Petroleum, gas or coke industries and technical gases containing carbon monoxide and fuels and lubricants and peat (C10)

C   Chemistry; metallurgy(311501)
C10            Petroleum, gas or coke industries; technical gases containing carbon monoxide; fuels; lubricants; peat(16211)
ethod of retooling common oil refinery into enterprise for production of fuel from biological material // 2607771
FIELD: oil and gas industry.SUBSTANCE: invention relates to a method of retooling a common refinery into an enterprise for production of fuel from biological raw materials, distinguished by process circuit, which enables to process biological raw materials for producing biofuel. Method of retooling an oil refinery, including system comprising two units, U1 and U2 for hydrodesulphurisation, into enterprise for production of fuel from biological raw material, which includes a unit for obtaining hydrocarbon fractions from biological mixtures, containing ethers of fatty acids, by means of their hydrodeoxygenation (HDO) and isomerisation of (ISO), wherein each of units U1 and U2 for hydrodesulphurisation includes: reactor for hydrodesulphurisation, (A1) for unit U1 and (A2) for unit U2, wherein said reactor contains a catalyst for hydrodesulphurisation; one or more heat exchangers for heat exchange between raw material and a stream exiting reactor, E1 in unit U1 and E2 in unit U2; heating system for raw material located above reactor along process, F1 in unit of U1 and F2 in unit U2; acid gas processing unit, located below reactor along process and containing absorbent (B) for H2S, T1 in unit U1 and T2 in unit U2, said method includes: installing between units U1 and U2 line L, which connects them in series; installing a product recirculation line for unit U1 and, optionally, for unit U2, replacing catalyst for hydrodesulphurisation in reactor A1 with hydrodeoxygenation catalyst; replacing catalyst for hydrodesulphurisation in reactor A2 with isomerisation catalyst; installing bypass line X of unit T2 for acid gas treatment unit U2; replacing absorbent (B) in unit T1 for acid gas processing with specific absorbent for CO2 and H2S. Also disclosed is a plant for production of fuel and a method of producing hydrocarbon fractions.EFFECT: considerable reduction of pollutant emissions into atmosphere, recycling equipment.16 cl, 1 dwg
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
ethod and device for gasification of solid combustible materials under pressure in stationary layer // 2607662
FIELD: technological processes.SUBSTANCE: invention relates to a method and a device for gasification of solid combustible materials under pressure in a stationary layer. Method for gasification of solid combustible materials by gasifying agents containing oxygen and water vapour is implemented in a stationary layer in a gas generator of high pressure. Through the head part of the gas generator it is supplied with coarse-grained solid combustible materials and the obtained gas is discharged from it. By means of located on the bottom of the gas generator rotating grate, above which there is a stationary layer bed, performed is a controlled supply of first gasifying agents for non-slugging gasification and through the bottom of the gas generator ash is extracted. In addition to the first gasifying agents supplied with the help of the rotary grate and independently from them through at least one nozzle reaching the upper area of the stationary layer filling second gasifying agents for slugging gasification are blown in, herewith the second gasifying agents are blown in with the vapour-to-oxygen ratio of 0.5–4 kg/m3 and the speeds of gas outlet from 20 to 120 m/sec.EFFECT: higher efficiency, wider range of application of solid combustible materials.16 cl, 2 dwg
Lubricating oil composition // 2607637
FIELD: chemistry.SUBSTANCE: present invention relates to a lubricating oil composition containing: (A) base oil, kinematic viscosity of which at 100 °C varies from 1.4 to 6 mm2/s, (B) from 250 to 2,000 ppm in terms of molybdenum of a molybdenum dialkyldithiocarbamate of formula (1), where R1-R4 denote alkyl groups, and X1-X4 denote oxygen atoms or sulphur atoms, (C) from 20 to 500 ppm in terms of sulphur of tetrabenzyl thiuram disulphide of formula (2) and (D) from 0.05 to 3.0 wt% of amine of formula (3) or formula (4), where R5-R7 both independently, denote hydrogen or alkyl, aryl or alkyl aryl group having from 1 to 23 carbon atoms, where (4) R8 and R9 both independently denote hydrogen or alkyl, aryl or alkyl aryl group containing 1 to 23 carbon atoms. Present invention relates to use of lubricating oil composition (versions).EFFECT: technical result of present invention is minimisation of effect on equipment for treating exhaust gases and catalysts as a result of reduction, as much possible, amounts of contained MoDTC compounds and sulphur compounds thus creating, even in case of presence of latter in trace quantities, a lubricating oil composition, which demonstrates excellent effect on reduction of friction for a long period of time, and which is characterised by high degree of fuel saving.10 cl, 4 tbl
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
Wastes photonic radiolysis // 2607632
FIELD: materials.SUBSTANCE: invention discloses product from wastes obtaining method, including: a) providing wastes; b) effect of low-frequency macro wave radiation with wavelength in range from 700 nm to 1 mm on wastes, with achievement of temperature from 205 °C to 900 °C and pressure from 1.0 bar to 19.0 bar, to form coal therefore; wherein said wastes are subjected to radiation in reaction vessel with double metal wall, providing said reaction vessel outer metal wall heating by means of primary radiation source, heated to at least of 700 °C, as a result of which, said outer wall prevents heat energy transfer by conductivity and convection and as a result of which, external metal wall is secondary radiation source for said material contained within said internal metal wall; and wherein said wastes contain carbon in amount from 9 to 85 %, hydrogen in amount from 1 to 15 % and oxygen in amount from 0 to 65 % expressed as material dry mass. Invention also discloses version of product from wastes obtaining method and products obtained using said methods.EFFECT: technical result consists in obtaining useful products from solid organic and inorganic wastes, which are produced by highly effective and energy-saving method, in which power, transmitted by radiation, exponentially increases with temperature of radiating heat source.32 cl, 2 dwg, 3 ex, 9 tbl
ethod for production of liquefied hydrocarbon gases // 2607631
FIELD: gas industry.SUBSTANCE: invention relates to production of liquefied hydrocarbon gases, including adsorption purification of a broad fraction of light hydrocarbons from sulphur compounds and methanol. Method is characterized by that adsorption purification of liquefied hydrocarbon is implemented in multilayer adsorbers, in which each layer of adsorbent is series-selective in relation to a specific type of extracted impurities, temperature regeneration and subsequent cooling of adsorbents is carried out with a methane fraction, purified from impurities, similar to extracted impurities, and supplied on side, at final stage of cooling of adsorbents, adsorbers are blown with dry high-pressure nitrogen prior to feeding broad fraction of light hydrocarbons into adsorber with regenerated adsorbents, and purified broad fraction of light hydrocarbons undergoes distillation to produce liquefied narrow fractions of light hydrocarbons in system, at least two full rectification columns.EFFECT: use of present method simplifies and provides universalisation of process diagram of production of liquefied hydrocarbon gases at stage of purification of liquefied gases independently from combination of extracted impurities, reduced power consumption of process and flexible variability of process with formation of a range of final product depending on marketing requirements.14 cl, 1 tbl, 3 dwg
Threaded connections sealing lubricant // 2607520
FIELD: machine building.SUBSTANCE: present invention relates to lubricant for sealing of threaded connections, containing fluorine-containing copolymer, graphite, corrosion inhibitor, supplemented with resilient elastic acrylic copolymer and solvent at following ratio of components in %: Resilient elastic acrylic copolymer 10–18; Fluorine-containing copolymer 25–40; Graphite 4–6; Corrosion inhibitor 0.5–5.0; Solvent 49–58.EFFECT: technical result of this invention is improvement of threaded connections sealing lubricant reliability and efficiency due to reducing force during multiple screwing down - unscrewing and preventing metal “baking”.1 cl, 2 ex, 1 tbl
ethod of solid fuel gasification and device for its implementation // 2607397
FIELD: waste processing and recycling.SUBSTANCE: invention relates to recycling of industrial and household wastes by their processing. Method comprises continuous feed of a solid fuel into a shaft onto its combustion grate to make on it from the top to the bottom a distribution of the solid fuel, herewith the continuous feed of the solid fuel into the shaft onto its grate is performed with the solid fuel being uniformly distributed within the volume of the shaft starting from the grate and upward to the place of its loading. At the bottom of the shaft in the area of the producer gas outlet an afterburning zone is formed of the slag and ash passed through the grate. Producer gas is removed in the common flow of the producer gas removal from the shaft, herewith onto the grate an active layer of slag and ash is formed, the activity of which and its level is controlled by the position in the shaft of the high-temperature zone in the solid fuel and the rate of passage of slag and ash downward the shaft into the zone of their afterburning. Preliminary the grate is arranged in the shaft horizontally, and its gear wheels are forcedly rotated in the same direction or in different ones while activating the adjoining layer of slag and ash.EFFECT: technical result is gasification of full volume of the processed solid fuel and effective control over the process of reverse gasification.3 cl, 1 dwg
