Physical or chemical processes or apparatus in general (B01)

B01            Physical or chemical processes or apparatus in general(53106)
Process and device for treating catalyst discharged from bubbling bed hydrogenation of residual oil // 2607764
FIELD: chemistry.SUBSTANCE: invention relates to a method for treating a catalyst discharged from bubbling bed hydrogenation of residual oil. Method comprises following steps: (1) adjustment and control to reduce viscosity, wherein catalyst discharged intermittently from a bubbling bed hydrogenation reactor for residual oil, is adjusted for storage and then discharged continuously, subjected to temperature adjustment by adding water, such that viscosity of oil adsorbed on surfaces and inside pores of discharged catalyst particles is reduced, and flowability of adsorbed oil on surfaces and inside pores of the discharged catalyst particles is improved; (2) desorption and separation by rotational flow, wherein adsorbed oil is desorbed and separated from surfaces and inner pores of discharged catalyst particles by a flowing shear force from a rotational flow field; (3) separation and resource utilisation of three phase oil-water-catalyst, wherein oil/water/catalyst mixture produced from desorption and separation by rotational flow, is subjected to three-phase separation, achieving recovery of oil, recycling of water obtained by separation, and full recovery of solid particles obtained by separation. Invention also discloses a device for implementation of method.EFFECT: technical result consists in reduction of cost of treatment, simplified process, higher oil recovery factor, reduced tendency to formation of secondary sources of contamination.10 cl, 1 dwg, 1 ex
Centrifugal mixer // 2607748
FIELD: food industry.SUBSTANCE: invention relates to continuous-action devices for mixing of loose materials and can be used in food, chemical and other industries. Centrifugal mixer comprises vertical cone casing with discharge branch pipe, elliptical cover with loading branch pipe, shaft with blades and rotor, consisting of upper and lower hollow thin-wall truncated cones, interconnected along perimeter by large bases, along which six rectangular windows are located.EFFECT: invention provides intensification of mixing due to increasing of duration of material particles movement inside device, considerable reduction of segregation degree, higher quality of mixture.1 cl, 2 dwg
High-efficiency dynamic slurry-liquid-separating filtration apparatus and filtration method therefor // 2607745
FIELD: chemistry.SUBSTANCE: invention is intended for highly efficient dynamic slurry-liquid separation. Separator filter comprises cylinder body (1), filter pipe (2a) disposed in body, and a filter core disposed on filter pipe (2a), inlet (3) for material arranged on housing, outlet (4) for solid residue, located in lower part of housing, and outlet (5) for filtrate, located in middle-lower part of housing. Filter core comprises multiple filtration discs (2b) connected to pipe. Upper pipe end (2a) is connected to axis of rotation of variable-frequency motor (7). Upper part of housing and transfer shaft of motor are sealed by solid high pressure seal. Lower part of pipe (2a) is connected to pipe outlet (5) for filtrate by means of pipe connector (2c). Upper opening of pipe connector (2c) and rotating part connecting part of lower part of pipe (2a) of filter are sealed by solid high pressure seal. Lower part of pipe connector (2c) is sealed. Lower part of housing has a conical structure. Outer wall of housing is provided with layer (1a) of insulating jacket. Steam input (6) is located in middle-upper part of housing. Method for dynamic separation includes preliminary heating of filter, adding materials into housing, adjustment of rotation speed of filtration plates in range between 10 and 100 rpm, separation of filtration residue, discharge of filtrate. Filtering is continued and filter cake of filtration residue is allowed to accumulate on filter disc, achieving a certain thickness until pressure difference inside and outside filter pipe reaches 2.0 MPa. Increasing rotation speed of motor which drives filter disc to between 100 and 300 rpm, to remove filter cake of filtration residue from filter disc. When filter cake of filtration residue is removed from filter disc and pressure difference inside and outside is less than 50 kPa, rotational speed of motor is controlled. When filtering operation ends or filtration residue in lower part of filter needs to be released, filtration is stopped, filtration residue is removed for preparation of next filtration process.EFFECT: higher efficiency of filtration.9 cl, 3 dwg
Separation of multicomponent gas mixtures by short-cycle unheated adsorption with three-stage extraction of target gas of high purity // 2607735
FIELD: chemistry.SUBSTANCE: invention relates to chemical industry and can be used in production of nitrogen, oxygen and argon from atmospheric air. Method involves using multiple adsorption columns. Main columns (1, 2) are filled with adsorbent which absorbs non-target components of gas mixture, and auxiliary adsorption columns (3) are filled with adsorbent which absorbs target component of gas mixture. Raw gas mixture under excess pressure is fed into main adsorption columns (1, 2), after which end product-rich gas is moved into auxiliary adsorption columns (3), where adsorbent absorbs target gas. After that, target gas is separated from adsorbent and moved back into main adsorption columns (1, 2), where pressure of target gas is raised while bringing it to high purity. Adsorbents are selected so that saturation time of adsorbent in main adsorption columns is approximately twice longer than saturation time of adsorbent in one or more auxiliary adsorption columns.EFFECT: invention enables to reduce complexity of process diagram, overall dimensions and material consumption of plant.6 cl, 1 tbl, 1 dwg
ass exchange tower with cross current of liquid and gas (steam) phases of “peton” system // 2607730
FIELD: machine building.SUBSTANCE: invention relates to cross current packed heat-mass exchange towers, in which carried out processes of liquid-steam mixtures rectification separation, liquid-steam mixtures distillation, liquid-gas mixtures absorption separation. It can be used in oil processing, petrochemical, chemical, gas, food and other industries. Mass exchange tower with cross current of liquid and gas (steam) phases of “PETON” system includes housing, raw material supply union, distillate and residue vapors output, input of irrigation and vapors, cross current nozzle section, separated by height with horizontal support partitions, mated with liquid distributors made in form of set of steps, each of which is made of two conjugated face and drain plates, limiting cross current nozzle section, forming rectangular pocket in normal cross section. Step drain plate is equipped with perforated round holes, in each of which positive buoyancy rod is installed with possibility of free movement.EFFECT: technical result is development of highly efficient mass exchange column, in which sharp change of liquid phase flow rates is possible, providing at that considerable expansion of device stable operation range, and possibility to use of contact devices with different number of flows in single device.11 cl, 11 dwg
embrane concentration device // 2607664
