Fuels not otherwise provided for and natural gas and synthetic natural gas obtained by processes not covered by subclasses and c10g and or c10k and liquefied petroleum gas and use of additives to fuels or fires and fire-lighters (C10L)

C   Chemistry; metallurgy(318327)
C10L              Fuels not otherwise provided for; natural gas; synthetic natural gas obtained by processes not covered by subclasses ; c10g; or c10k; liquefied petroleum gas; use of additives to fuels or fires; fire-lighters(2101)

ethod and system for lignin processing // 2642787
FIELD: chemistry.SUBSTANCE: method of separating lignin from lignin-containing medium, such as liquid made in the method of processing biomass, for example, from a black alkaline solution produced in the enterprise of recycling of pulp, and processing the separated lignin, includes: the precipitation of lignin from lignin-containing liquid medium, followed by exposure of lignin hydrothermal carbonization in the wet state and the removal of carbonaceous material derived from lignin as a result of the carbonization after the implementation of the hydrothermal carbonization, the method further includes: the regulation of the particle size of the carbonaceous material by bringing the pH value of lignin in the wet state before the hydrothermal carbonization to a value exceeding 7, preferably exceeding 8. The system, a carbon-containing product and the application of the product are also declared.EFFECT: obtaining a hydrocarbon product with a controlled particle size and increasing the profitability of the process.17 cl, 2 dwg
otor oil for two-valve petrol engines // 2642459
FIELD: engines and pumps.SUBSTANCE: engine oil for two-valve gasoline engines, containing an additive package, a thickening agent of polyisobutylene and a base oil is claimed, which is characterized in that the base oil is isoparaffin oil having a viscosity of up to 2.6 mm2/s at 100°C, isolated from the hydroisomerization products of the residue of a single pass hydrocracking vacuum distillate, with the following ratio of components, wt %: additive package up to 4.6, thickener polyisobutylene 25-30, base isoparaffin oil with a viscosity of up to 2.6 mm2/s at 100°C . The motor oil further comprises a solvent in an amount of up to 10 wt %.EFFECT: test results on standard JASO FD have shown the benefits of oils for two-valve engines produced on the base of low-viscosity isoparaffin oils obtained by allocating it from hydroisomerization products balance forward hydrocracking of vacuum distillate compared to the prototype.2 cl, 4 tbl
Fuel composition // 2642080
FIELD: chemistry.SUBSTANCE: invention discloses the fuel composition for diesel engines based on diesel fuel with the addition of rapeseed oil, which additionally contains additive superantigel HG3427, with the following component ratio, wt %: rapeseed oil 5.0÷45; superantigel HG3427 3÷5; diesel fuel up to 100.EFFECT: simplification of the fuel composition structure, the possibility of reducing the load on the fuel pump parts (HPFP), the possibility of improving the reliability and durability of the fuel equipment and diesel in general.1 tbl
Fuel emulsion // 2642078
FIELD: chemistry.SUBSTANCE: invention discloses a fuel emulsion for diesel engines based on diesel fuel with the addition of alcohol, a promoter, and distilled water. Fuel emulsion additionally contains urea alkenyl-succinimide in the following ratios of components, wt %: ethanol 5.0-40.0; distilled water 0.6-4.8; urea alkenilsukcinimid 1.0-5.0; 2-ethylhexyl nitrate 1.0; diesel fuel - up to 100.EFFECT: reducing the rigidity of the combustion process of fuel emulsion in the engine, increasing the stability of emulsion and increasing the reliability and durability of the diesel engine.1 tbl