ethod of controlling process control and list of produced oil products during oil refining (versions) // 2607089
FIELD: oil industry.SUBSTANCE: invention relates to a method of controlling process and list of produced oil products during oil refining. Method comprises the most complete physical separation into fractions and is characterised by that to increase output of most valuable light fractions, oil is subjected to cryolysis at temperature not higher than -15 °C for not less than 20 hours with preliminary addition of a donor additive (water) in amount of not less than 1 % at different processing steps: before fractionation, instead of vacuum distillation at oil fields, where simultaneously with increase in content of fuel fractions in oil fractions there is its dewatering and desalination (partial or complete), as well as in various combinations of processing steps, for example before fractionation and instead of vacuum distillation or at oil fields and instead of vacuum distillation.EFFECT: use of disclosed method makes it possible to increase number of extracted fuel fractions.1 cl, 1 dwg, 5 tbl
ethod of processing liquid hydrocarbon product // 2607087
FIELD: oil industry.SUBSTANCE: present invention relates to a method for treatment of a liquid hydrocarbon flow of oil or gas-condensate origin, involving hydrogenation, isomerisation of raw product in cavitation mode of its mixture with water. Surfactant is fed into flow of mixture, and mixture is treated by continuous scheme in cavitation mode, created by a pump-cavitator, at temperature +20…+90 °C. As a rule, amount of water in mixture is 10÷25 vol% of raw product, and amount of surfactant is 0.1÷0.5 vol% water, and treatment is carried out in one or more steps.EFFECT: technical result of present invention is simplification of technological process.3 cl, 4 dwg, 3 ex
ethod of coal or coal mix expansion pressure determining and device for its implementation // 2606992
FIELD: fuel.SUBSTANCE: invention relates to method and device for coal or coal mixture expansion pressure determination by means of laboratory examination. Sample in form of coal or coal mixture is heated in perforated sleeve located inside crucible. Between sleeve external surface and crucible inner surface located granulated inert material in form of granules of coke slag or anthracite with granule size exceeding diameter of holes in sleeve. Crucible is placed in electric furnace and heated in circumferential direction at rate of 3 K/min from ambient temperature to final temperature of coal plasticity. Temperature is measured using temperature measuring device, located on sleeve wall, and piston arranged on sample from above, transmits sample expansion pressure force to force measuring system, and expansion pressure is determined based on measured force. Device consists of electric furnace 1 accommodating crucible 2. Perforated sleeve 3 with arranged on its surface protected temperature measuring device 5 is located inside crucible. Coal sample 4 is placed in sleeve and pressed by piston 6 located on sample surface and connected with force measuring system 7, and control system 8 is made with possibility to control heating and pressure measurement.EFFECT: technical result is reliable determination of coal or coal mixture expansion pressure by simulating such coal behavior, which is observed in coke chamber during industrial process.7 cl, 2 dwg
ethod of evaluating coke extrusion force and coke furnace repair method // 2606978
FIELD: metallurgy.SUBSTANCE: invention relates to a method of estimating extrusion of coke required for extrusion of coke from a coke furnace, as well as to a method of repairing a coke furnace using the said method. Extrusion force evaluation device 1 comprises furnace wall profile detection unit 171, which measures irregularities on inner surfaces of the coke chamber walls for detecting the furnace walls profiles. Coke shape evaluation unit 173 evaluates outer shape of the coke obtained in the coke chamber by profiles of the furnace walls. Extrusion force evaluation unit 175 is intended for determination of active state for the coke side surface position, in which the width of the coke is less than the furnace width, and for determination of passive state for the coke side surface position, wherein the width of the coke exceeds the width of the furnace, by profiles of the furnace walls and outer shape of the coke. Then extrusion force evaluation unit 175 calculates the force of friction on the wall of the furnace for each position of the coke side surface using a pre-set apparent Young's modulus of the coke elasticity depending on the determination of the active or the passive state for the position of the coke side surface to estimate the extrusion force by friction against the wall of the furnace.EFFECT: technical effect is high accuracy of estimating coke extrusion force and creating a method of repairing a coke furnace effectively preventing occurrence of a stop and a blockage of the furnace, which hinder extraction of coke.4 cl, 10 dwg
ethod of anti-turbulent additive producing with monomer recycling // 2606975
FIELD: machine building.SUBSTANCE: invention relates to production of anti-turbulence additives, reducing hydrodynamic resistance in oil and oil products transportation pipelines. Disclosed is anti-turbulent additive producing method with monomer recycling with (co) polymerization in mass of higher α-olefins to preset degree of conversion of 5–15 %. Formation of (co) polymer solution in monomer involves (co) polymer depositing due to reaction mixture contact with precipitator with simultaneous polymerization process stoppage. Used precipitation agent is substance with boiling temperature higher than monomer boiling point. Before obtained (co) polymer deposition precipitator is placed in separate deposition reactor and heated to temperature of 40–75 °C. Supply of polymerization product in precipitator is carried out at precipitator excess in vol. ratio of polymer:precipitator from 1:1.35 to 1:3.8. Deposition is carried out in deposition reactor by mechanical mixing at mixing rate of 300 rpm with simultaneous distillation of unreacted monomer. Anti-agglomerator is added after reaching of polymer content level in suspension, corresponding to its required amount in additive.EFFECT: technical result is combination of anti-turbulent additive producing process stages, providing sparing unreacted monomer regeneration conditions for preservation of its structure, reducing duration of polymer presence in monomer solution to reduce its mechanical destruction.1 cl, 2 tbl, 8 ex
Process for maximum distillate production from fluid catalytic cracking units (fccu) // 2606971
FIELD: chemistry.SUBSTANCE: invention relates to a method for increasing middle distillate production and quality from a hydrocarbon feed. Method includes: a) delivering a partially-regenerated catalyst or a fully- regenerated catalyst, having MAT activity (MAT - microactivity) from 30 wt% to 65 wt%, to a first riser reactor and fully- regenerated catalyst having MAT activity from 50 wt% to 80 wt%, to a second riser reactor; b) cracking first feed in first riser reactor, where catalyst has carbon content on regenerated catalyst (CRC) of 0.2 wt% to 0.5 wt%, to obtain a first cracked product and spent catalyst; c) separating said first cracked product including a middle distillate from said spent catalyst in a single reactor vessel; d) recovering said first cracked product including said middle distillate and separating uncracked bottoms from said first cracked product; e) cracking second feed containing uncracked bottoms from step (d) in second riser reactor to produce a second cracked product; f) separating second cracked product including LHG and middle distillate from spent catalyst in said single reactor vessel; and g) passing spent catalyst from first and second riser reactors to a single two-stage catalyst regenerator device, where spent catalyst is partially regenerated in first stage of said two-stage catalyst regenerator to obtain said partially regenerated catalyst and part of said partially regenerated catalyst is fed into second regeneration stage of said two-stage catalyst regenerator to obtain fully regenerated catalyst, said catalyst regeneration device provides said partially regenerated catalyst and said fully regenerated catalyst, having a different MAT activity. Invention also relates to a system.EFFECT: use of present method enables to maximise production required product.32 cl, 6 dwg
ethod of production and use of hydrocarbon fuel // 2606948
FIELD: fuel.SUBSTANCE: invention relates to a method of production and use of hydrocarbon fuel. Method involves or extraction of CO2 from flue gas burning object purchased hydrocarbon fuel or CO2 on the side or extraction of CO2 from air, or simultaneous or partial use of all three specified sources of CO2, and includes extraction of H2 from water by its electrolysis with using electric power of wind-driven power plant (WDPP) with subsequent joint CO2 and H2, reaction which enables hydrocarbon fuel. Method is characterized by what is performed by WEA with wind turbine (wind turbines) with vertical rotation axis, and this WEA operates in a single process scheme on a common production platform with an object, hydrocarbon fuel firing, and complex technology of hydrocarbon fuel production prototype is performed inside the building volume of the WDPP support tower.EFFECT: use of the present invention enables to reduce noise, thermal and chemical contamination of the environment, as well as to obtain hydrocarbons using a compact assembly of the equipment.1 cl, 15 dwg