FIELD: chemistry.SUBSTANCE: invention relates to separation, concentration of liquid food mediums with membrane methods and can be used in food, pharmaceutical and microbiological industry, as well as at plants of agroindustrial complex. Membrane device comprises casing with unions for removal of product, body with two circular slits and hollow stock with cone, to which moving shaft with blades is fastened, dividing membrane channel into four sectors, in three of which grid is placed, fixed to blades at certain distance from membrane. In fourth sector moving turbulators and guide for their ordered movement by flow of separated solution are located.EFFECT: invention provides intense cleaning of membrane surface, which increases efficiency of device.1 cl, 1 dwg
ethod of producing liquid sterile nutrient mediums for operation with cells of mammals // 2607648
FIELD: biochemistry.SUBSTANCE: invention relates to biochemistry. Method of producing liquid sterile nutrient medium is disclosed. Method involves dissolving of dry components of nutrient medium in optimum volumes of solvent and sterilization of obtained solutions. Dissolution is performed for 5–10 minutes in ultrasonic bath with generator frequency of 37 kHz and amplitude of oscillations in range from 5 to 20 microns. Sterilizing ultrafiltration is carried out using cascade of three series-arranged membrane filters with pore size of 0.45–0.22–0.1 mcm and efficiency of filtration from 100 to 1,000 ml/min.EFFECT: invention provides production of nutrient medium for cell biology in required volumes immediately before planned works, higher reliability and quality of operations with cells of mammals.3 cl, 1 tbl, 1 dwg
oulded catalyst for converting methanol into aromatic hydrocarbons and method of producing said catalyst // 2607633
FIELD: chemistry.SUBSTANCE: invention relates to a catalyst for converting methanol into aromatic hydrocarbons, method of producing said catalyst and method of converting methanol into aromatic hydrocarbons. Catalyst contains 85 to 99 parts by weight of zeolite ZSM-5, from 0.1 to 15 parts by weight of element M1, which is least one element selected from a group consisting of Ag, Zn and Ga, and from 0 to 5 parts by weight of element M2, which is at least one element selected from a group consisting of Mo, Cu, La, Ce and P, Co, wherein total specific surface area of catalyst is in range of 350–500 m2/g, and specific surface area of micro pores is within range of 200–350 m2/g. Method involves following steps: step I: mixing template agent I, an inorganic acid, silicon source, aluminium source, water, soluble compound of element M1 and, optionally, soluble compound of element M2 to obtain a mixture, converting mixture into gel with subsequent holding and drying of gel to obtain amorphous mixed silicon-aluminium mixed oxide precursor; step II: mixing silicon-aluminium mixed oxide precursor obtained at step I, with a crystal seed and binding agent, moulding and drying mixture to produce a moulded semi-finished product; and step III: crystallisation followed by calcination of moulded semi-finished product obtained at step (II), to obtain said catalyst. Catalyst is characterised by high values of total specific surface area, specific surface area of micro pores and micropore volume.EFFECT: results of reaction for synthesis of aromatic hydrocarbons from methanol using a catalyst, provided in present invention, demonstrated good catalytic activity.14 cl, 3 tbl, 25 ex
ethod of producing functionalised imaging agents with anti-stokes photoluminescence based on polyacrolein dispersions // 2607587
FIELD: chemistry.SUBSTANCE: invention relates to chemistry of high-molecular compounds and a method of producing imaging agents with anti-Stokes photoluminescence in form of an aqueous dispersion of polyacrolein particles, containing nano-sized anti-Stokes phosphors, by polymerisation of acrolein in aqueous alkaline medium, carried out in two steps, first of which comprises settling polymerisation, and at second step obtained product undergoes further radical polymerisation in presence of a water-soluble initiator K2S2O8, characterised by that first polymerisation step is carried out i presence of anti-Stokes phosphors in amount of 0.1–1.5 wt% with respect to monomer, pre-treated with tetramethylammonium hydroxide, which are used as a polymerisation initiator.EFFECT: invention makes it possible to encapsulate nanosized anti-Stokes phosphors in volume of polymer matrix, which protects optical properties of nanophosphors from biological media and provides colloid-chemical properties required for use as imaging agents in biological analysis and biological imaging. 1 cl, 1 tbl, 4 ex
ultilayer filtering and sorptive nonwoven material // 2607585
FIELD: textile.SUBSTANCE: invention relates to multilayer filtering and sorptive nonwoven materials. Disclosed is multilayer filtering and sorptive material, consisting of filtering part, sorptive part and outer reinforcing layer from woven or nonwoven material, arranged on one or two sides. Material filtering part contains 1–3 layers of nonwoven fibrous material, produced by aerodynamic moulding from polymer melt and containing mixture of fibres with diameter of 0.5–2.0 mqm and 2.0–4.0 mqm at their following ratio of 1.2–3.0, respectively. Sorptive part is 2-5 layers of nonwoven fibrous material, produced by aerodynamic moulding of polyurethane and polyacrylonitrile solutions mixture, filled with active solid filler particles with particles size ranging from 10 to 80 mqm.EFFECT: disclosed material has high dynamic sorptive activity by cyclohexane, good strength properties, air permeability, which enables to use material for making respiratory protection equipment and filtering type protective clothes.3 cl, 4 dwg, 1 tbl, 5 ex
Device for manipulating objects using acoustic force field // 2607580
FIELD: machine building.SUBSTANCE: invention relates to device (1) intended for manipulating objects (O) located in channel (2) inside fluid medium (F), in particular, liquid. Device includes channel (2) passing along longitudinal axis (X), wherein channel (2) has cross section with width (L) measured along first transverse axis (Y), and thickness (e), measured along second transverse axis (Z), perpendicular to first one. Width (L) exceeds thickness (e) or equal to it and channel has first (3) and second (4) walls located along second transverse axis (Z). Device includes acoustic waves generator (10), generating acoustic waves in channel from at least one of said walls (3, 4), wherein said acoustic waves generator (10) operates at frequency f, different from channel (2) resonance frequency f0 along second transverse axis (Z). Result is formation of at least one objects layer (N) by means of acoustic focusing.EFFECT: possibility of changing of objects focusing position inside channel, possibility of objects focusing on entire size of channel.27 cl, 5 ex, 13 dwg
Dry sorbent introduction under conditions of non-stationary state into dry gas cleaning scrubber // 2607410
