Physical or chemical processes or apparatus in general (B01)

B01            Physical or chemical processes or apparatus in general(53924)
ethod for obtaining of sorbent for solid surfaces and water purification from oil and liquid oil products // 2642799
FIELD: chemistry.SUBSTANCE: Kamennoyarsky gaize of the Astrakhan region, containing (%) SiO2 - 86.2; Al2O3 - 4.15; Fe2O3 - 1.56; TiO2 - 0.2; K2O - 1.2; CaO - 1; Na2O to 0.5; MgO to 1, is taken as the raw material. The gaize is dried at a temperature of 100°C, crushed, sifted and fractions of different sizes are separated. Crushed gaize fraction recommended as a sorbent should contain 75% of particles with a size of 0.001 to 0.1 mm with residual humidity of 2-5%.EFFECT: invention expands the spectrum of sorbents obtained from natural gaize.3 tbl, 3 ex

Discharge camera for plasma chemical reactions // 2642798
FIELD: electricity.SUBSTANCE: discharge chamber includes two coaxial electrodes, a dielectric barrier and removable discharge initiators, installed on one of the electrodes. The dielectric barrier is located between the electrodes with gaps relative to each of the electrodes. The discharge initiators enter the annular grooves made in the electrode. The gap of H size between the dielectric barrier and the electrode with the grooves is filled with a flowing working gas. The discharge initiators are fixed in the paired annular grooves with removable clamping elements in such a way that the distance L between the areas of the above initiators, facing in the direction of the dielectric barrier, and the dielectric barrier satisfies the condition 0.25H≤L≤0.5H. The gap between the dielectric barrier and the other electrode is filled with a circulating electrically-conductive fluid.EFFECT: increase of the maximum capacity of the discharge chamber on the initiated barrier discharge of a repetitively pulsed action.4 cl, 6 dwg
ethod for obtaining enantioselective sorbent // 2642796
FIELD: chemistry.SUBSTANCE: method consists in modifying the graphitized thermal soot Carboblack C or the inert carrier Inerton NAW with the supramolecular structure of cyanuric acid. Modification is carried out at 30-60°C in a water-alcohol solution with mechanical stirring at an intensity of 500 rpm. The resulting sorbent is dried.EFFECT: invention provides a sorbent with a high selectivity in the separation of 2-chlorobutane, 2 bromobutane, 2-butanol, and 2 pentanol.8 ex

Submersible flat devices for direct osmosis // 2642794
FIELD: chemistry.SUBSTANCE: membrane device for direct osmosis is suitable for immersion in a pool for evaporation of salt water under the influence of solar radiation to pre-concentrate the brine. The membrane has a flat device configuration and includes a flat membrane base having the first and the second sides; the first flat membrane attached in parallel to the first side of the base; the second flat membrane attached in parallel to the second side of the base; the first channel for the flow between the first side of the base and the first membrane, where the first channel for flow has an input side and an output side; the second channel for the flow between the second side of the base and the second membrane, where the second channel for the flow has an input side and an output side; where the membranes around the perimeter are pressed, welded or glued to the base, the input for the inert in the conjunction with the input sides of the first and the second channels for the flow and the output for the inert in the conjunction with the output sides of the first and the second channels for the flow, while the channels for the flow are formed with a woven mesh that is inserted and fixed between the base and membranes.EFFECT: concentration of brines with a high degree of salt concentration, reduced energy consumption, reduction of production areas.5 cl, 9 dwg, 2 ex
Copper-zinc-chrome-aluminium catalyst production method // 2642788
FIELD: chemistry.SUBSTANCE: invention can be used for low-temperature methanol synthesis, hydrogenation of nitrobenzene, dehydrogenation of cyclohexanol to cyclohexanone in caprolactam production. A method of producing a copper-zinc-chromium-aluminium catalyst is carried out by mixing a solution of ammonium carbonate complex of copper with zinc and aluminium compounds followed by drying, calcining, and pelletizing the catalyst mass, characterized zinc oxide and powder of aluminium oxide γ-modified with a grinding of less than 100 µm is gradually introduced into the ammonia-carbonate complex solution of copper, the resulting suspension with a ratio of solid: liquid, equal to 1.0:(12.0-15.0) is heated under stirring in the temperature range of 60-90°C to obtain a mass ratio solid: liquid equal to 1.0:(0.01-0.5), then chromic anhydride or an aqueous solution is introduced, the formed chromium-containing mass is homogenized at a temperature in the interval of 70-90°C, dried, calcined at a temperature of generating a catalyst in which chromium is in the oxidation state of Cr3+ and Cr6+, and the content of Cr6+ and Cr3+ is in relation Cr6/Cr3+, equal to 0.13 and 0.8, preferably 0.39-0.55, and pelletized.EFFECT: creation of a simple and economical technology for the preparation of a mixed copper-zinc-chromium-aluminium catalyst, which does not have harmful wastewater and gas emissions, and provides a highly active stable catalyst.2 tbl, 19 ex

Improved cleaning from sulfur dioxide // 2642668
FIELD: chemistry.SUBSTANCE: method includes providing the off-gas of the melting furnace, separating sulfur dioxide from the exhaust gas to produce concentrated sulfur dioxide and exhaust gas for venting, mixing the concentrated sulfur dioxide with the fuel gas, heating the resulting mixture of fuel gas and sulfur dioxide by burning the fuel gas, contained in a mixture of fuel gas and sulfur dioxide, with oxygen so that the concentrated sulfur dioxide and fuel gas are reacted to form a mixture of gaseous products containing sulfur and hydrogen sulphide and removing most thereof, preferably substantially all of sulfur and substantially all of hydrogen sulfide from the gaseous product mixture, with the remaining mixture of gaseous products being post-burned prior to release into the atmosphere.EFFECT: invention provides a high efficiency of the sulfur extraction, the ability to use the remaining mixture of gaseous products, to reduce the fuel consumption and the absence of losses.26 cl, 2 dwg, 1 tbl