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
Aqueous pour point depressant dispersion composition // 2606626
FIELD: oil industry.SUBSTANCE: invention relates to an aqueous pour point depressant dispersion composition for improving fluidity of crude oil at low temperatures. Composition contains an ethylene vinyl acetate copolymer, a dispersing agent, water and optionally an aqueous pour point depressant.EFFECT: obtained pour point depressant lowers setting point of crude oil, exists in liquid state in a wide temperature range and demonstrates long-term resistance to creaming.11 cl, 1 dwg, 3 tbl, 10 ex
ethod for preparing aqueous pour point depressant dispersion composition // 2606625
FIELD: oil and gas industry.SUBSTANCE: invention relates to method of preparing an aqueous pour point depressant dispersion composition for improving fluidity of crude oil at low temperatures. Method comprises steps of combining in an extruder ethylene vinyl acetate copolymer, a dispersing agent and water to form an aqueous dispersion of ethylene vinyl acetate copolymer which optionally can be mixed with an aqueous freezing point depressant.EFFECT: obtained pour point depressant reduces pour point of crude oil, exists in liquid state in a wide temperature range and demonstrates long-term resistance to creaming.10 cl, 1 dwg, 3 tbl, 10 ex
ethod for preparing liquid hydrocarbon product from biomass-produced synthetic gas // 2606508
FIELD: oil and gas industry; technological processes.SUBSTANCE: invention relates to a method of producing liquid hydrocarbon product from synthetic gas obtained from biomass. Method includes following steps: 1) mixing a crude synthetic gas produced in a biomass gasifier with a hydrogen-rich gas, where volume ratio of hydrogen-rich gas to crude synthetic gas is between 0.7 and 2.1; 2) feeding gaseous mixture acquired in step 1) into a dehydration apparatus to remove moisture, carbon dioxide, and other hazardous impurities contained in gas, acquiring a synthetic gas meeting requirement of a Fischer-Tropsch synthesis reaction; 3) reacting synthetic gas acquired in step 2) in a Fischer-Tropsch synthesis reactor, where synthesis is carried out in presence of a catalyst to produce a liquid hydrocarbon product at 150 °C to 300 °C and pressure between 2 and 4 MPa, and discharging water generated during synthesis, 4) returning 70 vol% to 95 vol% of discharged exhaust produced in step 3) to step 3) to be mixed with synthetic gas and then feeding gas mixture into Fischer-Tropsch synthesis reactor.EFFECT: reduced amount of carbon dioxide as compared to existing methods.10 cl, 1 tbl, 1 dwg, 7 ex
Graft polymer and thermoreversibly cross-linked bitumen/polymer composition containing such graft polymer // 2606499
FIELD: chemistry.SUBSTANCE: invention discloses a graft polymer, comprising a main polymer chain P, containing conjugated diene links; at least one side graft chain G, represented by general formula (1) R-(OCH2CH2)m-S-, (1), where R is a saturated, linear or branched hydrocarbon chain, containing at least 18 carbon atoms, and m is an integer, ranging from 0 to 20, wherein said graft chain G is bonded to main polymer chain P through a sulphur atom of formula (1); and at least one grafted chain G', represented by general formula (4) -S-R’-S-, (4), where R’ is s hydrocarbon group, saturated or unsaturated, linear or branched, cyclic and/or aromatic, containing from 2 to 40 carbon atoms, optionally containing one or more heteroatoms, wherein said graft chain G' is bonded to main polymer chain P using each sulphur atom from formula (4). Invention discloses a method of producing graft polymer and use thereof to obtain thermoreversibly cross-linked bitumen/polymer composition. Present invention also relates to thermoreversibly cross-linked bitumen/polymer composition, containing such graft polymer, method for production thereof and to a bitumen mixture, including such composition.EFFECT: technical result is improvement of rheological properties, in particular, mechanical and elastic properties, and cohesive capacity thermoreversibly cross-linked bitumen/polymer compositions.20 cl, 2 tbl
ethod for treating steel band or plate provided with metal coating with after-treatment agent, and steel band or plate provided with metal coating // 2606436
FIELD: technological processes.SUBSTANCE: invention relates to a method for treating a steel band or steel plate provided with a metal coating with an after-treatment agent. After-treatment agent comprises at least one polyalkylene glycol and a fluorescent antioxidant, which is fluorescent when excited with light during fluorescent spectroscopy. Agent is applied in form of a liquid solution on surface of metal coating. Further, invention relates to steel band or steel plate with metal coating, particularly to white tin, which on surface of metal coating comprise a thin layer of said after-treatment agent.EFFECT: invention provides better wetting with paint material and better adhesion of paint material and simultaneously as low coefficient of friction surface as possible, as well as good processibility of steel band or steel plate with coating.14 cl
Operating method of loose material gateway // 2606422
FIELD: gas industry.SUBSTANCE: invention relates to gas industry. Operation of gasifier gateway with fixed bed of coal is performed by coal loading in gateway through one hole and unloading of coal from gateway through other hole into reactor under excess pressure of process gas. Both holes are equipped with self-sealing gates. Before gateway filling pressure is reduced to ambient pressure and gateway is blown-off by inert gas. After gateway filling with coal at mechanically closed hole pressure in gateway is increased with help of inert gas to such values that self-sealing gate hermetically closes hole. Prior to emptying pressure in gateway is increased by means of process gas to pressure in reactor.EFFECT: higher efficiency and reliability, simplified operation of gateway are provided.3 cl, 1 dwg
Thread lubricant // 2606388
FIELD: machine building.SUBSTANCE: present invention relates to thread lubricant composition based on of industrial oils I-20A and PAOM-20, containing calcium stearate, calcium oxide, acetic acid, Maksoil D depressing agent, wherein it contains graphene concentrate and components, in following ratio of components, wt%: Sr.No Component Content, wt%. PAOM – 20 From 23.12 to 28.87 I-20A From 44.88 to 56.04 Calcium stearate From 8.42 to 6.80 Calcium oxide From 2.04 to 2.12 Acetic acid From 2.14 to 3.17 Maksoil D From 1.02 to 1.27 Graphene concentrate From 2 to 18. EFFECT: technical result of this invention is improved lubricant tribological characteristics on threaded connections surface of casing, tubing and line pipes, increasing in lubricant sealing capacity at normal and low temperatures, as well as improvement of antiscuff properties.1 cl, 2 tbl
ethod for processing oil wastes // 2606385
FIELD: oil and gas industry; waste processing and recycling.SUBSTANCE: present invention relates to a method of processing oil wastes containing water and mechanical impurities. Method comprises pre-activation of homogenised raw material with electromagnetic radiation with frequency 40.0–55.0 MHz, radiation power 0.2–0.6 kW for 1–8 hours, then activated material is heated in a single-flow vertical reactor in two stages, first stage is carried out at temperature of 110–120 °C with formation of steam-gas phase of first stage with its output from top of reactor, second stage is carried out at temperature of up to 375–400 °C with formation of steam-gas phase of second stage, coming from top of reactor, and solid residue with subsequent separation of steam-gas phases of first and second stages into water, liquid hydrocarbon phase and gas. Raw material is heated by means of high-frequency inductors with frequency of 8–20 kHz and power of 40–80 kW in presence of pre-heated steel balls fed into reactor cavity while ensuring their rotational motion in raw material under action of electromagnetic field, generated by inductors of low frequency 45–55 Hz and power of 6–10 kW, and inductors are arranged in series along reactor height with alternating low and high-frequency inductors, starting from low frequency inductor, located in upper part of reactor.EFFECT: proposed method enables to obtain desired products with high output, as well as increase content of hydrogen in obtained hydrocarbon gas.1 cl, 1 ex
ethod of hydrocracking with suspended catalyst layer // 2606117
FIELD: chemistry.SUBSTANCE: invention relates to a method of hydrocracking with suspended catalyst layer. Method comprises feeding one or more hydrocarbon compounds, having initial boiling point of at least 340 °C, and suspension catalyst in hydrocracking zone with a suspended catalyst layer. Suspended catalyst contains red mud, in which there is 1) from 40 to 50 wt% of iron; 2) from 3 to 14 wt% of aluminium; 3) not more than 10 wt% of sodium; 4) from 3 to 8 wt% of calcium. All values of percentage content of catalytic component relate to metal and are obtained per weight of dried suspension catalyst.EFFECT: proposed method simplifies process and reduces costs for raw materials due to use as catalyst of red mud with increased content of iron, minimises toluene-insoluble organic residues.8 cl, 4 tbl, 1 dwg