FIELD: fuel.SUBSTANCE: invention relates to removal of solids and other contaminants from flue gases, produced during fuel combustion. Method of reducing emissions during fuel combustion, produced under operating conditions in non-stationary state in fuel combustion system, having gas passage path, which passes from fuel combustion chamber through spraying drier-absorber to bag filter, located downstream of spraying drier-absorber, wherein method includes: admixing of calcium hydroxide dry powder to carrier gas into gas passage path in input position, located downstream of fuel combustion chamber and upstream of bag filter, spraying of water into carrier gas in spray drier-absorber for moistening and carrier gas temperature reducing and calcium hydroxide powder deposition in bag filter for precipitate producing on filter, which reduces emissions during fuel combustion, wherein temperature in spray drier-absorber is less than 220 °F.EFFECT: removal of solid particles and other contaminants from flue gases produced during fuel combustion.24 cl, 7 dwg
ethod of determining coefficient of heterogeneity of mixture of loose materials // 2607400
FIELD: technological processes; chemistry.SUBSTANCE: invention relates to laboratory investigations of processes of mixing various loose materials in chemical industry, in industrial production of construction materials and other industries. Method comprises determining coefficient of heterogeneity of a polydisperse mixture of loose materials in a drum type mixer. Mixture of loose material is divided in mixer by cross sections into equal-thickness sampling sections. Removable plates are installed on border of each section. Samples of equal volumes of mixture are collected from identical points of each selected section throughout its thickness using samplers. Samplers consist of capsules with moving pistons and are inserted into holes in a detachable sampling disc. Coefficient of heterogeneity is calculated for each sampling point, on average at each section and on average on mixer as a whole, using formula: , where – arithmetic mean concentration of key component in samples, %; ci is concentration of key component in i-th sample, %; n is number of analysed samples.EFFECT: high accuracy of determining coefficient of heterogeneity of mixture.1 cl, 6 dwg
ethod for stabilization of gas condensate // 2607394
FIELD: gas industry.SUBSTANCE: invention relates to methods of preparing gas condensate for single-phase transfer and can be used in gas industry. Method for stabilization of gas condensate comprises separation of reduced unstable condensate, which is carried out in one stage in a film column, consisting of a cooled reflux and a heated stripping sections and a feed zone, located between them. As cooling medium reflux section is supplied with reduced unstable condensate, and then it is directed into supply zone. From reflux section top hydrocarbon gas is discharged, and from stripping section bottom condensate is discharged, which is divided into two parts. One part of condensate is heated and separated with formation of separation gas, which is directed to the bottom of the stripping section as a stripping agent, and a separation residue, which is mixed with another part of condensate, supplied as heat carrier into stripping section and discharged as commercial condensate. Hydrocarbon gas is compressed, cooled down and separated under dephlegmation conditions and reflux stabilization to produce propane-butane fraction and gas weathering.EFFECT: technical result is increased output and wider range of commercial products, reducing amount of weathering gas and power saving.1 cl, 1 dwg
ethod for demineralisation by neutralisation dialysis of solution of mixture of amino acids and salts // 2607227
FIELD: chemistry.SUBSTANCE: invention relates to a method of purifying amino acids, in particular, from mineral components contained in flushing water for microbiological production. Method for demineralisation by neutralisation dialysis of mixed solution of amino acid and salt involves feeding solution of mixture into middle section of a three-section dialysis unit, defined by cation-exchange and anion-exchange membranes with geometrically irregular shaped surface, feeding acid solution in counter-flow mode through section adjacent to cation-exchange membrane, and through section adjacent to anion-exchange membrane – alkali solution.EFFECT: higher efficiency of separation solution of mixture phenyl alanine and sodium chloride.1 cl, 3 dwg
White pigment // 2607221
FIELD: chemistry.SUBSTANCE: invention relates to chemical industry and can be used for making pigments for varnishes and paints. White-color pigment contains shell and core. Shell is made of titanium dioxide. Core is made of mixture of kaolin and aluminium oxide with total weight content of aluminium silicates and aluminium oxide of not less than 97 %. Weight ratio of aluminium silicates to aluminium oxide ranges from 2 to 4. Weight ratio of shell material to core material varies from 0.66 to 3 at core material ratio from 2 to 5 mcm and shell material from 0.2 to 0.5 mcm.EFFECT: invention allows to improve quality of pigment due to creation on surface of core dense shell of titanium dioxide, resistant to destruction in operating conditions at acidic precipitation, storage and transportation.1 cl, 11 ex
Deaerator system and method for deaeration // 2607219
FIELD: food industry.SUBSTANCE: invention relates to a system and method of deaeration of a liquid food product. Method and system for deaerating a liquid, comprising a pump for increasing pressure in liquid on an upstream end of a nucleation valve, a vacuum pump for reducing pressure on a downstream end of nucleation valve and a control device for controlling the pumps, wherein control device is arranged to control temperature and pressure on downstream side of valve such that static pressure is above saturation pressure, while lowest pressure as liquid passes valve is below or equal to saturation pressure.EFFECT: higher efficiency of deaeration and simplified design.17 cl, 3 dwg
ethod of producing fibrous sorbent for extracting scandium // 2607215
FIELD: chemistry.SUBSTANCE: invention relates to production of ion-exchange materials and sorbents. Disclosed is a method of producing fibrous ionite for extraction of scandium, including amination of polyacrylonitrile fibre with 35–40 % solution of ethyleneamine at a temperature of 90–100 °C, and phosphorylation of aminated fibre with phosphorous acid in an acidic medium in presence of formalin at temperature of 90–100 °C for 4.5–5 hours.EFFECT: invention simplifies technology of synthesis and increases selectivity of material to scandium ions.1 cl, 4 tbl, 17 ex
ethod of reagentless treatment of industrial water from saponite-containing particles in depositing map // 2607209
