).
The disadvantage of the prototype is environmental pollution, disturbance ecology, as the cooling of the gas mixture in the block condensing vapors produced by evaporation of liquid nitrogen, pairs of which fill the capacity of the installation when it is emptying, nitrogen gas containing a small amount of fuel vapor, is discharged into the atmosphere through the check valve.
The task of the invention is the improvement of the environment and economy of methanol.
The technical result consists in increasing the quality of storage due to the capture and return of methanol vapor in the container.
The technical result is achieved in that the method of recovery of methanol from the gas-vapor mixture (CBC) during storage and handling includes the selection of vapor calibration gas from the tank installation, cooling the calibration gas and the condensation of vapor in the block of vapor condensation, the condensate return into the tank and emptying the vessel, and cooling the gas mixture in the block condensation of vapours, consisting of a tank of chilled methanol and set the run it Packed columns, produced due to the interaction of counter-current vapor-gas mixture containing vapors of methanol, cooled to a temperature in the range from minus 25 to minus 36°C methanol, at a pressure close to atmospheric, chilled and condensed methanol is returned in the capacity of chilled methanol.
The drawing shows an example of the proposed method, which shows the installation of gas cleaning.
The installation consists of a tank of chilled methanol 1, the Packed column 2, fan 3, 4, pump 5, and 6, the heat exchanger 7, the refrigeration unit 8, spark dispersion 9, filter 10, 11, non-return valves 12, 13, valves 14-19, counter liquid methanol 20.
The method is as follows.
Calibration gas containing methanol vapor pressure of 500 PA, comes from the tank farm storage of methanol through the fans 3, 4 in the capacity of chilled methanol 1. Pressure calibration gas before the fans 3, 4 is controlled and maintained by the bypass part thereof with discharge to the suction side through valve 14. When the pressure ASG to the value 1078 PA crashes reset, via shut-off and control valves 15, candle dispersion 9.
Calibration gas containing methanol vapor pressure of 2000 PA comes with loading racks of methanol in the capacity of chilled methanol 1. In case the repairs install vapor recovery of methanol from the gas mixture, Calibration gas containing methanol vapor, is directed to a candle dispersion 9, this circuit provides isolation valves 15, 16, 17, 18.
The calibration gas mixture containing methanol vapor, occurs in the upper part of the vessel cooled methanol 1 at a pressure close to atmospheric, from which it enters the lower part of the Packed column 2. In the upper part of the Packed column 2, countercurrent, served chilled in the temperature range from minus 25°C to minus 36°C liquid methanol, which acts as a refrigerant. The process of cooling and condensation of the methanol contained in the form of vapor in the gas phase, occurs at contact of chilled methanol with pairs of methanol in the gas phase, thus to increase the area of contact of the phases provided by the nozzle. Condensed from the gas phase methanol is mixed in the nozzle with the refrigerant (methanol supplied to the upper part of the Packed column 2) and flows into a tank of chilled methanol 1. Cooled in the temperature range from minus 19°C to minus 30°C the gas is drained from the upper part of the Packed column 2 through a candle dispersion 9.
The cooling liquid methanol (refrigerant) occurs in the heat exchanger 7 by means of the refrigeration unit 8.
The supply and circulation of liquid methanol (refrigerant) is performed by means of the pumps 5, 6. Piping pumps means: on nagatani the check valves 12, 13, inlet filters 10, 11. When the upper operating level in the tank of chilled methanol 1, opens valves 19 and is pumping the condensed methanol for the production of methanol, which is carried out by means of a counter liquid methanol 20.