Continuous cleaning of motor oils // 2606116
FIELD: treatment.SUBSTANCE: present invention relates to method of fouled motor lubricant oil continuous cleaning from impurities, which includes: contaminated lubricating oil supply together with liquid separation agent from engine oil system tank into two-phase separator, wherein two-phase separator consists of separating discs pile and auger, wherein said engine oil system tank is connected with engine for supply of lubricating oil to said engine; supply of contaminated lubricating oil and separating agent into rotary centrifugal rotor separation chamber in two-phase separator; separation of contaminating particles together with liquid separation agent from oil in separation chamber under centrifugal force; continuous output of contaminating particles and liquid separation agent phase from separation chamber with help of two-phase separator screw; cleaned oil output from separation chamber through central light phase discharge back into engine oil system tank and continuous addition of liquid separation agent to oil, continuous circulation of lubricating oil from engine oil system tank to engine; continuous circulation of lubricating oil from tank to two-phase separator. Present invention also relates to contaminants continuous separation system from engine lubricating oil.EFFECT: technical result of this invention is improved separation of different density two liquid phases in centrifugal separator.16 cl, 3 dwg
ethod of purifying olefinic feedstock using adsorbent comprising zeolite of 12mr type // 2606115
FIELD: technological processes.SUBSTANCE: invention relates to a method of purifying hydrocarbon feedstock containing olefins and at least one impurity, containing at least one heteroatom, involving a step of contacting feedstock with an adsorbent containing 93 wt% to 99.8 wt% zeolite and from 0.2 to 7 wt% binder, wherein zeolite relates to type 12MR, wherein said zeolite contains silicon and an element T, selected from a group consisting of aluminium, boron, gallium and iron, and atomic ratio Si/T in zeolite is less than 20.EFFECT: used adsorbent has low chemical activity, which does not lead to reduction of capacity for adsorbing impurities.15 cl, 4 tbl, 5 ex, 2 dwg
Wet quenching tower for quenching hot coke // 2605975
FIELD: technological processes.SUBSTANCE: invention relates to wet quenching of hot coke and can be used in coke-gas and coke-chemical industry. Wet quenching tower for quenching hot coke, comprises quenching chamber (2), quenching shower unit (3) above quenching chamber (2), chimney (4) placed onto quenching chamber (2), and at least one vertical-through-flow separation device (6) which is arranged horizontally or inclined to vertical. Flow separation device (6) is configured to provide vertical flow and comprises plates (7), between which is formed a flow path which changes its direction. Above shower unit (3) there is spraying device (5). Hot coke is fed into quenching chamber (2), cooled with water and quenching steam is directed through separation device (6). Quenching steam is further sprayed with water above shower unit (3) and before reaching separation device (6). Cleaning of separation device (6) is performed by means of cleaning device (9).EFFECT: invention enables efficient separation of drops of water and simple purification.9 cl, 4 dwg
Alternative motor fuel and production method thereof // 2605954
FIELD: fuel.SUBSTANCE: invention discloses alternative motor fuel with octane number of not less than 85.0 units, defined by motor method, which includes ethyl alcohol and hydrocarbon fraction, wherein used hydrocarbon fraction is hydrocracking process gasoline fraction, boiling out at temperatures range of 28–225 °C, with following ratio of components, wt%: ethyl alcohol 54–85; hydrocarbon fraction to 100. Also disclosed is alternative motor fuel producing method.EFFECT: alternative motor fuel has octane number of not less than 85 units, defined by motor method, low content of washed and unwashed tars (not more than 5 mg/100 cm3) and sulphur (no more than 50 mg/kg), as well as corresponding to main requirements for FFV-cars fuels parameters according to ASTM D5798, EN 15293 and GOST R 54290.5 cl, 4 tbl
ultifunctional aviation petrol additive (versions) // 2605953
FIELD: oil industry.SUBSTANCE: invention discloses multifunctional additive to aircraft fuel including tetraethyllead, 1,2-dibromoethane and 2,6-di-tert-butyl-4-methylphenol, additive has crystallization point above minus 40 °C and contains hydrocarbon fraction with temperature of end boiling point not higher than 201 °C, pressure of saturated vapor at 38.7 °C is not more than 51 kPa, containing no less than 10 wt%. of aromatic and no more than 2 wt% of unsaturated hydrocarbons, in following proportions, wt%: tetraethyllead 5.0–50.0, 1,2-dibromoethane 3.0–30.0, 2,6-di-tert-butyl-4-methylphenol 0.1–1.0, hydrocarbon fraction up to 100. Multifunctional additive to aircraft fuel is also disclosed containing ethyl liquid TEL-B and hydrocarbon fraction with boiling end temperature not higher than 201 °C.EFFECT: technical result consists in producing multifunctional additive with improved low-temperature properties and improving antiknock properties of aircraft fuel, when introduced into aircraft gasoline, as well as its chemical stability.7 cl, 4 tbl
Alternative motor fuel and production method thereof // 2605952
FIELD: fuel.SUBSTANCE: disclosed alternative motor fuel with octane number of not less than 92.0 units, defined by research method, includes ethyl alcohol and hydrocarbon fraction and is characterized by fact, that used hydrocarbon fraction contains hydrocracking process gasoline fraction, boiling out at temperature range of 28–225°C, with following ratio of components, wt%: ethyl alcohol 20–40, hydrocarbon fraction to 100. Also disclosed is alternative motor fuel producing method.EFFECT: technical result consists in producing of alternative motor fuel, which has octane number of not less than 92 units, defined by research method, low content of washed and unwashed tars (not more than 5 mg/100 cm3) and sulphur (no more than 50 mg/kg), high chemical stability (induction period of more than 360 min) and also improved anticorrosion properties, as well as corresponds to main requirements for motor gasoline parameters according to GOST 32513, GOST R 51105, GOST R 51866, EN228 and standards for fuels for FFV-cars according to ASTM D5798, EN 15293 and GOST R 54290.6 cl, 4 tbl
ethod of composite fuel producing and device for its implementation // 2605951
FIELD: fuel.SUBSTANCE: invention describes composite fuel producing method, including solid component grinding, ground particles mixing with liquid component, wherein used solid component is oil shale, grinding is performed by impact-shearing effect by impact with shifting with ultra-fine particles grinding to sizes of 10.0–15.0 µm, used liquid component is water hydrocarbonic emulsion, produced from water and heavy oil residue heated to 60–95 °C, then performing milled solid component mixing with water hydrocarbonic emulsion, mixture is subjected to hydro-percussion impact in cavitation field to produce solid component particles with sizes of 5.0–15.0 µm. Also disclosed is composite fuel producing device.EFFECT: technical result consists in production of composite fuel, which possesses storage stability for not less than 30 days at 20–25 °C, viscosity at 80 °C of 6–16 degrees RV.2 cl, 1 dwg, 1 tbl
ethod of vacuum distillates processing // 2605950
FIELD: fuel.SUBSTANCE: invention relates to of vacuum distillates processing method with production of Euro-5 class diesel fuel, used in cold and Arctic areas. Method includes stages of raw material hydrogenation refining and residue fraction catalytic cracking, produced from hydrogenation refining products, mixing of hydrogenation refining and catalytic cracking stages diesel distillates in ratio from 10:90 to 50:50 wt % and their combined hydro-fining. At that, produced at hydro-fining stage hydrogenation product is divided by fractionation into two fractions: light diesel fraction, boiling out within temperature range 140–300 °C, and remaining heavy diesel fraction boiling out at temperature up to 360 °C, then heavy diesel fraction is subjected to catalytic dewaxing at temperature of 320–400 °C, pressure of 3.0–10.0 MPa, raw material supply volumetric flow rate of 0.6–3.0 hour-1 and further hydro-fining – dearomatizing at temperature of 300–400 °C, pressure of 3.0–10.0 MPa, raw material supply volumetric flow rate of 3.0–10.0 hour-1.EFFECT: disclosed method enables to increase output of diesel fuel.5 cl, 3 ex
ethod of producing catalyst for intensification of extraction of heavy hydrocarbon raw material and method for application thereof // 2605935
FIELD: chemistry.SUBSTANCE: invention relates to a method of producing a catalyst for intensification of extraction of heavy hydrocarbon raw material. Method comprises reaction of when heating from 80 to 180 °C variable-valence metal oxide and alkylbenzene sulphonic acid. Variable-valence metal used is molybdenum (VI) Mo, tungsten (VI) W or chromium (VI) Cr. Invention also relates to a method of using obtained catalyst, which comprises dissolving catalyst in a solvent and introducing into a formation.EFFECT: technical result is reducing content of heavy fractions and increasing content of light fractions, in significant (up to 65 %) reduction of viscosity and high oil flow, helping to significantly increase efficiency of process of production and transportation of heavy hydrocarbon raw material.9 cl, 3 ex