FIELD: physics.SUBSTANCE: invention relates to physics and can be used: for reagentless treatment of recycled industrial water (IW) from saponite-containing particles and reagentless sealing of saponite-containing precipitate; for reagentless treatment of waste IW of suspended substances in sumps and in surface filtration fields. Method consists in using at least one of depositing map bounded at all sides with waterproof dams: external, internal and two side ones, part of tailing pond with bottom inclined towards water intake, forming, amplification and emitting of travelling hydroacoustic waves in audible and ultrasonic frequency bands with amplitude of acoustic pressure no less than 102 Pa at distance of 1 m from corresponding hydroacoustic emitter, impact on industrial water with travelling hydroacoustic waves in audible and ultrasonic frequency bands in area of industrial water discharge and in central part – on path of industrial water moving to area of water intake, hydroacoustic coagulation of saponite-containing particles in area of industrial water discharge and in central part, hydroacoustic degassing of industrial water in central part and in area of industrial water discharge on depositing map, sealing of saponite-containing sediment in area of industrial water discharge and in central part, hydroacoustic sealing of bodies of all waterproof dams. Cleaning is performed in moving flow of industrial water. Emitting of travelling hydroacoustic waves in audible and ultrasonic frequency bands is carried out in pulsed and continuous mode. Additionally in area of industrial water discharge and in central part of depositing map hydroacoustic deposition of source and previously acoustically coagulated saponite-containing particles is performed by directed downward emitting of travelling hydroacoustic waves in audible and ultrasonic frequency bands. In area of industrial water discharge on depositing map hydraulic deposition of saponite-containing particles moving in industrial water flow at bottom of upper part of depositing map is performed by means of their physical engagement with saponite-containing already located at bottom. Method additionally uses sump with its inputs connected to outputs of all depositing maps, and output of which is connected to input of concentration plant.EFFECT: fast and high-quality division of two phases – liquid and solid ones, high quality of enrichment, reduced wear of equipment using simple method with minimum financial and time costs to provide medical human safety and environmental safety of natural medium as whole.1 cl, 7 dwg
Acid concentration column // 2607208
FIELD: chemistry.SUBSTANCE: invention relates to devices used for concentration of solutions of acids, and can be used in different fields of chemical industry, particularly in production and processing of inorganic acids, fertilisers. Acid concentration column includes a composite housing of rings, on which there are working concentration stages, stages for capturing acid vapour and sprays, cover with pipes and bottom with vertical and horizontal channels, with gas (vapour) feed pipe, acid inlet and outlet pipes and contact pipe, located in its upper part with clearance relative to first working stage. Each working stage consists of lower and upper rings, wherein lower ring with pipe to receive acid is made with a plate, on which is mounted a swirler with a cover and tangentially located blades, and upper ring with pipe for discharge of acid is made with flanging, on which is mounted with gaps between planes of plates a contact pipe, wherein gap between contact pipe and plate of overlying stage is 0.1–0.5 times diameter of contact pipe. Plate is equipped with a gas pipe, upper edge of which is located above swirler blades.EFFECT: technical result is increased range of stable operation with change of flow rates of gas and liquid phases, high efficiency of heat-mass exchange and prevention of fogging of acid in gas emission during concentration.1 cl, 3 dwg
"core-shell" type microgel emulsifier and "oil-in-water" emulsion composition // 2607088
FIELD: chemistry.SUBSTANCE: described is a cosmetic composition in form of a Pickering type "oil-in-water" emulsion for skin or hair, containing a "core-shell" type microgel emulsifier, oil phase ingredients and aqueous phase ingredients, where "core-shell" type microgel emulsifier consists of a copolymer, typically obtained by polymerising polyethylene oxide macromonomers of following formula (1), hydrophobic monomers of following formula (2) and cross-linking monomers of following formula (3) in following conditions (A) and (B): (A) molar ratio of initial molar amount of said polyethylene oxide to initial molar amount of hydrophobic monomers is 1:10–1:250, (B) initial amount of said cross-linking monomers is 0.1–1.5 wt% with respect to initial amount of said hydrophobic monomers; (1), where R1 denotes alkyl having 1–3 carbon atoms, and n is an integer from 8 to 200, X denotes H or CH3; (2), where R2 denotes alkyl having 1–3 carbon atoms, and R3 denotes alkyl having 1–12 carbon atoms; (3), where R4 and R5 each independently denotes alkyl having 1–3 carbon atoms, and m is a number from 0 to 2, where amount of "core-shell" type microgel emulsifier is 0.01–10 wt% with respect to total amount of composition in form of Pickering emulsion. Also described is a method of producing said cosmetic composition in form of a Pickering type "oil-in-water" emulsion, which includes: mixing and dispersing "core-shell" type microgel emulsifier in water or aqueous phase ingredients, adding oil phase ingredients and other ingredients, and emulsifying mixture by mixing and applying a shear force. Invention also describes use of said "core-shell" type microgel emulsifier for producing a cosmetic composition in form of Pickering type "oil-in-water" emulsion for skin or hair.EFFECT: obtaining a composition in form of emulsion with improved emulsification stability, with low skin irritation and low sensation scratchiness and powderiness.5 cl, 1 dwg, 14 tbl, 20 ex
ethod of producing biologically active preparations, increasing germination of seeds of crops and increasing their resistance to unfavorable conditions // 2607013
FIELD: agriculture.SUBSTANCE: invention relates to agriculture. Invention represents method of producing biologically active preparations increasing germination of seeds of crops and increasing their resistance to unfavorable conditions, involving extraction of vegetal raw materials with subsequent evaporation of extracts to resinous state, where biologically active preparation is obtained from vegetal raw materials, which grow in Southern Yakutia, extraction at following temperature conditions: 2-times short-term heating of extraction system to 60–70 °C every 20 hours, cooling and fermentation of extractive substances without effervescence.EFFECT: invention allows to produce preparations of herbal raw materials, which grow in Southern Yakutia, having growth-stimulating and anti-stress activity.1 cl, 5 tbl
Cartridge with air filter for compressed air preparation for compressed air preparation plant // 2607010
FIELD: car industry.SUBSTANCE: invention relates to automotive industry, in particular, to compressed air preparation cartridges. Cartridge with air filter for compressed air preparation comprises reservoir filled with drying agent, and coalescence filter. Compressed air is passed through drying agent. Coalescence filter is located in axial longitudinal direction before drying agent in drying agent reservoir inlet zone. There is cover element, which fixes drying agent in drying agent reservoir. At that, coalescence filter lies directly on drying agent, so, that it is located between cover element and drying agent.EFFECT: enabling simplification of cartridge with air filter design in terms of its implementation.6 cl, 4 dwg
Fluid cleaning system // 2606986