Device for desalination of sea water // 2642658
FIELD: machine engineering.SUBSTANCE: device for desalination of sea water includes a body located inside and fixed on the frame structure with a suction valve, and a valve for discharging concentrate by a plunger pump, the movement of vertically arranged plunger working on reverse osmosis principle and containing a coiled flexible material that is twisted in shape of cylindrical pipe which is a reverse osmosis membrane, to the lower position passing beyond the limits of the body under the action of its weight, and lifting to the upper position is performed by a flexible coupling, one end of the lifting device is connected to the lower end of the plunger, and at the other end connected to a source of unidirectional intermittent motion in the form of sea wave energy converter.EFFECT: simplified design and improved reliability.8 cl, 1 dwg
embrane extractor // 2642641
FIELD: machine engineering.SUBSTANCE: device for intensification of extraction process in the liquid-liquid system includes a body of the membrane extractor, an inner network partition with a membrane, circulation pumps, hydrodynamic ultrasonic radiators, an inlet branch pipe with a cock for liquid with extractable component, an outlet branch pipe with a cock for liquid after extraction of extracted component therefrom and diversion of branch pipe to supply liquid for circulation, an inlet branch pipe with a cock for extractant, an outlet branch pipe with a cock for extractant with extraction and diversion of branch pipe to supply the extractant for circulation.EFFECT: acceleration of membrane extraction process.1 dwg

Disposable system for sterile obtaining of lipids and nucleic acids particles // 2642640
FIELD: pharmacology.SUBSTANCE: group of inventions discloses a system for sterile obtaining of lipids and nucleic acids nanoparticles and method for sterile obtaining of lipids and nucleic acids nanoparticles.EFFECT: group of inventions allows to obtain uniform lipid and nucleic acid particles by simple steps, reproducible and under aseptic conditions, and can be used to deliver this class of therapeutic molecules to target cells.23 cl, 13 tbl, 7 ex, 1 dwg
ethod for producing water dispersion of carbon nanoparticles from shungit // 2642632
FIELD: chemistry.SUBSTANCE: first the shungite rock is chopped. The obtained shungite powder is poured with water at a ratio of the weight of the shungite powder to the mass of water of 1: 2 and left to stand for three days, after which it is filtered. The remaining powder of shungite is dried and dispersed in water using grinding bodies with a diameter of 1-3 mm at a ratio of the mass of the shungite powder to the mass of water and the mass of grinding bodies 1: 4: 3 for 60 minutes. Then the mixture is filtered, the shungite powder is dried. Then dispersing and filtering the shungite powder is carried out in water by ultrasound in the ratio of the mass of the shungite powder to the mass of water 1:20, a frequency of 22 kHz and power of 1000 W for 35 minutes. The resulting water dispersion of carbon nanoparticles is centrifuged for 15 minutes at 10000 rpm.EFFECT: increasing the stability of water dispersion of carbon nanoparticles during storage.2 tbl

ethod of absorption of gases and device therefor // 2642630
FIELD: chemistry; technological processes.SUBSTANCE: invention relates to mass-transfer methods for liquid extraction of gas mixture components and can be used in mass-transfer equipment in the chemical industry. Device for implementing the method according to claim 1, comprising an installation consisting of six chambers, aeration columns are installed in bubbling chambers, packing chambers are filled with spherical elements, scattering reflectors and acoustic ultrasonic dispersers are installed in irrigation chambers, characterised by that, the bubble chamber of stage I is divided by a partition into final and main bubbling chambers, and ceramic dispersers and/or ultrasonic Hartmann whistles are installed therein; an absorbent discharge tube is connected to the final chamber; and to the main chamber of stage I and bubbling chamber of stage IV are connected circulating pumps, pressure pipelines of which are connected to the scattering reflectors of the chambers of stages III and IV, which irrigate the loading elements of the packing chambers of stages II and V; discharge line of the absorbent supply pump is connected to an acoustic ultrasonic disperser installed in stage IV irrigation chamber and to the pressure line of the circulation pump connected to the bubbling chamber of stage VI.EFFECT: technical result is to ensure the achievement of the effect of the final solubility of gas molecules in a liquid with maximum absorption of hard-to-extract gas components; automation of technological processes helps to reduce energy costs.4 cl, 1 dwg
ethod for obtaining porous magnetic sorbent // 2642629
FIELD: chemistry.SUBSTANCE: method for obtaining a porous magnetic sorbent of petroleum products is proposed. According to the invention, the synthesis of calcium monosilicate of the xonotlite structure is carried out by the interaction in the solution of calcium chloride and sodium silicate in the presence of a silane-siloxane microemulsion with obtaining hydrophobizated hydrogel. A previously obtained magnetic phase of iron oxides, represented by wuestite and maghemite is introduced into the volume of hydrogel. The said magnetic phase is precipitated with an excess of ammonium hydroxide from a mixture of solutions of salts of trivalent and ferrous iron at a ratio of Fe3+ /Fe2+, equal to 2:1. The resulting mixture is maintained until a stable hydrated precipitate is formed in the form of gel, washed and dried.EFFECT: invention provides an improvement in the operating properties of the sorbent.3 cl
Dump packing for mass exchange strings // 2642572
FIELD: machine engineering.SUBSTANCE: dump packing is made of metal grid with elements in the form of a cylinder with inner central partition, in which the upper and lower edges and the partition have evenly arranged teeth of certain height and an angle at the base.EFFECT: designing elements with said teeth results in increase of separating capacity of nozzle and reduction of scale transition factor with preservation of throughput capacity for different strings, liquids and modes.4 dwg, 2 tbl
ethod for obtaining hydrophobic oil sorbent // 2642566
FIELD: chemistry.SUBSTANCE: method for obtaining an oil sorbent is proposed. Sodium silicate is sprayed onto the diatomite crumb pre-baked at a temperature of 600-800°C. After spraying the sodium silicate, the resulting product is placed in a polyethylene bag, sealed and held for 17 to 24 hours until the hydrophobic film is completely formed.EFFECT: obtaining a cheap effective sorbent of oil products.4 ex, 3 tbl
ethod for producing of unsaturated polyester resins aqueous emulsion // 2642564
FIELD: technological processes.SUBSTANCE: invention relates to an unsaturated polyester resin aqueous emulsion production method, intended for use as a film-forming component of the lubricant applied to the surface of elementary fibers (filaments) when forming a complex yarn during the manufacturing of glass, basalt and carbon fibers. Method is implemented by introducing an unsaturated polyester resin with a molecular weight of 1,000–1,200, a poly-condensation product of glycols with phthalic anhydride and allomaleic acid, not containing an active styrene diluent, with constant stirring at a speed of 1,000–6,000 rpm at room temperature into a non-ionic surfactant aqueous solution, which is a high molecular weight block co-polymer of ethylene oxide and propylene oxide, and after the end of feeding the named resin, the emulsification is continued for 10–40 minutes. Emulsion production formulation comprises, by weight: unsaturated polyester resin 100, block co-polymer of ethylene oxide and propylene oxide 8–15, water 50–150.EFFECT: ensuring uniformity of emulsions, high colloidal-chemical resistance, high dispersity and the possibility of using glass and basalt fibers in production.1 cl, 2 tbl