Lubricant for lubricating conveyor belts with reduced use of water // 2605750
FIELD: chemistry.SUBSTANCE: present invention relates to a lubricant for chains or conveyor belts containing silicone oil with the viscosity of 70-200 cSt at room temperature, polyfunctional amine and at least one additive selected from a group consisting of anionic, nonionic, cationic and/or amphoteric surfactants, in the form of emulsion in the aqueous phase, where the amine is selected from amine salts, in which cation comprises primary, secondary, tertiary and/or quaternary amines, and anion represents an organic group with molecular weight more than 350, and where the lubricant for chains or conveyor belts comprises: - 10-95 wt% of aqueous phase, - 0.01-30 wt% of silicon oil, - 3.00-40 wt% of polyfunctional amine, and - 0.01-25 wt% of surfactant. Present invention also relates to a method of lubrication of conveyor belts for bottles, cans and other containers and boxes with reduced use of water, to the use of the lubricant for chains or conveyor belts (versions).EFFECT: production of a lubricant, which is suitable for transfer of glass bottles along metal guides and in which the vast water consumption is eliminated, which is used in case of wet lubrication of conveyor belts, without the need for expensive conversion of the plant.17 cl, 5 tbl, 3 ex

ethod and device for sulphur compounds extraction in hydrocarbon flow // 2605747
FIELD: technological processes.SUBSTANCE: present invention relates to sulphur compounds in hydrocarbon flow extracting method. Method involves supply of hydrocarbon flow containing sulphur compounds, into preliminary washing zone, containing ammonia, extraction of hydrocarbon flow subjected to preliminary washing from preliminary washing zone and supply of hydrocarbon flow subjected to preliminary washing into mass transfer zone for extraction of one or more thiol compounds from hydrocarbon flow subjected to preliminary washing. Said mass transfer zone includes hollow-fiber membrane contactor, and thiol compounds removal takes place through pores in pipes wall.EFFECT: said method enables to minimize number of equipment required for thiol compounds removal, and wherein liquefied petroleum gas or light naphtha have required characteristics.11 cl, 3 dwg