FIELD: wastewater treatment plants.SUBSTANCE: invention relates to fluid purification systems, preferably water, used in domestic and/or potable water supply in household and/or industrial conditions, on suburban and garden plots. Fluid purification system comprises initial fluid source, purified fluid supply line to consumer, liquid purification unit, including liquid-liquid type container, consisting of housing and device, forming cleaned fluid collection chamber and displacement cavity, located inside housing, at least one liquid cleaning device, drain line and fluid flows control system, including initial fluid supply unit and purified liquid supply unit. In liquid cleaning unit fluid flows control system is made with initial fluid distribution unit with possibility to maintain fluid pressure in displacement cavity, preferably, for initial liquid container higher, than atmospheric pressure. Initial fluid distribution unit is made according to fluid motion counter-flow scheme and comprises initial fluid re-circulation line, connected at one end to displacement cavity for container initial fluid and at other end is with initial fluid source and initial fluid supply unit. Either initial fluid distribution unit is made according to two-track scheme in form of initial fluid inflow line into displacement cavity for container initial liquid, at inlet connected to initial liquid source, and at outlet is with displacement cavity for initial liquid container, and initial fluid displacement line from container displacement cavity, connected at inlet to container displacement cavity and at outlet is with initial fluid supply unit.EFFECT: technical result is improving fluid cleaning system reliability and simplifying its design while improving its operating properties, including provision of cleaned liquid supply to consumer at any moment of fluid treatment process and after its completion.24 cl, 7 dwg
ethod and system for generating sulphur seeds and granules // 2606982
FIELD: chemistry.SUBSTANCE: invention relates to chemical industry. Device comprises cooling tank (4) storing a liquid, first sprayer (2), granulating drum (6), conveyor (20) for conveying sulphur seeds. First sprayer (2) is configured for spraying molten sulphur in liquid in cooling tank (4) to form sulphur seeds.EFFECT: invention provides a more efficient process of producing sulphur seeds, which can be enlarged to sulphur granules.21 cl, 19 dwg
Filter without zigzag filtering panels for places of livestock management // 2606980
FIELD: instrumentation; veterinary science.SUBSTANCE: group of inventions relates to air filtration systems used in places of livestock management. Filtration element made to filter virus of swine reproductive and respiratory syndrome – PRRSV from air flow in building for livestock management comprises rectangular frame, filter filler package extending through frame in configuration without zigzag arrangement of filtering panels with depth less than 8 inches, so that in combination with filtering element it has depth less than 10 inches in direction perpendicular to plane defined by rectangular frame. Filter filler package has MERV rating of at least 14 and efficiency of filtration sufficient for preventing transmission of PRRSV and capacity of air flow is more than 200 cfm at resistance of 0.2 inch of water column per square foot of filtering element across air flow. Filtering element in second version comprises support frame, filter filler package containing filter filler extending through support frame and having depth greater than approximately 3 inches, filter filler with MERV rating of at least 14 and volumetric air flow capacity, which exceeds 500 cfm/min of external filter loop at resistance of 0.2 inch of water column. Filter filler package has configuration without zigzag arrangement of filtering panels. Filtering system intended for air filtration for animals contains filter casing installed in building of generating air flow through filter casing, filtration element tightly installed on housing, which includes frame, filter filler package supported by frame in configuration without zigzag arrangement of filtering panels with depth of more than 2 inches and less than approximately 11 inches, so that in combination with filtering element it has depth of approximately 12 inches or less in direction perpendicular to plane defined by rectangular frame, and having MERV rating of at least 14. Wherein filter filler package has MERV rating if at least 15, efficiency of filtration, sufficient for preventing transmission of PRRSV, and capacity of air flow is more than 200 cfm at resistance of 0.2 inch of water column per square foot of filtering element across air flow.EFFECT: higher efficiency of filtration of swine reproductive and respiratory syndrome virus.30 cl, 1 ex, 3 tbl, 42 dwg
Gas-liquid separator // 2606977
FIELD: technological processes.SUBSTANCE: proposed engineering solution relates to separation of dispersed particles from gases and can be used in oil, gas and other industries. Gas-liquid separator comprises vertical housing, inlet pipe arranged tangentially to inner surface of vertical housing, an outlet hole, drain branch pipe, separating device made in form of small-size separator of vortex type. Inlet of separator is arranged above inlet pipe of gas-liquid separator.EFFECT: high efficiency due to two-stage gas separation.5 cl, 4 dwg
ethod for supercritical fluid extraction of uranium complexes // 2606973
FIELD: chemistry.SUBSTANCE: invention relates to a method of supercritical fluid extraction of uranium complexes. Method involves creation of supercritical solvent in a reactor and dissolving uranium complexes with ligands in presence of water, extracting dissolved uranium complexes with ligands from reactor. In medium of supercritical solvent when stored in supercritical state temperature gradient is created in range of 0.10–0.23 °C/cm along its vertical column at a higher temperature of lower level of column as compared to its upper level, extraction of metal complexes with ligands from reactor is carried out from a layer, on height of 1/3 to 2/5 of column of supercritical solvent from its lower level.EFFECT: invention enables to change isotopic composition of metal during extraction thereof from reactor.3 cl, 1 ex
ethod of producing lipid complex of pulp of pomegranate fruits // 2606844
FIELD: pharmaceutics.SUBSTANCE: invention relates to pharmaceutical, perfumery and food industry, namely to production of lipid complex of pulp of pomegranate fruits. Method of producing lipid complex of pulp of pomegranate fruits, wherein dried fruit pulp is milled, extracted under certain conditions with further distillation of extractant and combination of obtained extracts.EFFECT: method above described increases output of lipid complex and enables its enrichment with phospholipids.1 cl, 1 tbl, 5 ex
Water treatment method // 2606779
FIELD: technological processes.SUBSTANCE: invention relates to water treatment and can be used in agriculture, in housing and communal services and in industry. Water treatment method involves filtration of water through charge with ion-exchange properties, charge regeneration and washing with upward flow of regenerate and prepared water in from bottom to top direction and charge sedimentation. Filtration is carried out using filtering system containing, at least, two successively installed filters of first 2 and second 9 stages. Filtration in first stage 2 filter is carried out in from bottom to top direction, and in second 9 stage filter is in from top to bottom direction. Charge filtration and regeneration is performed with formation of fluidized bed 7, 11 in first 2 and second 9 stages filters. Charge in first stage 2 filter is modified glauconite, and in second 9 stage filter is composition of two or more components arranged in layers. Lower layer is presented by modified glauconite. Every next layer granules densities ratio to previous layer is not less than 1.3. Amount of modified glauconite is not less than 40 % of composition total amount. Charge height in first and second stages filters ratio to filters height is 0.40–0.55:1.00.EFFECT: invention allows to saturate water with macro- and microelements, perform water softening and deferrization, increase purification degree from impurities, as well as increase water treatment process reliability and environmental safety.3 cl, 2 dwg, 1 tbl