Aqueous alkanolamine absorbing composition containing pyperazin for improved removal of hydrogen sulphide from gaseous mixtures, and method of its use // 2642071
FIELD: chemistry.SUBSTANCE: aqueous solution of alkanolamine to remove acid gases, including hydrogen sulfide from gaseous mixtures containing hydrogen sulfide, includes: (i) from 20 up to 50 weight percentage of 3-(dimethylamine)-1,2-propane diol or 3-(diethylamine)-1,2-propane diol, and (ii) from 2 to 10 weight percentage of piperazine. Weight percentage is taken based on the total weight of the aqueous solution of alkanolamine and wherein the said aqueous solution of alkanolamine does not contain orthophosphoric acid, phosphoric acid, hydrochloric acid, sulfuric acid, sulfurous acid, nitric acid, pyrophosphoric acid, tellurium acid, acetic acid, formic acid, adipic acid, benzoic acid, n-butane acid, monochloroacetic acid, citric acid, glutaric acid, lactic acid, malonic acid, oxalic acid, o-phthalic acid, succinic acid, o-toluic acid. A method for removing acid gases from a gas mixture is also disclosed.EFFECT: claimed aqueous amine solution provides removal of hydrogen sulfide and carbon dioxide at a lower consumption of the absorbent.6 cl, 1 tbl, 2 dwg
Fuel for compression ignition engines based on dimethyl ether of mono-oxymethylene // 2642067
FIELD: chemistry.SUBSTANCE: invention discloses a fuel for compression ignition engines comprising dimethyl ether of mono-oxymethylene, characterized in that it contains at least 80 wt % of dimethyl ether of mono-oxymethylene and up to 20 wt % of at least one n-polyoxaalkane type oxygenate which is selected from the group consisting of dialkyl ethers of polyoxymethylene of the formula RO(-CH2O-)nR, where n=4-10 and R = an alkyl group, dialkyl ethers of polyethylene glycol and/or polyalkylene glycol monoalkyl ether formulas, and the cetane number of fuel is ≥48.6.EFFECT: reducing harmful emissions, reducing emissions of soot from the combustion of this fuel.10 cl, 11 ex, 1 dwg
ethod for manufacture and composition of igniting and heating means // 2642061
FIELD: chemistry.SUBSTANCE: invention discloses a composition of the igniting-heating means comprising a fuel body representing a solid solution of stearic acid and alcohol, characterized by the composition being a mixture of ethanol 60-70% and isopropyl alcohol 40-30%, heated to a temperature of 35-45°C, with addition of granular stearic acid and its subsequent dissolution, in which an alkali-caustic solution of 44-48% concentration is introduced, with the following ratio, wt %: stearic acid 2.5-3.5; alkali solution 6.0-8.0; a mixture of ethanol and isopropyl alcohol - the rest. A method for manufacture of a igniting and heating means is also disclosed.EFFECT: obtaining of a product with an increased shelf life, higher heat transfer and calorific value.5 cl, 3 dwg