The degree of purification of gas-vapor mixture from methanol depending on the temperature range of the refrigerant and the temperature of the exit gas is presented in table No. 1.
|Table No. 1|
|The temperature of the treated gas at the outlet of the Packed column, °C||The residual methanol content in the gas mixture, % (vol.)|
|The temperature of the refrigerant (methanol), °C||The temperature difference, Δt, °C||The degree of purification of the gas mixture, %|
The method of recovery of methanol from the gas mixture during storage and handling, including the selection of the vapor gas mixture from the tank installation, cooling the gas-vapor mixture and the condensation of vapor in the block of vapor condensation, the condensate return into the tank and emptying the tank, characterized in that the cooling of the gas mixture in the block condensation of vapours, consisting of a tank of chilled methanol and installed the Packed column is produced by the interaction of the counter-current gas-vapor mixture containing vapors of methanol cooled to a temperature in the range from minus 25 to minus 36°C methanol, at a pressure close to atmospheric, chilled and the condensed methanol is returned in the capacity of chilled methanol.
SUBSTANCE: method is realised by a contact of a feeding flow, enriched with hydrogen and carbon monoxide, with a catalyst of methanol synthesis. The obtained in this way technological flow is cooled, condensed and subjected to separation into a gas phase and a liquid phase with raw methanol. As the feeding flow used is synthesis-gas, obtained by steam gasification of charcoal, representing a product of pyrolysis of preliminarily dried wood wastes. Before the contact of the feeding flow with the catalyst, containing in a mole ratio CuO:ZnO:Cr2O3:MnO:MgO:Al2O3:BaO, equal to 1:0.3:(0.15-0.2):(0.05-0.1):(0.05-0.1):(0.25-0.3):0.05 respectively, its compressing to pressure 3.5-4.5 MPa is performed. After that the flow is supplied into a reactor, where a temperature of 250-300°C is supported due to evaporation of recycled water, released from raw methanol, with steam from recycled water from the reactor being directed to charcoal gasification. Cooling of the technological flow is realised conductively from the feeding flow, and condensation is performed by throttling. After separation the gas phase is divided into two flows, one flow is directed for combustion into a pyrolysis chamber, and the second flow is directed to ejection with a ratio of the gas flow to the feeding flow equal to 10:1, respectively.
EFFECT: invention makes it possible to obtain methanol in a waste-free environmentally friendly way without application of additional energy resources.
SUBSTANCE: invention relates to an improved method of producing methanol, dimethyl ether and low-carbon olefin from synthesis gas. The method includes a step of contacting synthesis gas with a catalyst under conditions for converting the synthesis gas into methanol, dimethyl ether, and low-carbon olefins, characterised, wherein the catalyst contains an amorphous alloy consisting of components M-P, M-B or M-B-P, wherein component M represents two or more elements selected from lanthanides and the third, fourth and fifth series of groups IIIA, IVA, VA, IB, IIB, IVB, VB, VIB, VIIB and VIII of the Periodic Table of Elements.
EFFECT: method increases selectivity of the target product by conducting the process in conditions which ensure high conversion of CO and availability of carbon.
16 cl, 3 dwg, 3 tbl, 11 ex
SUBSTANCE: invention describes a methanol synthesis method which comprises conversion of hydrocarbon-containing material to obtain synthesis gas (1) containing carbon monoxide and hydrogen and a reaction between components of fresh synthesis gas in a synthesis loop (10) to obtain raw methanol and removing hydrogen-containing purge gas (20) from the synthesis loop. The purge gas is heated by heat recuperation via indirect heat exchange with at least one high-temperature heat source in said method, said heat source being adapted to heat purge gas to temperature not lower than 200°C to obtain a heated purge gas (33), and said heated purge gas, as such, is expanded in a corresponding expander (34), and energy is obtained due to expansion of the purge gas in the expander, wherein said high-temperature heat source used is hot waste gas from the conversion process, wherein the material is converted to fresh synthesis gas (1) or a stream of hot steam. The invention also relates to a methanol synthesis apparatus and a method of reconstructing a methanol synthesis apparatus.
EFFECT: disclosed objects improve overall energy balance of the process.