ethod of reducing content of organic chlorides in oil // 2605601
FIELD: oil industry.SUBSTANCE: present invention relates to a method of reducing content of organic chlorides in oil. Method includes preliminary dehydration and degassing of oil, heating oil with extraction of organic chlorides, discharge of purified oil. Preliminary dehydration is performed to oil water content of not more than 1 %, heating is carried out to temperature, which enables to distill a fraction from oil in a rectification column, said fraction containing organic chlorides and boiling at atmospheric pressure in temperature range from initial boiling point to 204 °C, and part of distilled fraction - reflux is used for irrigation of rectification column, volume of reflux is defined empirically depending on structural features of said column and oil volume, fed for distillation.EFFECT: proposed method enables to obtain purified oil with content of organic chlorides of less than 10 ppm.1 cl, 1 dwg, 1 ex

ethod of catalytic cracking for treatment of fractions with low conradson carbon residue // 2605547
FIELD: chemistry.SUBSTANCE: invention relates to a catalytic cracking process in fluid bed of a slightly coking carbon feedstock, having Conradson carbon residue equal to or less than 0.1 wt% and hydrogen content equal or greater than 12.7 wt% comprising at least a feedstock cracking step in presence of a catalyst, a step for separation/stripping effluent coked catalyst particles and a regeneration step of said particles by partial or complete combustion of coke, and recycle of catalyst homogeneously distributed and slightly coked catalyst before regeneration of at least one coking carbonaceous and/or hydrocarbon effluent. Method is characterised by that quantity of coking effluent fed into coked catalyst is adjusted to provide an amount of additional coke Qr of catalyst and satisfy equation (I): Qt=Qi+Qr (I), where Qi is initial coke content of coked catalyst after cracking of feedstock, and Qt or Delta coke is content of coke burned by complete or partial combustion, necessary to maintain thermal balance of process and to maintain regenerated catalyst at a temperature equal to or higher than 690 °C, preferably, wherein said coking effluent has content of aromatic compounds greater than 50 wt% and comprising 20 wt% or more. Invention also relates to a device for implementation of said method.EFFECT: use of present invention enables to compensate for heat balance of plant.20 cl, 3 dwg, 6 tbl, 2 ex