Oligomerization of olefins for producing synthetic fuel // 2642057
FIELD: chemistry.SUBSTANCE: invention relates to a method of producing a mixed composition of synthetic hydrocarbon fuels, that comprises bringing one or more olefins into contact with a catalyst in a oligomerization reaction zone under conditions providing for the oligomerization of olefins, and removing a product stream from the reaction zone, containing the products of the oligomerization of olefins, in which a fraction is recovered from the product stream, which has the following properties: (a) the boiling point distribution is characterized by the following: (i) 10% escapes up to 205°C or less and (ii) the final boiling point is 300°C or less under the measurement in accordance with ASTM D86; (b) freezing point is -47°C or less under the measurement in accordance with ASTM D2386; (c) the density at 15°C is equal to, at least, 775.0 kg/m3 under the measurement in accordance with ASTM D4052; and (d) the total concentration of monocyclic aromatic and monocyclic nonaromatic hydrocarbons is, at least, 1 vol %; and (e) the concentration of cyclic hydrocarbons is 30 vol % or less; where the specified oligomerization catalyst is a crystalline oxide, characterized by the structure of zeolite, and having acidity for Branstad, wherein the crystals of the oligomerization catalyst comprise an inorganic oxide skeleton with a porous internal structure and an external surface, in which the ratio of the number of acid centers of Branstad on the outer surface to the inner porous structure is 0.1-20% and/or the ratio of the inner surface area of the porous structure to the external surface area of the crystal is 5-1000. The invention also relates to a composition as well as to reactive and diesel fuel.EFFECT: composition that has the required density, for use as aviation or diesel fuel, is produced.24 cl, 2 ex, 3 tbl, 3 dwg
Anti-wear additive for ultra-low sulfur fuel // 2641736
FIELD: chemistry.SUBSTANCE: invention discloses an additive for ultra-low sulfur diesel fuel that contains a hydrocarbon solvent, fatty tall oil acids, and additional vegetable oil fatty acids of the following composition, wt %: -fatty tall oil acid - 25-75; vegetable oil fatty acids - 15-65; -solvent - the rest.EFFECT: reduction of the additive cost and the expansion of resources of raw materials for their production.11 tbl
ethod of associated and natural gases processing // 2641701
FIELD: oil and gas industry.SUBSTANCE: invention relates to the method of processing natural and associated petroleum hydrocarbon gases with increased content of heavy methane homologs to fuel gas by mixing hydrocarbon gas with oxygen or oxygen-containing gas in molar ratio carbon of heavy components: oxygen 10÷1:1 and direct partial oxidation of heavy components at 350-420°C and pressure of 10-40 bar to produce steam-gas mixture containing hydrocarbon gases, CO, oxygenates and H2O, which is then mixed with oxygen or oxygen-containing gas to oxygen content of 2-5 vol. % and further oxidized in the presence of oxidation catalysts at the temperature below 350°C.EFFECT: invention makes it possible to create simpler and accessible method of processing associated oil and natural gases with increased content of methane homologs with production of fuel gas with high fuel characteristics and increase its yield.2 ex
ethod for manufacture of igniting and heating means // 2641698
FIELD: chemistry.SUBSTANCE: invention describes a method for manufacture of a igniting and heating agent, comprising preparation of fuel components, heating, mixing, bottling and cooling, followed by solidification, characterized by ethanol being initially poured into the fuel preparation vessel of the ignition and heating means and heated to temperature of 35-45°C, then granular stearic acid is added to the ethanol container and stearic acid is dissolved with stirring and subsequent heating of the mixture to a temperature not exceeding the boiling temperature of ethanol 79°C, then the mixture is saponified, for which an alkali of 44-48-percent concentration is added to the container with the heated mixture at the following component ratio, wt %: stearic acid 2.5-3.5; sodium hydroxide 6.0-8.0; ethanol - the rest, then the obtained mixture is poured into the prepared forms in a hot state, cooled and the saponified film is obtained on the outer surface of the solidified mixture.EFFECT: obtaining of an igniting means with increased shelf life and higher heat transfer.3 cl, 1 ex, 3 dwg
ethod for manufacture and composition of igniting and heating means // 2641691
FIELD: chemistry.SUBSTANCE: invention discloses a composition of an igniting and heating means comprising a fuel body representing a solid solution of stearic acid and alcohol, characterized by the composition being 100% ethanol or a mixture of 60-70% ethanol and 40-30% isopropyl alcohol preheated to a temperature of 35-45°C, and then to a temperature not exceeding the ethanol boiling point of 75-79°C, with stearic acid dissolution, in which a pre-prepared alkali solution is formed to form the film, wt %: caustic soda 35-40, water 60-56, sodium tripolyphosphate 3-5, with the following component ratio, wt %: stearic acid 2.5-3.5, alkali solution 6.0-8.0, ethanol or a mixture of ethanol and isopropyl alcohol - the rest. A method for manufacture of an igniting and heating means is also disclosed.EFFECT: obtaining of an igniting and heating agent with increased shelf life and higher heat output and lowering of harmful substances burned in the fuel.4 cl, 3 dwg