13 cl, 2 dwg, 2 ex
SUBSTANCE: invention relates to an improved method for synthesis of methanol, wherein raw methanol (101) is obtained in a synthesis section and purified in a distillation section (D) to obtain pure methanol (104), a stream (103) of instantaneously escaping gas and by-products (105, 106). At least a portion of said stream (103) of instantaneously escaping gas is treated to separate from said gas a stream (110) containing methanol, and that methanol-containing stream (110) is returned to the distillation section (D) to increase pure methanol production volume, wherein pressure of at least a portion of the stream (103) of the instantaneously escaping gas is raised before treating the stream (103) of the instantaneously escaping gas to separate the methanol-containing stream. The invention also relates to an apparatus for carrying out said method and a method of renovating said apparatus.
EFFECT: method enables to increase pure methanol production volume, safe power consumption and reduce emission of pollutants.
10 cl, 3 dwg, 2 tbl, 2 ex
FIELD: oil and gas industry.
SUBSTANCE: method includes heating of source natural gas, mixing of superheated steam with source natural gas, one-stage conversion of gas and steam mixture in reformer to converted gas, cooling of converted gas and its division into two flows. The first flow is subject to one-stage catalytic conversion to methanol while the second flow is subject to catalytic synthesis with production of liquefied hydrocarbon gas which is sent to conversion together with source natural gas and liquid hydrocarbons subjected to stabilisation in rectification tower. Plant for implementation of the above method is suggested also in order to produce synthetic liquid hydrocarbons and methanol; the plant is integrated into production train facilities.
EFFECT: effective coproduction of methanol and synthetic liquid hydrocarbons in the same flow diagram during processing.
15 cl, 1 dwg
FIELD: oil and gas industry.
SUBSTANCE: invention refers to a method and a plant for methanol production from gas of gas deposits and gas-condensate deposits through synthesis gas using excess heat of the main process of methanol recovery from water-methanol solution returned after inhibition of hydrate formation in a system of collection, treatment and further transport of gas of a complex gas treatment plant (CGTP). Method involves catalytic steam reforming process of gas, heat recovery of converted and flue gases, separation, drying, compression of synthesis gas, synthesis of methanol from synthesis gas on low-temperature catalyst, separation of crude methanol and rectification of methanol, and in addition, stages of methanol recovery from water-methanol solution used in the complex gas treatment plant as a hydrate formation inhibitor and mixing of methanol-rectificate with recovered methanol. In addition, the plant includes a methanol recovery unit and a mixing assembly of synthesised methanol-rectificate and recovered methanol.
EFFECT: creation of an efficient method combining production and recovery of methanol within the framework of a single complex plant; improvement of economic indices of the methanol plant; improvement of quality and reduction of prime cost of methanol production, and elimination of additional environmental gas production risks.
24 cl, 1 dwg
SUBSTANCE: invention relates to a method for direct conversion of lower C1-C4 paraffins to oxygenates such as alcohols and aldehydes, which are valuable intermediate products of organic synthesis and can be used as components of engine fuel and/or starting material for producing synthetic gasoline and other engine fuels. The method involves passing a mixture consisting of a lower paraffin or oxygen, diluted with an inert gas or air or pure oxygen, through a catalyst bed at temperature not higher than 350°C. The catalyst used is a catalyst system for heterogeneous reactions, which contains microfibre of a high-silica support and at least one active element, the active element being in form of either a MeOxHalv composite or a EwMezOxHaly composite, wherein the element Me in both composites is selected from a group which includes transition metals of groups 5-12 and periods 4 and 5, or elements of lanthanum or lanthanide groups or, preferably, ruthenium; element Hal is one of the halogens: fluorine, chlorine, bromine, iodine, but preferably chlorine; element E in the EwMezOxHaly composite is selected from a group which includes alkali, alkali-earth elements, or hydrogen, and indices w, z, x and y are weight fractions of elements in given composites and can vary in the following ranges: z - from 0.12 to 0.80, x - from 0.013 to 0.34, y - from 0.14 to 0.74, w - from 0 to 0.50.