Device and method of microwave-induced plasma treatment of generator gas // 2642563
FIELD: machine engineering.SUBSTANCE: device comprises a tubular filtering layer chamber, a tubular microwave chamber located above the filtering layer chamber, a first catalytic chamber connected to the microwave chamber and located further relative to it, and a second catalytic chamber connected to the first catalytic chamber. Filtering layer chamber comprises an inlet hole for carbon-based material, which is located in the upper half of the filtering layer chamber, and an outlet opening for the spent carbon. The microwave chamber comprises a permeable top containing a microwave absorbing material, waveguides arranged around the perimeter, through which the microwaves can be introduced into the device, a magnetron and an isolator attached to each waveguide.EFFECT: efficient removal of resins and other impurities from generator gas and production of higher fractions of pure gas.30 cl, 4 dwg

ulti-stage aeration installation // 2642562
FIELD: chemistry.SUBSTANCE: multi-stage aeration installation includes at least three vertically oriented aeration units containing the first aeration unit, which receives the mixture of liquid and gas from a source gas and a liquid and two or more located below the aeration units. Each aeration unit forms a vertically elongated aeration chamber comprising an upper inlet and a lower outlet. The lower outlet of each of the aeration units delivers a fluid stream containing liquid and gas to the upper inlet located below one of the aeration units. One or more of the aeration units located below contain an inlet for additional gas. Each aeration unit includes an aeration head connected to the upper inlet and positioned in the space for the head located below the aeration unit so that the fluid stream passing through the upper inlet into the aeration chamber must pass through the aeration head. The aeration head aerates the liquid with gas in a fluid flow in the head space of the lower aeration unit.EFFECT: increasing the efficiency of the system, reducing the base area of the processing systems.16 cl, 4 dwg

ethod of distilling liquids in inert gas environment // 2642560
FIELD: chemistry.SUBSTANCE: invention can be used in the rectification of thermally unstable products, distillation of heavy oil residues, utilisation of oil sludge, production of unoxidized bitumen, distillation of glycerol, ethanolamines, glycols, separation of solvents from extracts and raffinates, evaporation of solutions, degassing of gas-liquid mixtures. The method for distilling liquids in an inert gas environment comprises introducing an initial mixture, withdrawing the separation products, introducing a non-condensable inert gas, heating the separation products, converting one or more components of the initial mixture into a gas phase, separating one or more of the gas phase, returning the inert gas to interact with the initial mixture. The ratio of the mass of the introduced inert gas to the mass of the inert gas providing, in aggregate with the vapours of the substance to be removed, the same volume of the vapour phase at the point of its introduction, as in the process without the introduced inert gas at a lower pressure at the same process temperature, is 0.5-5.0. The introduction and/or withdrawal of the inert gas is carried out in several stages during the separation of the initial mixture. The light-volatile component of the initial mixture is released from the inert gas by cooling.EFFECT: reducing the energy costs and environmental load, when separating mixtures without usinga low pressure and a high temperature.3 cl, 2 dwg, 3 tbl, 3 ex
ethod and unit for high-temperature gas mixture separation // 2642559
FIELD: heat and mass transfer devices.SUBSTANCE: group of inventions relates to heat and mass transfer devices. High-temperature gas mixture separation unit consists of a vertically oriented housing containing blocks of heat and mass exchange elements with internal space, made of alternating in shape lower and upper plates laid in a horizontal plane, gas mixture injection nozzle, steam injection nozzle, condensate discharge nozzle. Each unit has a vertically oriented housing, gas mixture injection nozzles, condensate discharge nozzles, installed in the bottom of the vertically oriented housing, steam injection nozzle installed in the upper part of the vertically oriented housing. Trays are cap-shaped, the caps are located on both sides of the tray and are formed between the shells attached to the tray at a certain distance from each other and having cutouts on the free edges, and in the area of attachment to the surface of the tray – holes for the extraction of condensate from under the caps. In the inner space of the lower and upper cap-shaped trays alternating in shape, the shells of the cap trays are also alternating with each other. In this case, the outer shell of the lower cap tray is made truncated and is located on one side of the surface of the tray, and the cap tray itself has a hole in the middle and is located in the unit, supported by the lower part of the vertically oriented housing with an extreme shell. Method of operation of the unit for high-temperature separation of a gas mixture consists in the separation of multi-component gas mixtures in the blocks of heat and mass exchange elements due to the direct mass and heat transfer between the steam and the mixture of gases. According to the method, a mixture of gases is injected into each unit from below and at a temperature above the steam temperature, steam is supplied to each section, by adjusting the supply rate of steam, the temperature in the unit is regulated, at which the gas of the required fractional composition condenses into the liquid and is discharged to the outside. At the same time, the combined-gas mixture in the unit passes along the trajectory of the repeated curvilinear channels of the internal space formed by the caps of the lower and upper cap-shaped trays, from the center to the edge and, rising – from the edge to the center; at the edge of the channel, at the lower part of the rise of the steam-gas mixture, the condensate, due to the centrifugal force, rushes to the wall of the vertically oriented housing and emerges to the outside, and the lighter particles of the steam-gas mixture move upward and then move from the edge to the center.EFFECT: technical result is an increase in the yield of hydrocarbons with a high condensation temperature.3 cl, 7 dwg