Oxygen-containing antidetonation additive to motor gasolines // 2641286
FIELD: chemistry.SUBSTANCE: invention discloses an oxygen-containing antidetonation additive for motor gasolines for spark-ignition internal combustion engines consisting of methyl tert-butyl ether. The additive additionally contains isobutyl alcohol at the following component ratio, wt %: isobutyl alcohol 20-80; methyl tert-butyl ether - the rest.EFFECT: creation of an octane-enhancing additive to motor gasoline, which has high antidetonation properties, stability in fuel storage and vehicles operation during summer.4 dwg, 3 tbl

Energy center (versions) // 2641283
FIELD: heating system.SUBSTANCE: invention discloses an energy centre including a fuel source equipped with a fuel supply line to the power receiving unit with a flue gas outlet line, a coolant production unit, wherein the fuel, oil or gas preparation, transportation or storage facility is used as the fuel source, a methanation unit with a water supply line connected by a direct heat transfer/return flow line to the coolant production unit installed on the flue gas outlet line. Also, a variant of the power centre for generating electricity, coolant, and coolant from the boiler room is disclosed, as well as an option for obtaining a coolant from the boiler house.EFFECT: improving the quality of the initial fuel, increasing the methane index and reducing the heating value by equipping the unit with a methanation block.8 cl, 3 dwg
Alternative motor fuel // 2641108
FIELD: chemistry.SUBSTANCE: invention discloses an alternative motor fuel with octane number by the research method of not less than 90 units and a vapour pressure of at least 40 kPa, which includes ethanol, aromatic hydrocarbons C7-C10, and raffinate, characterized in that it comprises raffinate of the aromatic hydrocarbon production with a vapour pressure of not less than 35.0 kPa, boiling in the temperature range of 45-120°C, with the following ratio of components, wt %: ethyl alcohol 20-40, aromatic hydrocarbons C7-C10 1-20, raffinate to 100. Alternative motor fuel must satisfy the basic requirements for the characteristics of automobile gasolines in accordance with GOST 32513 and TP TC 013/2011.EFFECT: development of alternative motor fuel with the octane number by the research method of not less than 90 units and the saturated vapour pressure of not less than 40 kPa, low sulfur, a high chemical stability, further improved anti-corrosion properties.3 cl, 3 tbl

ethod and device for producing fuel from biomass // 2640809
FIELD: chemistry.SUBSTANCE: invention discloses a method for producing fuels from biomass in which the biomass is heat treated in a temperature range of 150 to 300°C, a reactor (11) with a pressure, increased steam, and air, in which the pressure is dropped upon completion of the treatment. The amount of steam and other gases increased from the collapse is temporarily accumulated in the container (14) with an adaptive volume, and steam and other gases are subjected to heat for at least one heat exchanger (13) so that condensed gases are condensed and the heat of condensation is released to at least one heat exchanger (13). A device for producing fuels from biomass is also disclosed.EFFECT: optimisation of production costs and reduction of harmful emissions into the atmosphere when receiving fuel from biomass.16 cl, 3 tbl, 1 ex, 2 dwg

ethod and device for converting alcohol to fuel mixture // 2640801
FIELD: chemistry.SUBSTANCE: alcohol at a suitable reaction temperature is converted into a fuel mixture in the reactor, the ratio between the alcohol fraction, the ether fraction and the water fraction in the fuel mixture is controlled by controlling, at least, one reaction parameter flowing in the reactor. This, at least, one controlled reaction parameter is the temperature and/or pressure in the reactor and the control of the said, at least, one reaction parameter is effected depending on the operating parameters of the exhaust gas processing system and/or depending on the operating parameters of the internal combustion engine, and/or depending on the properties of the alcohol to be converted.EFFECT: improved method.14 cl, 1 dwg