ethod of separating water-oil emulsion using nanoparticles // 2606778
FIELD: oil industry.SUBSTANCE: invention relates to oil and bottom water treatment process. Disclosed is a method of separating water-oil emulsion by adding carbon nanotubes, containing metals, selected from: iron, cobalt, nickel. Surfactant is also added to emulsion and stirred. Further, method includes magnetic field exposure.EFFECT: technical result is faster process of oil treatment and reduction of residual water content of prepared oil.1 cl, 1 tbl
Purified extract separated from pseudolysimachion rotundum var subintegrum with high content of active ingredient, its production and composition containing the above extract as an active ingredient to prevent or treat inflammation, allergies and asthma // 2606768
FIELD: pharmaceutics.SUBSTANCE: invention refers to pharmaceutical industry, namely, to the purified extract, broken up using butanol (ATS1) from the Pseudolysimachion rotundum var subintegrum extract. Purified extract broken up using butanol (ATS1) from the Pseudolysimachion rotundum var subintegrum extract, for the prevention and treatment of inflammatory diseases, received in accordance with the method comprising: addition of ethanol to the dried Pseudolysimachion rotundum var subintegrum and carrying out the extraction with cold water; further carrying out the extraction with hot water under reflux with the receipt of the 1st extract at the 1st stage; suspending of said 1st extract in water, adding butanol to said extract, fractionation with obtaining a water layer and butanol layer and the collection of butanol layer with the receipt of purified extract, broken up using butanol (ATS1), under certain conditions, wherein obtain a extract containing verprozid, veratric acid, katalpozid, pikrozid II, izovanilloilkatalpol and 6-O-veratroilkatalpol in certain proportions (versions). A pharmaceutical composition. Functional food product.EFFECT: above described extract Pseudolysimachion rotundum var subintegrum has increased anti-inflammatory effect.4 cl, 15 dwg, 10 tbl, 8 ex
agnetic filter // 2606645
FIELD: chemistry.SUBSTANCE: invention relates to magnetic cleaning of process liquids and can be especially efficiently used for separation of amine, used for cleaning of natural gas with high content of hydrogen sulphide. Magnetic filter comprises a reservoir, in cover of which there are cylindrical magnetic rods with sludge collecting rings worn thereon, movable plate for displacement of latter along rods, sludge-collecting rings are split and made of hardened alloy, having spring, non-magnetic and anticorrosion properties, for example, precision alloy 36NKHTYU, cladding of rods is made of stainless steel with solid chrome-plating, filter is equipped with a mechanism for post-treatment of sludge and its removal beyond filter, mechanism is made in form of installed in lower part of reservoir on a fixed axis of two pairs of pipes, welded into sleeve, which can rotate on fixed axis, tubes are provided with holes, into which is fed a cleaning medium under pressure, resultant reactive forces of flowing jets generate torque which rotates sleeve with tubes.EFFECT: invention provides high degree of cleaning filter from slug.3 cl, 4 dwg
ethod for capturing and recycling iron catalyst used in production of haloalkane compounds // 2606633
FIELD: chemistry.SUBSTANCE: invention relates to a method for capturing and recycling iron catalyst used in production of haloalkane compounds from carbon tetrachloride and alkene using iron catalyst and one or more trialkyl phosphate compounds as a cocatalyst, using an electromagnetic separation unit (EMSU). Upon activation, electromagnetic separation unit acts to remove iron particles from a stream exiting reactor; When electromagnetic separation unit is deactivated, captured iron particles can be separated back into reactor for repeated use in continuous production of haloalkane compounds. Present invention can be used in methods of producing haloalkane compounds, selected from a group consisting of 1,1,1,3,3-pentachloropropane (HCC-240fa), 1, 1,1,3-tetrachloropropane (HCC-250) and 1,1,1,3,3-pentachlorobutane (HCC-360).EFFECT: technical result is iron catalyst can be captured and sent back into reactor.10 cl, 1 dwg
Obtaining n-protected bis-3,6-(4-aminoalkyl)-2,5-diketopiperazine // 2606624
FIELD: chemistry.SUBSTANCE: invention relates to a method for synthesis of 3,6-bis-[N-protected aminoalkyl]-2,5-diketopiperazine. Method involves heating a mixture of amino acids of general formula I in presence of catalyst in an organic solvent. Said catalyst is phosphorus pentoxide, which is present in concentration of 20 mol% to 50 mol% with respect to concentration of amino acids; n equals 2 or 3; PG represents trifluoroacetyl, and said solvent is selected from a group consisting of dimethylacetamide, N-methyl-2-pyrrolidone, diglyme, ethyl glyme, proglyme and ethyldiglyme. Invention also relates to a method for synthesis of 3,6-bis-4-(N-trifluoroacetyl)aminobutyl-2,5-diketopiperazine, which involves heating a mixture of ε-trifluoroacetyl-L-lysine in presence of phosphorus pentoxide in N-methyl-2-pyrrolidone to temperature from 150 to 175 °C for 0.25–5 h, wherein concentration of phosphorus pentoxide ranges from approximately 20 mol% to approximately 35 mol% of concentration of ε-trifluoroacetyl-L-lysine, and slaking said mixture with a second solvent.EFFECT: disclosed methods ensure high output of reaction.8 cl, 4 tbl, 3 dwg, 10 ex
Apparatus for removing air contaminants // 2606619
FIELD: manufacturing technology.SUBSTANCE: present invention relates to an apparatus for removing air contaminants, which adsorbs dust and harmful substances contained in air contaminants using an absorbing unit connected to an inlet pipe inserted in a tank.EFFECT: device for removing contaminants from air is disclosed.8 cl, 4 dwg
Gas-liquid mixture distribution disc with structural distribution elements, low sensitive to leveling error // 2606618
FIELD: machine building.SUBSTANCE: invention relates to gas and fluid distribution in catalytic reactors of fixed layers type, in particular to distributing disc with distribution structural elements, low sensitive to leveling errors. Structural distribution element consists of two substantially coaxial cylinders, called internal cylinder and external cylinder; wherein separating two cylinders bottom horizontal surface is closed. Distributing disc is adapted to cocurrent gas and liquid descending flows, in particular in so called "streaming" mode. Invention also relates to use of distribution disc, to methods of various oil races cleaning by hydrogenation or hydrogen saturation methods.EFFECT: invention provides uniform gas inlet into annular zone.11 cl, 4 dwg, 3 tbl
Based on poly(hexafluoropropylene) membrane and method of gases separating using it // 2606613