Catalyst of fisher-tropsh synthesis based on cobalt covered with mesoporous materials and method of its production // 2642451
FIELD: chemistry.SUBSTANCE: Fischer-Tropsch synthesis catalyst based on cobalt covered with a mesoporous material and method for its production are described. The catalyst comprises a silica medium, rich in the surface-active component of cobalt and a selective promoter of zirconium; from the outside, the active component of cobalt and a selective promoter of zirconium is covered with a layer of shell mesoporous material. The production method includes obtaining silica media saturated with zirconium, obtaining the primary Fischer-Tropsch synthesis catalyst based on cobalt on the silica medium, the preparation of the solution precursor of the mesoporous materials, further immersion, crystallization, washing, drying, and calcining to obtain the Fischer-Tropsch synthesis catalyst based on cobalt with a coating of the mesoporous materials. The active ingredient is covered and protected by a layer of the mesoporous material shell, the thickness of the shell is regulated, the catalyst has a long lifetime, a high reactivity, and a good stability. The pore structure of the mesoporous materials provides a channel for diffusion of CO and H2, the selectivity with respect to C5+ is high, and the selectivity with respect to methane is low. The catalyst is particularly suitable for slurry bubble column reactors or hull reactors with continuous mixing.EFFECT: increase in the catalyst activity.22 cl, 7 dwg, 3 tbl, 8 ex

Catalytic mixtures // 2642443
FIELD: chemistry.SUBSTANCE: invention relates to compositions of a catalyst for processing NOx in the spent gas from combustion of the lean fuel mixture consisting of a mixture of aluminosilicate molecular sieve with a DPA frame and the silica-alumina-phosphate molecular sieves with a DPA frame. Herewith in the declared composition, the aluminosilicate molecular sieve and the silica-alumina-phosphate molecular sieve present in the molar ratio of aluminosilicate: silica-alumina-phosphate from 0.8:1.0 to 1.2:1.0. The specified aluminosilicate molecular sieve includes the first extra-framework metal, the specified silica-alumina-phosphate molecular sieve includes the second extra-framework metal, where the said first and the second extra-framework metals are independently selected from the group comprising copper, iron, manganese, and combinations thereof, where the specified first extra-framework metal is present in an amount of 2 to 4 wt %, based on the weight of aluminosilicate, and where the mass ratio of the said first extra-framework metal and the said second extra-framework metal is from 0.4:1.0 to 1.5:1.0. The ratio of silica to alumina (SAR) in the said aluminosilicate is from 10 to 35.EFFECT: obtaining more durable and highly efficient SCR catalysts.14 cl, 4 dwg, 1 ex

ethod for obtaining concentrate of unsaturated alkyl-glycerine ethers from sea hydrobionts // 2642294
FIELD: food industry; pharmaceutical industry.SUBSTANCE: invention relates to the food and pharmaceutical industry, in particular to a process for the production of alkyl-glycerol esters (AGE) from marine fats. Method consists in that sea fats containing the AGE in their composition are subjected to hydrolysis to recover free fatty acids and release the unsaponifiable fraction, the mixture is neutralized with acid and crystallized from acetone to obtain a precipitate of saturated AGE, the remaining lipid mixture is evaporated, further, by chromatography on a column of silica gel and an eluting system of organic solvents, with increasing polarity, a total fraction of alkyl-glycerol esters is isolated, the solvent is evaporated, the mixture is dissolved in a non-polar organic solvent to a concentration of 0.5 to 2 % of alkyl glycerol esters and mixed with solutions of silver nitrate in 20–60 % aqueous ethanol with a non-polar:polar = 1:1–2.8, ratio, and the ratio of unsaturated alkyl-glycerols: AgNO3 = 1:3–7, mol/mol, stirred, centrifuged, the lower aqueous-ethanol layer separated, acidified with hydrochloric acid to precipitate the silver salt, filter the solution and evaporate the solvent to isolate the unsaturated alkyl-glycerol esters. Above described method takes into account the processes of interaction of silver salts with unsaturated organic compounds and allows using the advantages of this fact in the development of a simple technology for the concentration of unsaturated alkyl-glycerol esters.EFFECT: method is effective and economical for the production of unsaturated alkyl-glycerol esters from marine fats, providing not only high quality of the target product, but also the integrated use of valuable marine raw materials.4 cl, 2 dwg, 1 tbl

ethod of producing l-arginine nanocapsules // 2642233
FIELD: nanotechnologies.SUBSTANCE: invention relates to nanotechnology, namely to the method of producing L-arginine nanocapsules in sodium carboxymethyl cellulose. Method is characterized in that L-arginine is slowly added to the suspension of sodium carboxymethyl cellulose in methanol in the presence of 1 % of E472c preparation as a surfactant with stirring at 1,000 rpm, then 10 ml of petroleum ether is added, obtained suspension is filtered and dried at room temperature, the core/shell weight ratio being 1:1 or 1:3, or 5:1. Method ensures the simplification and acceleration of the process of producing nanocapsules, reduction in losses in the production of nanocapsules, and can be used in the food industry.EFFECT: method ensures the simplification and acceleration of the process of producing nanocapsules, reduction in losses in the production of nanocapsules, and can be used in the food industry.1 cl, 2 dwg, 4 ex

ethod of producing aecol nanocapsules // 2642232
FIELD: nanotechnologies.SUBSTANCE: invention relates to nanotechnology, particularly to method of producing AECOL nanocapsules in a xanthan envelope. Method is characterized in that AECOL is added to a suspension of xanthan gum in benzene in the presence of 0.01 g of E472c as a surfactant,then it is mixed at 1300 rpm, after 10 ml of carbon tetrachloride are added, after which obtained suspension is filtered and dried at room temperature, ratio of nucleus/shell is 1:1, or 1:3 or 3:1 or 1:5.EFFECT: method ensures the simplification and acceleration of the process of producing nanocapsules, reduction in losses in the production of nanocapsules, and can be used in the pharmaceutical and food industries.1 cl, 1 dwg, 5 ex
ethod of producing nanocapsules of dihydroquercetin in carrageenan // 2642230
FIELD: nanotechnologies.SUBSTANCE: invention relates to nanotechnology. Method for preparing nanocapsules of quercetin or dihydroquercetin in a coat of carrageenan is described. According to this method, quercetin or dihydroquercetin is added to a suspension of carrageenan in benzene in presence of 0.01 g of E472c as surfactant with stirring at 1000 rpm. Then, petroleum ether is added. Obtained suspension of nanocapsules is filtered off and dried at room temperature. Mass ratio of the core: the shell is 1:3 or 1:1.EFFECT: method provides simple and fast process of producing nanocapsules and increases mass output.1 cl, 2 dwg, 4 ex