Hydraulic processing of thermal craking products // 2640419
FIELD: oil and gas industry.SUBSTANCE: method of upgrading gas oils to distillate hydrocarbons involves dividing a first gas oil flow into first and second parts; mixing a second gas oil flow with the first part of the first gas oil flow to form mixed gas oil flow; contacting the mixed gas oil and hydrogen flow with a first hydroconversion catalyst in a first hydrocracking reaction system to convert at least a portion of hydrocarbons in mixed gas oil flow to distillate hydrocarbons; recovering effluent from the first hydrocracking reaction system containing unconverted hydrocarbons and distillate hydrocarbons; fractionation of the effluent from the first hydrocracking reaction system into one or more hydrocarbon fractions, including a fraction containing unconverted hydrocarbons; contacting hydrogen and the fraction comprising unconverted hydrocarbons with a second hydroconversion catalyst in a second hydrocracking reaction system to convert at least a portion of unconverted hydrocarbons to distillate hydrocarbons; feeding the effluent from the second hydrocracking reaction system to a fractionation stage for co-fractionation with the effluent from the first hydrocracking reaction system; feeding the flow consisting of the second part of the first gas oil flow into a third hydrocracking reaction system; contacting the flow consisting of hydrogen and the second part of the first gas oil flow with the third hydroconversion catalyst in the third hydrocracking reaction system to convert at least a portion of the hydrocarbons in the second portion to the distillate hydrocarbons; fractionating the effluent from the third hydrocracking reaction system to recover two or more hydrocarbon fractions, wherein the first gas oil flow is different from the second gas oil flow. The disclosed flow separation principle makes it possible to optimise the reaction rates in hydrocracking reactors. Thereby taking advantage of the difference in reactivity of gas oils - the products of thermal cracking against non-cracked gas oils.EFFECT: reduction of equipment cost for production of base oils, diesel fuel, kerosene, gasoline fuels with increased degree of conversion and long life of the catalyst.30 cl, 1 dwg, 3 tbl

Purification method of liquefied hydrocarbons with application of compounds 3-(piperazin-1-il)propane-1, 2 diol // 2640262
FIELD: chemistry.SUBSTANCE: invention relates to the purification method of liquefied hydrocarbons, such as the liquefied petroleum gas (LPG) or liquefied natural gas (LNG). The processing method of liquefied hydrocarbons, containing the acid gases to remove the mentioned acidic gases, while minimizing the losses of amine compounds, includes the contacting stage of the mentioned liquefied hydrocarbons with the absorbing aqueous solution of the first amine compound. The mentioned first amine compound has the structure: , in which R1 is the hydrogen, propane-2.3-diol and its mixtures, and R2 is the propane-2.3-diol.EFFECT: minimization of the amine compounds losses.9 cl, 1 dwg
Alternative car fuel // 2640199
FIELD: chemistry.SUBSTANCE: invention discloses an alternative car fuel with an octane rating of, at least, 90.0 units, determined by the research method, including alcohols C1-C2 and the hydrocarbon fraction of the Fischer-Tropsch process, wherein contains a gasoline fraction of the Fischer-Tropsch process boiling in the temperature range of 28-225°C as the hydrocarbon fraction, and further contains aromatic hydrocarbons C7-C10 at the following component ratio, wt %: alcohols C1-C2 20-45; aromatic hydrocarbons C7-C10 up to 20; hydrocarbon fraction of the Fischer-Tropsch process up to 100.EFFECT: production of alternative car fuel determined by the research method, the low content of washed and non-washed tar and sulfur, high chemical stability and further improved corrosion resistance, and meets the basic requirements for the characteristics of motor gasoline.2 cl, 3 tbl

ethod for removing heavy hydrocarbons when liquefying natural gas and device for its implementation // 2640050
FIELD: oil and gas industry.SUBSTANCE: invention describes a method for removing heavy hydrocarbons in the liquefaction of natural gas comprising: preliminarily cleaned and dried natural gas is cooled, obtained vapour-liquid mixture is separated in a separator into liquid and vapour phases, withdrawing the liquid phase with increased content of heavy hydrocarbons for disposal, wherein cooling of natural gas is carried out in a heat exchanger, the vapour phase is directed from the separator to ejector passive flow inlet, from the natural gas liquefaction plant a portion of high pressure cold flow is withdrawn and sent to ejector active flow inlet, a flow from ejector is directed to additional separator, in which the flow is separated into gas and liquid, gas is directed to heat exchanger for recuperation of cold. After recuperation of cold, gas is directed to a compressor, after the compressor the gas is sent to the natural gas liquefaction plant. A device for removing heavy hydrocarbons is also disclosed.EFFECT: providing uninterrupted operation of natural gas liquefaction plant without increase of machine equipment fleet.7 cl, 3 dwg