FIELD: technological processes.SUBSTANCE: invention relates to amorphous glass-like perfluorinated polymer poly(hexafluoropropylene) synthesis and thermal treatment and use of membranes on its basis for gas separation. Membrane for gas mixtures separation consists of amorphous glass-like poly(hexafluoropropylene), subjected to thermal annealing at 160–180 °C for 3–5 hours. Method of gas mixtures membrane separation containing two of components He, CH4, H2, N2, CO2, includes supply of separated mixture from this membrane one side and extraction of components penetrating through it on other side.EFFECT: increasing of based on PGFP membranes selectivity while enabling improved combination of material selectivity and permeability.2 cl, 4 tbl, 6 ex, 6 dwg
Electret fabrics with additives promoting accumulation of charge // 2606611
FIELD: manufacturing technology.SUBSTANCE: invention relates to electret fabrics. Electret fabrics contain a thermoplastic resin and an additive promoting accumulation of the charge. Additive promoting accumulation of the charge is a salt of substituted mercaptobenzimidazole containing a divalent metal. Electret fabrics can be represented by a nonwoven fibre cloth or a film. Electret fabrics are suitable for use as a filtering material.EFFECT: development of an easily charged and efficient electret fabric.23 cl, 6 tbl
ethod (versions) for capturing particles of interest from mixture // 2606609
FIELD: biotechnology.SUBSTANCE: present invention relates to a method for capturing virus-like particles of interest from a mixture containing destroyed plant cells. Method comprises use of an expanded bed of adsorbent containing resin material, balancing resin material at pH 6.0–8.0 and adding mixture to expanded bed of adsorbent for binding of virus-like particles. Degree of expansion of expanded bed is equal to 1–5. Further, adsorbent is washed. Virus-like particles are eluted from adsorbent.EFFECT: high purity of extracted particles, high process efficiency.17 cl, 9 tbl
Reforming apparatus, reforming method, apparatus for producing chemical products equipped with reforming apparatus and method of producing chemical products // 2606606
FIELD: oil and gas industry.SUBSTANCE: invention relates to petrochemical industry. Natural gas 21 is fed into compressor 11. Compressed natural gas 21 is successively heated in fourth 20 and first 12 heat exchangers. In first heat exchanger 12 heat source used is flue gases 22. Heated natural gas 21 is fed into desulphuration device 13. In apparatus 14 there is reforming of natural gas purified from sulphur-containing compounds, and H2 and CO or H2 and CO2 are obtained. Gas subjected to reforming is used for synthesis of ammonia, urea and methanol. In second heat exchanger 16 air 26 used for heating in reforming apparatus 14 is heated. Water 75 is heated by flue gases 22 in third heat exchanger 19.EFFECT: invention improves thermal efficiency during reforming of natural gas, prevents corrosion, improves efficiency of producing ammonia, urea and methanol.6 cl, 19 dwg, 6 ex
ethod and system for water treatment used for industrial purposes // 2606599
FIELD: water supply.SUBSTANCE: invention relates to a method and a system for water treatment intended for use in industrial processes at low costs. Water treatment system includes: a water supply line, a container including a means for receiving sediments, which is attached to the bottom of the said container, a matching device, which periodically activates operations required to control the water parameters within the range determined by the operator or the matching device, a means for introduction of chemical substances, which is activated by the said matching device, a movable suction device, which moves along the bottom of the said container sucking the water flow containing sediments, a driving means, which transfers movement to the movable suction device for it to move along the bottom of the container, a filtering device, which provides filtration of the water flow containing sediments, a manifold line connecting the movable suction device and the filtering device, a return line from the said filtering device to the container, and a water discharge line from the said container to the process downstream.EFFECT: technical result is the increase of quality of water treatment.7 cl, 2 dwg, 3 tbl
Porous inorganic composite oxide // 2606505
FIELD: technological processes.SUBSTANCE: invention relates to porous inorganic composite oxide intended for use as substrate material for catalyst, which includes aluminium and cerium oxides, or aluminium and zirconium oxides, or aluminium, cerium and zirconium oxides and optionally one or more doping elements oxides selected from transition metals, rare-earth metals and their mixtures, wherein said inorganic composite oxide has: (a) specific surface area after calcination at 1,100 °C for 5 hours, more or equal to area, calculated according to equation SA=0.8235[Al]+11.157, in which: SA represents specific surface area of inorganic composite oxide according to BET, in square meters per g, and [Al] is a number of aluminium oxides in composite oxide, expressed in form of weight ratio of Al2O3 to 100 weight fractions of composite oxide, and (b) is total volume of pores after annealing at 900 °C for 2 hours, greater than or equal to volume calculated according to equation PV=0.0097[Al]+0.0647 where PV represents inorganic composite oxide pores volume in cubic centimeters per g, wherein composite oxide involves, in each case in amount, which is expressed in form of separate binary oxide of corresponding element on 100 weight fractions of composite oxide: (a) approximately from 20 to 98 wt of Al2O3, and (b) (i) approximately from 2 to 80 wt of ZrO2, or (b) (ii) approximately from 2 to 80 wt of CeO2, or (b) (iii) approximately from 2 to less than 78 wt of ZrO2 and from 2 to 78 mass fractions of CeO2 provided that, combined amount of ZrO2 and CeO2 does not exceed 80 weight fractions, and (c) optionally up to approximately 15 weight fractions of one or more doping elements oxides selected from transition metals, rare-earth metals and their mixtures. Invention also relates to method of porous inorganic composite oxide producing, as well as to internal combustion engine exhaust gases catalyst.EFFECT: technical result consists in production of thermally stable porous inorganic composite oxide with increased volume of pores.19 cl, 16 dwg, 1 tbl, 20 ex
Device for extraction of impurities from gas // 2606441
FIELD: gas industry.SUBSTANCE: invention relates to equipment for cleaning gas from impurities in form of solid particles, liquid droplets. Device for extraction of impurities from gas comprises scroll case, rotor with channels, formed by plates inclined to radial direction, axial pipe with flow straightener blades for discharging cleaned gas. Rotor shaft is hollow and perforated, perforated cylinder is fixed on shaft. Scroll case is connected to curved channel, on inner wall of which behind section for inlet of contaminated gas there is a spring-loaded blade and there is a window for discharging part of gas from scroll case into curvilinear channel. On periphery of curvilinear channel before scroll case for discharge of separated impurities there is a pipe with hydraulic gate. Curvilinear channel, scroll case, rotor, cleaned gas discharge pipe, pipe with hydraulic gate are fixed in a high-pressure shell with pipes for inlet of gas and outlet of impurities in form of a suspension. Inside of axial pipe with flow straightener blades for discharge of cleaned gas from rotor in bearing housing, there is a stuffing box with a pipe for inlet of liquid into hollow perforated shaft.EFFECT: high efficiency of cleaning gas at variable operating conditions and carrying out purification process in conditions of high pressure gas.1 cl, 3 dwg