Aqueous alkanolamine absorbing composition containing pyperazin for improved removal of hydrogen sulphide from gaseous mixtures, and method of its use // 2642071
FIELD: chemistry.SUBSTANCE: aqueous solution of alkanolamine to remove acid gases, including hydrogen sulfide from gaseous mixtures containing hydrogen sulfide, includes: (i) from 20 up to 50 weight percentage of 3-(dimethylamine)-1,2-propane diol or 3-(diethylamine)-1,2-propane diol, and (ii) from 2 to 10 weight percentage of piperazine. Weight percentage is taken based on the total weight of the aqueous solution of alkanolamine and wherein the said aqueous solution of alkanolamine does not contain orthophosphoric acid, phosphoric acid, hydrochloric acid, sulfuric acid, sulfurous acid, nitric acid, pyrophosphoric acid, tellurium acid, acetic acid, formic acid, adipic acid, benzoic acid, n-butane acid, monochloroacetic acid, citric acid, glutaric acid, lactic acid, malonic acid, oxalic acid, o-phthalic acid, succinic acid, o-toluic acid. A method for removing acid gases from a gas mixture is also disclosed.EFFECT: claimed aqueous amine solution provides removal of hydrogen sulfide and carbon dioxide at a lower consumption of the absorbent.6 cl, 1 tbl, 2 dwg

Catalyst, method of its use and installation for anti-waste deparafinization of hydrocarbon raw material // 2642058
FIELD: chemistry.SUBSTANCE: catalyst based on aluminosilicate zeolite ZSM-5, which is characterized by a molar ratio of SiO2/Al2O3, equal to 23-80, the residual content of sodium ions is less than 0.1% and modified with zinc oxide in an amount of 1.0-4.0 wt % (in terms of zinc). Modification of zeolite is carried out in three stages: in the first stage - by impregnation with a solution of acetate or zinc nitrate, in the second stage - by calcination zinc-containing zeolite at 300-600°C, and in the third stage - by treatment with a solution of ammonium fluoride. A method for the dewaxing of a hydrocarbon feedstock using the inventive catalyst is also provided. An installation for the non-hydrogen dewaxing of hydrocarbon feedstock charged with the claimed catalyst is also provided.EFFECT: increased activity and stability of the catalyst, increasing the yield of a high-quality target product in the dewaxing of raw materials with increasing the process productivity, as well as simplifying the installation, reducing its metal consumption, increasing safety at work.9 cl, 1 dwg, 2 tbl, 8 ex

Exhaust gas control apparatus // 2642013
FIELD: engines and pumps.SUBSTANCE: invention relates to purification of internal combustion engine exhaust gases. Exhaust gas composition control apparatus includes an exhaust passage, a urea water tank, a urea adding valve, a urea pump, a pipe, and an electronic control unit. Electronic control unit is configured to drive the urea pump to perform a filling control when a condition requiring an execution of urea water addition to the exhaust gas in the exhaust passage by the urea adding valve is satisfied so that the pipe is filled with the urea water. Electronic control unit is configured to execute filling control when an exhaust pressure of the exhaust passage is equal to or less than a specified value. Electronic control unit is configured to stop the filling control when the exhaust pressure of the exhaust passage exceeds the specified value during execution of filling control.EFFECT: invention will enables to prevent pump operation associated with an unnecessary filling operation.4 cl, 2 dwg
ethod for production of lappaconitine hydrobromide and lappaconitine // 2641967
FIELD: pharmacology.SUBSTANCE: method for production of lappaconitine hydrobromide and lappaconitine by extracting aconite roots with 70-80% by volume aqueous acetone, acetone distilling off from the extract, alkalizing, alkaloids extraction with an organic solvent and then distillation, while benzene or toluene are used as an organic solvent for alkaloids extraction from the alkaline solution, after solvent distillation, the residue is divided into parts, with one part of the residue treated with acetone or alcohol to release lappaconitine, the other part of the residue trested with ethanol and alcoholic solution of hydrobromic acid to release lappaconitine hydrobromide.EFFECT: increased yield and reduced number of process stages.5 ex
ethods of purifying fluid emulsion using microporous materials having filtration and adsorption properties // 2641929
FIELD: chemistry.SUBSTANCE: method for separating a stream of a fluid emulsion having a continuous aqueous phase into a hydrocarbon stream and an aqueous stream in which a stream of a fluid emulsion is passed through a microporous membrane to produce a hydrocarbon product stream and an aqueous product stream, the membrane comprises substantially a hydrophobic, polymer matrix and substantially a hydrophilic, finely divided, fine-grained, essentially water-insoluble filler distributed throughout the matrix. The polymer matrix has an average pore size of less than 1.0 micron, and the purity of the product streams is independent of the stream rate of the aqueous product and the pore size of the membrane.EFFECT: improving the efficiency of oil separation from water in real time.20 cl, 9 tbl