Improved device for extracting sulphur-containing compounds by liquid-liquid extraction by means of a sodium hydroxide solution with optimised final washing step // 2605441
FIELD: chemistry.SUBSTANCE: method is implemented by extraction in a "liquid-liquid" system with sodium hydroxide solution, using unit (2) for pretreatment of feedstock to be treated, placed upstream of extraction unit (4), sodium hydroxide being introduced into column (4) by means of two separate circuits functioning as described in patent claim.EFFECT: disclosed is a method for selective extraction of sulphur-containing compounds from gasoline fraction of hydrocarbons or liquefied petroleum gas.1 cl, 3 dwg, 1 tbl, 7 ex

ethod and arrangement for efficient torrefaction of biomass // 2605416
FIELD: wood-working industry.SUBSTANCE: invention discloses a method for torrefaction of wood chips, comprising steps of: a) heating wood chips in at least one heating zone such that temperature of wood chips reaches a torrefaction temperature in range of 240-400 °C; and b) torrefying heated wood chips from step a) in a separate torrefaction zone by maintaining temperature within torrefaction temperature range, wherein heated wood chips from step a) are fed to torrefaction zone at its top, and torrefied material is withdrawn from torrefaction zone at its bottom, such that wood chips move downwards through torrefaction zone by means of gravity, wherein separate torrefaction zone is not externally heated; torrefaction temperature is controlled by measuring surface temperature of wood chips using a first infrared thermometer in upper part of torrefaction zone and a second infrared thermometer in lower part of torrefaction zone; and temperature is maintained within torrefaction temperature range by controlling amount of air or oxygen, fed into torrefaction zone. Also disclosed is a device for torrefaction of wood chips.EFFECT: technical result is developing an energy-efficient torrefaction process, in which torrefaction temperature control is performed by feeding a controlled amount of air or oxygen into torrefaction zone.12 cl, 4 dwg

Lubricant composition having improved antiwear properties // 2605413
FIELD: chemistry.SUBSTANCE: present invention relates to a lubricant composition with improved anti-wear properties, measured on a four-ball machine containing: base oil in amount, greater than 85 wt% of weight of said lubricant composition; one or more corrosion inhibitors based on alkylethercarboxylic acid of formula (I), where R is C6-C18 alkyl group with an unbranched or branched chain, and n is a number from 0 to 5; and ashless antiwear phosphorus-containing additive selected from (1) butyltriphenyl phosphorothionate, (2) nonyltriphenyl phosphorothionate, (3) amine phosphate and ditridecylamine, (4) neutral dialkyl dithiophosphate, (5) isopropyl phosphorodithioate and ditridecylamine, (6) acidic dialkyl dithiophosphate and (7) acidic dialkyl dithiophosphate and ditridecylamine and combinations thereof, where antiwear properties, measured on four-ball machine are presented in form of average diameter of wear spots in accordance with a standard by ASTM D4172 method, where average diameter of wear spots is at least 7 % less than average diameter of wear spots caused by a standard, containing said base oil, antiwear additive and said one or more corrosion inhibitors based on alkylethercarboxylic acid, where said lubricant composition contains less than 1 wt% water, where said lubricant composition contains from 0.01 to less than 0.1 wt% of said one or more corrosion inhibitors based on alkylethercarboxylic acid, and where said lubricant composition contains an antioxidant. Present invention also relates to a method of making a lubricant composition and a method of reducing wear of metal.EFFECT: obtaining a lubricant composition with excellent anti-wear and anticorrosion properties.20 cl, 6 tbl (I)

Hydrocarbon conversion catalyst // 2605406
FIELD: chemistry.SUBSTANCE: invention relates to a method of increasing output of aromatic compounds and reducing output of C1-C4-compounds when reforming naphtha and to use of a catalyst for increasing output of aromatic compounds and reducing output of C1-C4-compounds when reforming of naphtha. Catalyst contains platinum, potassium or lithium, cerium, tin, chloride and substrate. Average packed density of catalyst ranges from 0.300 to 1.00 g per cubic centimeter. Content of platinum is less than 0.6 % (wt).EFFECT: content of potassium or lithium ranges from 50 to 1,000 ppm (wt), and cerium content ranges from 0,05 to 2 % (wt).7 cl, 1 tbl, 1 dwg, 5 ex

Bitumen composition // 2605256
FIELD: chemistry.SUBSTANCE: invention relates to asphalt compositions and can be used for producing bitumen compositions used in road construction. Disclosed is a bitumen composition used in road construction, including a mixture of oxidised bitumen with a non-oxidised oil product. Non-oxidised oil product is still residue from fractionation of products of catalytic cracking of vacuum distillate and further includes a compressing-dispersing additive at a ratio of respectively, oxidised bitumen: still residue from fractionation of products of catalytic cracking of vacuum distillate: compressing-dispersing additive 97.2-99.5:0.4-2.5:0.1-0.3 wt%.EFFECT: technical result is simple make-up of bitumen composition with simultaneous improvement of quality characteristics.1 cl, 1 tbl

Process for dry quenching of coke with steam with subsequent use of synthesis gas produced // 2605125
FIELD: chemistry.SUBSTANCE: present invention relates to by-product coke industry. Coal (2) is heated in coke oven (1). Obtained coke (5a) is pushed out into coke quenching car (6) and moved to coke quenching device (7). Incandescent coke (5a) is quenched to a temperature below kindling temperature by means of steam (8) under exclusion of air. Steam (8) for quenching is first divided into at least into two substreams. One substream of steam (8) is fed into coke quenching device (7) from below upwards in vertical flow direction, and substream of steam (8) is fed into part of coke quenching device (7), in which coke (5a) to be quenched has a temperature of 500-900 °C. Obtaining synthesis gas (9).EFFECT: invention enables to efficiently recycle coke heat.12 cl, 1 dwg