ethod of gas-dynamic separation // 2606427
FIELD: gas industry.SUBSTANCE: method of gas-dynamic separation relates to low-temperature processing of multicomponent hydrocarbon natural and casinghead gases, in particular, for gas drying by condensation and separation of water and/or hydrocarbon components, and can be used in systems for collecting, preparation and processing of multicomponent hydrocarbon gases. Method of gas-dynamic separation comprises supplying the flow of high pressure multicomponent hydrocarbon gas into the nozzle, its isoenthalpic expansion and cooling while flowing in the nozzle, condensation of components in the cooled gas flow, separation of condensate from gas phase and increasing pressure by braking in the diffuser. Separated hydrocarbon condensate in contact with the initial gas is being partially evaporated and additionally cooled, and the initial gas is being cooled while heat exchange with a coolant additionally cooled by the condensate.EFFECT: technical result is high efficiency of gas-dynamic separation and reduced power consumption.4 cl, 1 dwg
Containers and methods of dispensing doses of liquid concentrate and liquid concentrates of long storage life // 2606327
FIELD: packaging industry.SUBSTANCE: invention relates to a packaged product having a plurality of doses of liquid concentrate therein, and a method of producing a mixture using batched distribution of liquid concentrate from a vessel using one or more of required properties and features, including almost constant output in a certain range of pressing forces, almost constant output at same pressing force, that is substantially independent of amount of liquid concentrate in vessel, practically not leaking outlet opening, obtaining a jet which ensures minimum spray, when liquid concentrate strikes in a specified liquid, and a jet which maximally facilitates mixing of liquid concentrate with a given liquid to obtain a homogeneous mixture as a whole without using additional devices or agitation. Invention also discloses liquid concentrates of beverages, which can be poured cold in package, and have a shelf life of at least twelve months at normal storage temperatures.EFFECT: combination of low level of pH and high content of alcohol can be used in concentrate, in particular pH level not higher than 3,5, and alcohol content higher than 5 wt%.30 cl, 20 dwg, 29 tbl
Reducing aluminosilicate scale in bayer process // 2606323
FIELD: technological processes.SUBSTANCE: invention provides a method of inhibiting accumulation of aluminosilicate scale in liquor circuit of Bayer process equipment. Method involves adding into stream of aluminosilicate scale inhibiting composition containing one or more molecules based on determined silane, in fluid circulation circuit of liquor. Such scale inhibitors reduce scaling and, thus, increased carrying capacity on fluid, increase period of time during which Bayer process equipment can operate, and reduce need for expensive and hazardous washing of acid Bayer process equipment.EFFECT: invention provides considerable reduction of total costs for operation of Bayer process.12 cl, 2 ex, 2 tbl, 2 dwg
ethod of filter material production from polymer fibres without tissue substrates // 2606222
FIELD: materials.SUBSTANCE: invention relates to production of superfine fibre materials for superfine filtration by electroforming methods from charged polymer solutions and method of filter material producing from polymer fibres without tissue substrates. Method involves deposition of substrate-base on movable, grounded, solid electrode, made of aluminium sheet with thickness of 10 cm with rounded edges. Protection of fiber-forming elements and reduction of corona discharges is performed by electronegative gas solvent vapors mixture, in particular, nitrogen purified from traces of oxygen.EFFECT: invention ensures production of materials with high filtration characteristics, higher efficiency of filtering material forming process and reduced its fire hazard.1 cl, 4 at , 7 ex
ethod of catalyzed particulate filter coating and solid particles filter // 2606185
FIELD: engines.SUBSTANCE: invention relates to multifunctional catalyzed filter, which is useful for internal combustion engines exhaust gases cleaning. In particular invention relates to catalyzed filter with flow-through filtration wall, as well as to method of production thereof, which includes following steps: a) providing filter housing with flow-through filtration wall with multiple lengthwise inlet flow channels and discharge flow channels separated by gas-permeable porous partitions; b) applying catalyst porous oxide coating composition containing first catalyst composition, which is active during reaction of nitrogen oxides with carbon oxide and hydrogen with production of ammonia, and second catalyst, which is active during selective recovery of nitrogen oxides by reaction with ammonia with production of nitrogen, wherein first catalyst composition has modal particles size less than porous partitions average pores diameter, and second catalyst composition has modal size of particles greater than porous partitions average pores diameter; c) applying catalyst porous oxide coating on filter housing by adding porous oxide coating through outlet channels outlet end; and d) drying and thermal treatment of filter housing with applied coating in order to obtain catalyzed particulate filter.EFFECT: purification of internal combustion engines exhaust gases.6 cl, 1 ex
Reactor tray for producing urea, reactor and method of producing urea // 2606126
FIELD: manufacturing technology.SUBSTANCE: invention relates to tray (4) of reactor for producing urea. Tray comprises at least one base plate (10) and multiple hollow bowl-shaped elements (11, 11A), which extend vertically from base plate (10) along respective substantially parallel axis (A) perpendicular to base plate (10), and have appropriate substantially concave internal cavities (17, 37), communicating with appropriate holes (15) formed in base plate (10). At that, tray (4) comprises multiple first bowl-shaped elements (11), extending downward from lower side (14) of base plate (10), and each of which passes axially between open upper end (21), having hole (15), and closed lower end (22). Each first bowl-shaped element (11) comprises side wall (23) with through circulation holes (25), arranged substantially across axis (A) and intended for preferred through flow of gas phase and/or liquid phase; and bottom wall (24), which closes closed lower end (22) and has no circulating holes. At that, side wall (23) of each of first bowl-like element (11) has first circulation holes (25A) substantially for through flow of gaseous phase and second circulation holes (25B) substantially for through passage of liquid phase, all substantially across axis (A). First holes (25A) are located closer to open top end (21) than second holes (25B), and first holes (25A) are smaller than second holes (25B). Invention also discloses reactor for producing urea and method of producing urea.EFFECT: invention provides thorough mixing of gaseous and liquid phases and high output of urea.23 cl, 7 dwg
 
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