Gas flotation tank // 2641926
FIELD: oil and gas industry.SUBSTANCE: flotation tank (10) for removing foreign matter from fluid supplied thereto contains the lower part defining the bottom (50) of the tank (10), a wall (45) defining the sides of the tank; a row of adjacent chambers inside the tank separated from each other by separating walls (65), an oil-collecting chute (15) enclosing each chamber and separated from each chamber by an overflow gate (35). Each chamber has an inclined partition (40) communicating circular movement to fluid in the chamber. The overflow gate (35) is located opposite the inclined partition (40). One of the chambers of the row of adjacent chambers is in fluid communication with branch pipe inlet (20) located near the inclined partition (40) of the row of adjacent chambers. Each chamber is in fluid communication with adjacent chambers through a connecting channel (75) located in the lower part of the separating wall (65) of each chamber and opposite the oil-collecting chute (15). The connecting channel (75) is made for passing the fluid from the chamber to the back side of adjacent camera inclined partition (40). In the separating wall (65), a connecting hole (60) is made between two adjacent chambers. The channel is made in inclined partition (40) at least in one of chambers of the row of adjacent chambers (70) for passing fluid and made for passing flow of fluid between the adjacent chambers through the inclined partition (40) of at least camera. An outlet branch pipe is communicated with one of chambers of the row of adjacent chambers. The connecting hole and the fluid passage channel are provided alternate adjacent chambers.EFFECT: invention makes it possible to provide device for gas flotation preventing, reducing or limiting bypass of water with elimination or decrease of dependence on the connecting pipe.15 cl, 13 dwg
Sorption material, method of its production and method of its application // 2641924
FIELD: chemistry.SUBSTANCE: claimed sorption material contains a porous carrier, the functional groups on the surface of which are covalently bound to a ligand capable of forming strong complexes with bacterial endotoxins. The porous carrier is a pellet with a size of 50 to 900 microns, made of a polymer or a copolymer. The carrier is obtained on the basis of such monomers as acrylic acid, methacrylic acid, acrylamide, metakrilamid, methyl acrylate, methyl methacrylate, glicidil methacrylate, vinyl acetate, allilamin, sodium 2-metilprop-2-en-1-sulfonate, allylglycidyl ether, divinylbenzene, divinylbenzene, ethylene glycol, triethylene glycol dimetakrilat, N,N-bis (metakrilamid). The ligand for binding bacterial endotoxins is an amphiphilic organic compound containing primary and secondary amino groups and hydrophobic substituents. A method for the preparation of a new sorption material and its use for purifying an aqueous solution of protein or an aqueous saline solution or a solution of a blood plasma are proposed.EFFECT: obtaining new selective sorbents for purification of liquid media from bacterial endotoxins.3 cl, 2 tbl, 15 ex

Water purification plant // 2641923
FIELD: machine engineering.SUBSTANCE: water purification plant contains a programmable control unit 27, filters of coarse 1 and fine 2 mechanical purification, the first 3 and the second 4 reverse-osmosis membrane filters, a pump 5 for pumping water, an input 9 and an output 33 solenoid valves, an electronic pressure sensor 8; mounted in the pipeline on stream water meters 10, 11, 12 from the first to the third, the first 13 and the second 14 monitoring nodes of concentration of impurities in the water, the first 15 and the second 16 sensors of "dry running", a pressure relay 17 of purified water, a return valve 18, shut-off valves 19, 20, 21, 22 from the first to the fourth, pressure gauges 23, 24, 25, 26 from the first to the fourth, a UV radiation chamber 7.EFFECT: invention allows to obtain the purified water of the required quality at the outlet of the plant, depending on its further use.2 cl, 3 dwg
Dump packing for mass exchange strings // 2641920
FIELD: machine engineering.SUBSTANCE: dump packing is made of metal grid with elements in the form of a cylinder with inner central partition, in which the grid has corrugations with certain height, angle of corrugation and angle of corrugation inclination.EFFECT: increased of packing capacity and reduced scale transition factor with preservation of throughput capacity for different strings, liquids and modes.4 dwg, 2 tbl

Urea solution concentration in method of urea synthesis // 2641911
FIELD: chemistry.SUBSTANCE: urea-containing solution (13) is produced in the section (10) of synthesis, the solution is purified in the section (14) of extraction, and an aqueous solution (15) containing mostly urea and water, which is produced from the above-mentioned section of the extraction is subjected to the concentration process. Herewith the concentration process includes a separation step through an elective membrane.EFFECT: improvement of the current urea production process.9 cl, 1 dwg

Protected recovered metal catalyst // 2641906
FIELD: chemistry.SUBSTANCE: in accordance with the present invention, a method of producing a protected recovered supported metal catalyst in the form of a granule or paste in which the said supported catalyst is in the form of a powder comprises contacting and mixing the said powder of the supported catalyst with a liquid in an inert atmosphere in such a manner that substantially all the surface of practically all the powder particles of the supported catalyst is coated with liquid. In this case, the amount of liquid corresponds to up to five times the amount of liquid required on the basis of the moisture capacity. The said liquid is selected from the group consisting of liquid C10-C13-aliphatic hydrocarbons subjected to hydrodesulfurization of heavy naphtha, white spiritates, tetralin, and combinations thereof.EFFECT: fluid used to protect a catalyst against oxidation can easily be removed by distillation, these fluids not only protect the catalyst powder against oxidation, but also inhibit the spontaneous ignition of the protected catalyst.12 cl, 4 dwg, 12 ex

ethod for producing n- (phosphonomethyl) - glycine // 2641897
FIELD: chemistry.SUBSTANCE: invention relates to the method for producing N-(phosphonomethyl)-glycine used as a pesticide, an arboricide, an herbicide with a wide activity spectrum. The proposed method of producing N-(phosphonomethyl)-glycine by catalytic oxidation of N-alkyl-derivatives of N-(phosphonomethyl)-glycine in the presence of noble metals deposited on the carbon carriers, characterized in that hydrogen peroxide is used as an oxidant, and the nanosized particles of gold are used as a catalyst, deposited on the carbon carriers.EFFECT: new efficient method for producing a valuable product used in agriculture is proposed.7 cl, 1 dwg, 2 tbl, 23 ex

ethod for obtaining nanocarbon // 2641829
FIELD: nanotechnology.SUBSTANCE: method comprises supplying into the reaction chamber made in the form of a trunk, which is periodically closed at one end and opened at the other end, on the side of the closed end through a system of fast-acting valves and a mixer tap in the flowing mode of clean acetylene or with addition of oxygen, and then easily detonating acetylene-oxygen mixture, initiating detonation at the closed end of the chamber and after passing a detonation wave forming nanocarbon as a result of the detonative decomposition of the acetylene, wherein at the end of the cycle of nanocarbon production blowing the trunk with a gaseous hydrocarbon with a general formula CnH2n+2 or CnH2n, implementing frequency repetition of cycles in an automatic mode, and the obtained nanocarbon is collected in the manifold.EFFECT: obtaining nanocarbon of the required degree of purity by a high-productive method with increased efficiency of raw material use and explosion safety.2 dwg, 1 tbl, 1 ex