EFFECT: method enables to achieve high degree of conversion of starting reactants and high selectivity of formation of alcohols.
4 cl, 15 ex
SUBSTANCE: present invention relates to a method of producing methanol by bringing a feed stream rich in hydrogen and carbon monoxide in a reactor into contact with a methanol synthesis catalyst to obtain a process stream, followed by cooling thereof, condensation and separation into a gas phase and a liquid phase with crude methanol. The feed stream used is cleaned gas which is obtained by direct-flow gasification of wood processing wastes. The feed stream is enriched with hydrogen by controlled electrolysis of recycled water before bringing the feed stream into contact with a catalyst containing the following, wt %: copper oxide 62, zinc oxide 31, aluminium oxide 7. The feed stream is compressed to pressure of 4.5-5 MPa and then divided into two streams. One stream is fed into the reactor onto the catalyst for contacting through a heat exchanger which simultaneously cools the process stream. The other stream is fed directed onto the catalyst for contacting and reaction temperature is maintained at 250-270°C. After final cooling of the process stream in the still residue of the distillation apparatus, it is separated by throttling into a gas phase and a liquid phase. After separation, the gas phase is divided into two streams. One stream is fed for oxidation into a direct-flow gasifier and the other is mixed with the feed stream before compression.
EFFECT: invention enables to obtain the desired product via a wasteless method using one readily available catalyst.
FIELD: process engineering.
SUBSTANCE: invention relates to production of natural gas and gas condensate treatment in the field. Proposed method comprises WMS degassing, separating free condensate from WMS, heating WMS in regenerator, methanol recovery from WMS in rectifier, cooling methanol vapors, their condensation and draining into reflux collection tank, feeding collected methanol into tower for refluxing and discharging excess methanol into storehouse. Note here that at all gas fields of the deposit, apart from one, WMS is pre-distilled to increase methanol concentration to level sufficient for its safe transfer via pipelines without freezing and transferred to head WMS high recovery installation to produce commercial methanol for reuse. WMS high recovery installation is located at one of gas fields selected with due allowance for WMS transport logistics.
EFFECT: higher quality and lower costs, increased yield, decreased harmful environmental effects.
2 cl, 1 dwg
SUBSTANCE: invention relates to the method for production of methanol from synthesis gas, including a stage of synthesis gas compression, a stage of catalytic conversion of synthesis gas into methanol in a reactor unit, comprising several catalytic reactors, including operations of heating and conversion of synthesis gas into methanol in each reactor, an operation of reaction products cooling and methanol release after each reactor, an operation of end gases recycling. Besides, the process is carried out under various pressures and with catalysts loaded into reactors with alternating activity under axial and/or radial direction of reagent flow in catalytic reactors in the temperature range of 160-290°C, pressure range of 3-15 MPa, volume speeds of flow 500-10000 hr-1.
EFFECT: method makes it possible to increase efficiency of the process and to produce raw methanol of high quality.
5 cl, 2 ex, 2 dwg
FIELD: power industry.
SUBSTANCE: condenser consists of the main and inner housings, annular distribution grid, pipe surfaces of condensate cooling, cooling water supply and discharge manifolds. Cooling water supply and discharge manifolds are designed as pipes of larger diameter than the pipe surfaces of condensate cooling. Pipe surfaces of condensate cooling are designed in the form of helically twisted coil pipes twisted to the centre in one horizontal plane and untwisted in another horizontal plane.
EFFECT: high heat exchange capacity, ease of manufacture and assembly.
FIELD: process engineering.
SUBSTANCE: invention relates to nuclear power engineering. Complex comprises air intake means, compressor connected with air cooling heat exchanger, turbine expander, water and air transfer means with valves and accessories. This complex has nuclear power generator. Air intake means is composed by 200 m-high tower with air intake openings arranged over tower height. Air cooling heat exchanger is composed of condenser connected with drip pan. Note here that both are arranged to allow discharging of condensate into primary condensate pool. Turbine expander is connected with water chamber equipped with sprayer and communicated with secondary condensate pool and reused water heat exchanger communicated with nuclear power generator.