Catalysts // 2605092
FIELD: chemistry; technological processes.SUBSTANCE: invention relates to a method of producing catalyst precursor. Method comprises contacting a catalyst support material with a modifying component precursor in an impregnating liquid medium, optionally calcining modifying component containing catalyst support material at a temperature above 100 °C to obtain a modified catalyst support and introduction of cobalt (Co) precursor compound as an active catalyst component on and/or in (i) catalyst support material before contact of catalyst support material with precursor modifying component, (ii) modifying component containing material of catalyst support and/or (iii) modified catalyst support, by means of which a catalyst precursor is obtained. Liquid impregnation medium contains a mixture of water and organic liquid solvent for modifying component precursor, wherein solvent contains a liquid organic compound, which includes at least one heteroatom selected from oxygen or nitrogen, said mixture contains at least 2.5 % by volume of water, but less than 12 % by volume of water with respect to volume of liquid impregnation medium. Catalyst support material is selected from a group consisting of a catalyst support precursor, which can be turned into a catalyst support by calcining, wherein catalyst support is in form of metal oxide, which is a metal oxide selected from a group consisting of Al, Si, Ti, Mg, Zr and Zn, and catalyst support, selected from a group consisting of aluminium oxide in form of one or more aluminium oxides, silicon dioxide (SiO2), titanium dioxide (TiO2), magnesium oxide (MgO), zirconium oxide (ZrO2), zinc oxide (ZnO) and mixtures thereof. Modifying component precursor contains a compound of modifying component, selected from a group consisting of Si, Zr, Ti, Cu, Zn, Mn, Ba, Ni, Al, V, W, La and mixtures of two or more thereof, by means of which modifying component containing material of catalyst support is obtained. Invention also discloses a method of producing a catalyst and a method for synthesis of hydrocarbons.EFFECT: invention increases amount of modifying component, which is deposited on support, and increases resistance to abrasion of modified support.11 cl, 4 dwg, 7 tbl, 41 ex

Improved device for sulphur-containing compounds extraction, containing periodic pretreatment reactor, and reactor operating in preliminary treatment displacement mode // 2605087
FIELD: technological processes.SUBSTANCE: present invention relates to method of sulphur-containing compounds extracting from hydrocarbons gasoline fraction or liquefied petroleum gas by extraction in “liquid-liquid” system with sodium hydroxide solution using pretreatment of raw material to be cleaned, which is located upstream of sodium hydroxide extraction plant. At that, preliminary treatment plant consists of first reactor operating in intermittent mode, and in-series installed second flow reactor operating in displacement mode, characterized by Peclet number from 3 to 10, preferably from 3 to 5, where U denotes linear speed of hydrocarbon phase flow in reactor, L is reactor length and Dax is hydrocarbon phase longitudinal mixing coefficient in second reactor.EFFECT: disclosed method enables to considerably increase cleaning process efficiency.5 cl, 4 dwg, 3 ex

Briquetted graphite lubricant // 2604880
FIELD: metal processing.SUBSTANCE: present invention relates to briquetted graphite lubricant, used in hot metal forming, which are graphite blocks, impregnated with aqueous solution containing a surfactant and water soluble inorganic fusible components, wherein latter are selected from a group of hydrated sodium and potassium salts of phosphorus-containing acid or mixtures thereof, preferably from a group of orthophosphates, and/or hydrophosphates, and/or polyphosphates, and/or metaphosphates, or mixtures thereof.EFFECT: technical result of present invention is higher durability of tool and quality of external surface of articles.8 cl, 1 tbl

Plant for production of pyrolysis fuel // 2604845
FIELD: fuel.SUBSTANCE: invention relates to low-temperature fast pyrolysis and can be used for production of fuel from biomass of finely disintegrated wood. Plant contains technologically interconnected storage hopper of raw disperse material (RDM) (25), combustion chamber of circulating fluidized bed (CFB) (26), pyrolysis reactor of CFB (2), cleaning cyclones of the first (7) and the second (8) stages, capacitors of the first (9) and the second (11) stages, gas blower (17) with pressure channel of recirculation gas return, pyrolysis fuel pump (13), water heat exchanger (10) with the first and second feed channels of overcooled pyrolysis gas condensate to capacitors of the first(7) and the second (8) stages, pyrolysis fuel cleaning unit (18) with impurities discharge channel (19) connected to pyrolysis fuel pump (13) and a unit for pyrolysis fuel stabilization (20) with pyrolysis fuel discharge channel (24), RDM precombustion chamber (1) with internal channel (22) for supply of heated RDM in pyrolysis reactor CFB (2) and TIV precombustion chamber (21) with internal channel (23) flow of heated TIV in pyrolysis reactor CFB (2). In the combustion chamber CFB (3) are arranged precombustion chamber (1), precombustion chamber (21) and is fitted concentrically pyrolysis reactor (2) of CFB. RDM storage hopper (25) is designed for resultant vapor removal from the hopper zone. RDM precombustion chamber (1) is configured to remove residual moisture from RDM particles by thermal shock. Channel (27) for RDM particles supply is connected with RDM precombustion chamber (1).EFFECT: higher efficiency of using carbonaceous substance combustion heat.1 cl, 4 dwg

ethod of separation by means of modified hot separator system of high efficiency // 2604740
FIELD: fuel.SUBSTANCE: invention relates to a method of producing a biodiesel fuel from a renewable raw material. Method of producing a biodiesel fuel from a renewable raw material includes deoxygenating of the renewable material in a reaction zone of deoxygenating; separating the reaction zone effluent of deoxygenating in the first liquid-vapour separator into a vaporous flow and a liquid flow, wherein the said first liquid-vapour separator operates at a temperature within the range from about 40 °C to about 350 °C; dividing the liquid flow into a circulation part and a product part; stripping the said product part from the liquid flow in a stripping column by means of a stripping gas with separation into a head steam flow and a still flow, herewith the level of contamination in the still flow of the stripping column after the first liquid-vapour separator is less than from 1/100 to 1/1,000 from the level of contamination in the still flow of the stripping column without a liquid vapour separator, herewith the said stripping column operates at a temperature within the range from about 50 °C to about 350 °C; isomerization of the still flow of the stripping column in a reaction zone of isomerization; recirculation of the circulation part from the liquid flow into the reaction zone of deoxygenating and separation of at least part of the isomerization reaction zone effluent to obtain at least one flow of the biodiesel fuel.EFFECT: technical result is production of lower levels of contaminants in the process flow.8 cl, 4 dwg, 2 tbl
 
2551002.
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