ethod of purifying waste water from molybdenum ions // 2641826
FIELD: chemistry.SUBSTANCE: treatment is performed with the reagent - waste of production, which is used as iron-containing clay with an iron content of 2 to 20%, or waste of metalworking in the form of chips of non-alloy steel with an iron content of 45 to 85%, pre-treated with sulfuric acid with a concentration of 0.01 to 0.1 N for 0.5 to 1 hours, followed by standing for 16 to 24 hours. The resulting sorption paste or sorbent is introduced into the waste water, continuously mixed for 50 minutes, then left to stand for 3 to 5 hours, and the precipitate is removed.EFFECT: invention allows with a high degree of the purification to remove molybdenum ions from wastewater using natural materials and wastes with a high iron content.2 dwg, 9 tbl, 6 ex

Filter for air cleaning // 2641824
FIELD: ventilation.SUBSTANCE: filter for air cleaning contains a body with a conical bottom made with a hole at the bottom, a cleaned air outlet fitting covered with a wire mesh and having a conical nozzle with grooves on the outer surface, air intake chambers made in the form of tapering subsonic nozzles with curvilinear grooves on the inner surface and having on the side of the air inlet a metal mesh, condensate trap, located in the body bottom opening, and a baffle, springed from the side of the cleaned air outlet fitting, connected to the guide rods by springs. The body of subsonic nozzles is made of bimetal and is provided with an annular groove placed on the inner surface on the side of metal mesh and connected to curvilinear grooves having a dovetail profile. The baffle plate is made porous on the side of cleaned air inlet in the form of tapering nozzles and solid on the side of cleaned air outlet. The inner surface of bottom opening in which the condensate trap is located is coated with a nanomaterial in the form of a glass-like film. The curvature of curvilinear grooves on the inner surface of tapering subsonic nozzles is made along the cycloid line as brachistochrone.EFFECT: maintenance of normalized power inputs for the production of compressed air for long-term operation by maintaining the constancy of aerodynamic resistance.7 dwg

Assembled filters, their elements and distinctive features, methods of their use and assembly // 2641818
FIELD: technological processes.SUBSTANCE: cartridge of the filter includes a packing and a radial seal of the housing including the first radially oriented sealing surface defining a non-circular configuration comprising of at least three radially outwardly projecting segments alternating with at least three segments directed radially inward which define a plurality of equidistant radially projecting protrusions alternating with recesses on the sealing surface, in the direction around and relative to the center of the cartridge end piece, on which the radial seal of the housing is located. The filter cartridge of the second embodiment comprises of a packing, the first end piece, mounted on the packing, and a housing seal located on the first end piece. The housing seal includes the first seal directed radially outwards, which comprises of the first sealing surface and the second seal, also directed radially outwards, that includes the second sealing surface. The first sealing surface comprises of at least a portion spaced from the second sealing surface by at least 10 mm in the radial direction. The filter cartridge of the third embodiment includes a packing with the first end and the second end, the first end piece including a locally moulded segment located at the first end of the packing, a seal support structure built into the first end piece. The seal support structure includes the first support ring integrated in the first end piece at a location adjacent to and distanced from the first sealing surface, the first sealing surface that is smaller than the outer circumference of the packing at the first end. The first end piece has the first and second radial sealing surfaces. The filter cartridge of the fourth embodiment comprises of a once-through structure including a packing having the first inlet end and an opposite outlet end, with the packing comprising of a corrugated material fastened to a substrate, a radial seal of the housing disposed at the first end of the packing and surrounding the central flow opening. The radial seal of the housing comprises of a radially directed sealing surface of the housing extending around the central hole and having a portion comprising of at least two convex segments, projecting radially and outwards relative to the hole and at least one concave segment, directed radially inwards and located between at least two convex segments projecting radially outwards. The assembled filter includes a housing provided with an inlet and an outlet for a gas flow and including a body and a process cover and a filter cartridge mounted in the housing in a ready-for-use and removable state.EFFECT: easy assembly, good sealing effect.30 cl, 111 dwg

ethod of producing choline hydroxide from trimethylamine and ethylenoxide // 2641815
FIELD: chemistry.SUBSTANCE: method includes feeding ethylene oxide, trimethylamine and water to the first reactor to produce the product of the first reactor under the controlled temperature conditions. The product of the first reactor is fed to the second reactor to produce the product of the second reactor under uncontrolled adiabatic conditions. All unreacted trimethylamine in the product of the second reactor is removed, resulting in a final product containing choline hydroxide.EFFECT: invention allows to minimize the production of by-products of monoethoxylated and diethoxylated choline in the product - choline hydroxide.23 cl, 3 dwg

Catalytic particle filter // 2641814
FIELD: machine engineering.SUBSTANCE: filter contains a flow substrate including a plurality of channels. The plurality of substrate channels comprises a plurality of input channels having an open input end and a closed output end and a plurality of output channels having a closed input end and an open output end. The inner walls surface of the plurality of inlet channels comprise a thin layer of at least one input coating composition comprising at least one refractory metal oxide, an optionally stabilized rare earth metal oxide. The outer surfaces of the inner walls of the plurality of outlet channels comprise a thin layer of at least one composition of the wall outlet coating comprising at least one refractory metal oxide, optionally a stabilized rare earth metal oxide. Coatings of the inlet and outlet channels may contain at least one catalytically active metal selected from the group consisting of platinum, palladium, iridium, rhodium, silver, gold, mixtures of any two or more thereof. The outlet coating length along the axis is greater than the inlet coating length along the axis. The invention also provides an exhaust system 40 comprising a catalytic particle filter 8 in accordance with the invention.EFFECT: reliability increase.45 cl, 3 dwg