EFFECT: higher efficiency.
5 cl, 1 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to gas cleaning and may be used in various industries for separating aerosol particles, including submicron particles, from flows. Proposed filter comprises porous precipitation electrode arranged between inlet and outlet along gas flow being cleaned, isolated ioniser wires connected to power supply are arranged on the side of and along said gas low, and baffle plate composed of closed chamber expanding toward outlet and arranged outside and long precipitation electrode. Filter may incorporate generator of fine fluid drops connected by its outlet with filter inlet. Said filter exploits energy of ionic wind to force gas flow there through. Said fine fluid drops attracts aerosol particles in electric field of corona discharge to up cleaning efficiency. Gas flow is forced by energy of ionic wind through porous precipitation electrode. Fluid drops are trapped by porous electrode surface while cleaned gas is reflected by deflector surface to escape from the filter.
EFFECT: perfected design.
FIELD: process engineering.
SUBSTANCE: invention relates to food, chemical and pharmaceutical industries, particularly, to production of ethanol and similar products. Proposed method comprises heating raw product in vessel to boiling. Separate vapor fractions being formed are discharged via appropriate bypass valves outside said vessel. Formed vapor fractions are fed via unions and branch pipes communicated with bypass valves into condensers. Condensers serve to collect condensate of every separate fraction.
EFFECT: higher quality of finished product.
FIELD: process engineering.
SUBSTANCE: invention relates to steam-gas mix condensation in evaporators, condensers intended for concentration and cooling of solutions, producing desalinated water, and may be used in chemical, microbiological and food industries, etc. Proposed method consists in producing condensate on cooled surface by creating the mix of circulations vortices caused by boundary layer breakaway behind streamlined bodies. Note here that circulation vortices are created to flow along cooled surface at steam-gas mix Reynolds number in lengthwise direction making Re=ud/v=103-105.
EFFECT: higher intensity of condensation.
2 cl, 7 dwg, 5 ex
FIELD: technological processes.
SUBSTANCE: invention is related for storage of oil products or low boiling (highly inflammable) liquids, used in oil, petrochemical and oil processing industries. The plant for trapping vapours from reservoirs connected by a piping system for storage/transportation of oil products comprises reservoirs in the form of a tank with an oil product or a highly inflammable liquid combined with a gas balancing line, a receiver (a gasholder), the output of which by condensate is connected to the lower part of the reservoir-condensate collector and connected sensors of limit vacuum and excessive pressure values, a gas blower-injector connected to the lint of gas supply of a receiver on a bypass line with a valve, and with its output by gas connected via a check valve to an evaporator-heat exchanger, with a pressure controller installed at the output, and a refrigerating machine for PVA cooling and condensation in the evaporator-heat exchanger connected by means of a check valve with the reservoir-condensate collector. The evaporator-heat exchanger is made of two stages, the first of which serves to cool PVA down to temperature of +0.5…+1°C, and the second one - down to the temperature from -60 to -30°C. The first stage has a device of water separation and drainage equipped with a hydraulic lock.
EFFECT: increased extent of hydrocarbons extraction, wide range of application and low power inputs.
13 cl, 4 dwg
FIELD: process engineering.
SUBSTANCE: proposed device comprises evaporator incorporating heat exchanger with tube bundle with its side with pure distillate communicated with separator intended for separating distillate from supernatant organic phase or similar unbound fluid components. Separator and said heat exchanger are directly communicated so that fluid levels in separator and evaporator get normally equalised. Separator incorporates level regulator to open pressure release valve in fluid level drop and close said valve in fluid level increase.
EFFECT: higher quality of distillation.
11 cl, 2 dwg
FIELD: technological processes.