Horizontal settler // 2641753
FIELD: construction.SUBSTANCE: horizontal settler includes a rectangular reservoir at the bottom of which a silt pit is made. In the upper and lower parts of the reservoir there are guide rails parallel to the walls of the reservoir. The horizontal settler also contains a blade as a scraper, guide rollers through which the cables of the respective electric winches are thrown. Inside the pit is a retractable sludge tray containing an axis that can be pivoted 180°, the top of the pit on the wall is a cable-tightened cable to the electric winch for hermetic closure of the silt pit.EFFECT: invention ensures the continuity of the settler, reduces the cleaning time, protects against floating waste, increases the reliability of the device.2 cl, 3 dwg

Device for separation of solids and liquids and method of their separation // 2641752
FIELD: technological processes.SUBSTANCE: separator of solids and liquids, which uses substance A and is capable of dissolving water and oil, and where the removal of water and oil from the object to be processes is performed, with the object being a mixture of water and solid or oil and solid substance, or water, oil and solid as an object to be processed and containing substance B, which circulates in a closed system, causing the state of change in the closed system, a compressor, which compresses substance B, the first heat exchanger where the exchange of heat condensation of substance B and evaporation heat of substance A, an extender for decompression, which returns condensed substance B to the state before compression, the second heat exchanger, in which the exchange of evaporation heat of substance B and condensation heat of substance A, processing tank, which blends substance A, condensed in the second heat exchanger after the evaporation of substance A and during the separation from water and oil in the first heat exchanger, and the object to be processed, and the pump for pumping substance A. The method for the separation of solids and liquids is claimed.EFFECT: increase in the efficiency of the change in the state of substance A.10 cl, 3 dwg

Greenhouse with cleaning and integrated waste gases recycling // 2641747
FIELD: heating system.SUBSTANCE: greenhouse includes the transit flue duct with bypass flue, the heat exchanger, the fan, the ejector, the ozon and air mixture distributor, connected to the ozon plant, the air/gas manifold, connected to the greenhouse body, equipped with the deflector. The oxidation chamber is installed after the ejector, it is equipped with the ozone-air mixture distributor and the hydraulic lock. The air/gas manifold is connected through its right and left branches to the greenhouse body, installed on the right and left rows of vertical plate heat exchangers, adjacent to the support posts with its end faces. Each vertical plate heat exchanger consists of the vertical rectangular body with the internal vertical partition, made of transparent material with high thermal conductivity and corrosion resistance. The vertical partition is installed with formation of the lower overflow slot. In the upper part of the body inner wall there is the horizontal distribution slot. In the upper part of the body outer wall there is the air/gas sleeve, connected to the right or left branch of the air/gas manifold. The body bottom has the condensate drain sleeve, connected to the right or left branch of the condensate manifold, connected to the oxidation chamber through the hydraulic lock and with anion filter.EFFECT: ecological efficiency increases of the green house with cleaning and integrated waste gases recycling.5 dwg
Filter material // 2641742
FIELD: machine engineering.SUBSTANCE: filter material consists of a core and a shell. The core is made of materials selected from glass, glass microsphere, glass microsphere or diatomite. The shell rolled on the core is made of diatomite or diatomite rock sintered at 700-1200°C.EFFECT: improved quality of the filter media.2 cl, 3 ex

Pneumatic system for dense loading of catalyst into bayonet tubes of steam reforming exchange reactor with use of auxiliary pipe for introduction of solid particles // 2641740
FIELD: machine engineering.SUBSTANCE: loading device includes at least one rigid auxiliary pipe (7) divided into a plurality of sections facing each other at the beginning of loading, an inner pipe (5) mounted inside an outer pipe (6), a central loading hopper (1) loading particles onto the vibrating or belt conveyor feeding the auxiliary pipe (7) through a funnel (3). Solid catalyst particles are introduced through the pipe (7) located inside space (4). Loading is carried out by free fall, crossed by the counter current gas flow introduced through the inner pipe (5) to slow down the fall of particles. When being filled, the pipe (7) is raised by means of extraction of sections, keeping distance relative to the layer surface.EFFECT: invention provides dense and uniform catalyst loading in each of the bayonet tubes of the exchange reactor.3 cl, 1 dwg, 1 tbl

ethod for separation of gas-liquid mixture and device for its implementation // 2641738
FIELD: oil and gas industry.SUBSTANCE: device for separation of water-oil emulsion contains a body (1), a batcher of mixture constant flow rate (8) installed at the inlet, an inlet pipe union (2) communicating with a mixture supply chamber (15), drain shelves (6) with alternating matching holes (17), unions (3, 4, 5) of gas, oil and water discharge with the drain shelves (6) attached to a shaft (14) driven by a drive (11) and a transmission (12). The emulsion is supplied at constant flow rate through pressure pipeline (7) via the feed chamber (15) into a gap between the two surfaces of the drain shelves (6). To create critical resonance thickness of emulsion boundary layer, one of the surfaces receives reciprocal or torsional vibrations. The mixture is subjected to shear stress by mutually opposite reciprocal motion of the drain shelves (6) parallel relatively each other. When passing through holes (17) of the drain shelves 6, emulsion acquires pulsating motion generating acoustic vibrations therein. The outlet flow rate between the drain shelves (6) should not exceed critical rate of cavitation development.EFFECT: increased efficiency of dewatering and desalting of water-oil emulsion.6 cl, 7 dwg
ethod for producing nanocrystalline powder of molybdenum oxycarbide // 2641737
FIELD: chemistry.SUBSTANCE: method of producing nanocrystalline powder of molybdenum oxycarbide includes evaporation of oxygen-containing compounds of molybdenum at a high temperature in an atmosphere containing an inert gas, followed by the condensation upon cooling. The powder of molybdenum trioxide is used as the oxygen-containing molybdenum compound, the evaporation is carried out in the presence of urea taken in the ratio of molybdenum trioxide: urea = 1:1, in terms of the plasma precondensation in the low-temperature nitrogen plasma at a temperature of 4000÷6000°C with the power of the plasma torch 2.4÷3.6 kWh at a flow rate of plasma 50÷55 m/s and a feed rate of powder of 150-200 g/h, and cooling is carried out in a stream of nitrogen, followed by the vortex cycloning and capture on the fabric filter.EFFECT: invention makes it possible to obtain molybdenum oxycarbide with a structure of the NaCl type without foreign impurities with a particle size of not more than 30 nm in an environmentally safe manner.2 ex, 2 dwg