SUBSTANCE: method to extract water from air includes formation of atmospheric air flow and cooling of formed air flow in a condenser channel. Air flow is used to blow water condensed along the condenser's channel. At the same time turbulence is developed in air flow, and some condensed water is sprayed in it. Condensate is drained from the condenser at intervals of specified length along the condenser channel. The device comprises a unit for formation of air flow with a water sprayer and a condenser, a control unit. The unit of atmospheric air flow formation additionally includes an air heater and is arranged with the possibility to heat air and dose sprayed water. The unit of atmospheric air flow formation is connected to a control unit. The condenser includes at least two sections arranged in series along the formed air flow. Each section is arranged with the possibility to drain water condensed in it. The condenser is arranged in the form of a box with flat hollow elements. Elements are arranged with the possibility to circulate cooling agent in them and are installed in the box with the possibility of air flow passing in between them. Flat hollow elements are installed in the box horizontally or at the angle to horizon one under another. The elements are installed with the possibility of their serial exposure to the air flow that flows via gaps between side edges of flat elements and appropriate box walls. Walls of hollow flat elements are arranged as corrugated with corrugate alignment across the air flow direction or at the angle to it.
EFFECT: increased efficiency in process of water extraction from air and efficient usage of cooling agent.
10 cl, 2 dwg
SUBSTANCE: invention relates to machine building and can be used for keeping cryogenic fluid, and to method of vapour condensation. Proposed reservoir gas bottom part to keep cryogenic liquid and vapour chamber formed at reservoir top. It comprises condenser to condense formed vapour by direct heat exchange with cryogenic liquid fed into said reservoir. Condenser comprises contact adapter to bring vapour and fluid in contact. Said adapter comprises top and bottom parts. Top part is open toward vapour space to allow influx of formed vapour into adapter, while bottom part allows fluid medium to flow into reservoir bottom part. Reservoir comprises cryogenic fluid feed source, independent of reservoir, cryogenic fluid inlet orifice to feed it into said contact adapter top part and outlet orifice to remove cryogenic fluid from reservoir bottom. Method to condense vapour formed in said reservoir is realised with the help of condenser fitted inside reservoir. Condenser comprises contact adapter to bring vapour and fluid in contact. Method comprises overcooling of cryogenic fluid and feeding said fluid into contact adapter to bring fluid and vapour in contact. Formed vapour is condensed in said adapter due to direct heat exchange with fed cryogenic fluid.
EFFECT: simplified design.
20 cl, 4 dwg
SUBSTANCE: capillary condenser includes housing with upper and lower covers. Between upper and lower covers there arranged are vertical rectangular partitions connected to each other next but one in pairs from below with horizontal straps-bottoms, thus forming steam chambers, and from above they are connected to each other next but one also in pairs with horizontal straps-bottoms, thus forming condensate storage chambers. Each vertical partition consists of several vertical perforated plates arranged with a gap relative to each other and covered with a layer of hydrophilic material or made from it. Holes are made in plates in the form of horizontal conical capillaries located so that small holes of conical capillaries of the preceding plate are located opposite large holes of conical capillaries of the next plate. The plates of vertical partitions face with large holes of conical capillaries the cavity of each steam chamber. The plates of vertical partitions face with small holes of conical capillaries the cavity of each condensate storage chamber.
EFFECT: simplifying the construction, improving operating reliability and efficiency of capillary condenser.
FIELD: waste water treatment.
SUBSTANCE: process comprises following stages: (i) treating waste water by way of evaporation in multi-unit evaporation apparatus to produce vaporous top fraction and liquid bottom fraction containing nonvolatile impurities and (ii) condensing at least part of vaporous top fraction into liquid stream, which is subjected to treatment consisting in distilling off volatile fractions to convert them into top cut containing volatile overflow organic material, and cleaned water in the form of bottom liquid stream.
EFFECT: created cleaned water stream, which can be reused in the process or be subjected to subsequent biological treatment to produce water pure enough to meet all environmental standards for surface water.
9 cl, 3 dwg, 1 tbl