ethod of manufacturing modified coal and modified coal // 2639873
FIELD: chemistry.SUBSTANCE: invention discloses a method for manufacturing modified coal using low-grade coal as a raw material, comprising: dewatering low-grade coal to produce dehydrated coal; adding water to dehydrated coal to prevent any dust formation to produce water-containing coal; agglomerating water-containing coal to produce agglomerated coal; slow oxidating agglomerated coal to produce oxidized coal; crushing oxidized coal to produce crushed coal; and re-adding water to crushed coal to prevent any dust formation, and in the step of adding water to dehydrated coal, the added amount of water is adjusted so that the water content in the water-containing coal is 6 wt % or more to 16 wt % or less and in the step of re-adding water to crushed coal, the added amount of water is adjusted so that the water content of the crushed coal is from 10 wt % or more to 16 wt % or less. Also, the modified coal obtained by this method is disclosed.EFFECT: reduction of dust formation and spontaneous ignition of modified coal.4 cl, 3 dwg, 1 tbl

Complex of equipment for production of fuel and fodder briquettes and granules // 2639707
FIELD: machine engineering.SUBSTANCE: invention discloses a complex of equipment for producing fuel and fodder briquettes and granules and includes a disintegrator, a drier, a metering hopper, a mixer, a moulding device, a briquette cooler, a device for feeding liquid components. It is provided with grinder of rolls, bales of straw and wood raw material, cutting straw crusher and ground wood material connected by pneumatic pipeline with a fan and cyclone with mixer, which is connected by means of conveyer to hopper-cooler or bucket with a cooling column of granules, and the moulding device is made in the form of briquetting-granulator.EFFECT: use of the complex makes it possible to increase annual load of the universal equipment complex for producing fodder and fuel briquettes and granules with different content of initial fodder or fuel components.2 dwg
Antiturbulent additives for reducing hydrodynamic drag of hydrocarbon liquids in pipelines and method for their producing // 2639301
FIELD: chemistry.SUBSTANCE: method involves the use of ultra-high molecular polyisobutylene or isobutylene copolymers with higher α-olefins or mixtures of polyisobutylene with polyolefins α to produce the liquid dispersion of a (co)polymer (LD PTP) and the dry dispersion of a (co)polymer (DD PTP) and their use as an antiturbulent additive. The method is implemented by using three process versions. The LD PTP composition and the DD PTP composition are described as well.EFFECT: simplification of obtaining PTPs, increasing their range, capabilities and temperature range when used in trans-polar pipes and in winter conditions, achievement of the higher quality and high performance of the additive.37 cl, 6 tbl, 71 ex

ethod of oligomerization of petrol without additional refining // 2639160
FIELD: chemistry.SUBSTANCE: invention relates to a method of producing petrol from light olefins, comprising: oligomerization of C4 and C5 olefins in the olefinic feed stream for oligomerization containing C4 and C5 hydrocarbons, above the solid phosphoric acid catalyst at a temperature of 150°C-250°C to produce an oligomerization stream containing heavier olefins; separating the said oligomerization stream to produce a light stream comprising C4 hydrocarbons, an intermediate stream containing C5 hydrocarbons, and a liquid stream containing C6+ hydrocarbons; and directing the said liquid stream to a petrol tank or a mixing petrol line, optionally after saturation.EFFECT: effluent of the oligomerized product can be added to the petrol mixing park without additional refining.10 cl, 5 ex, 8 tbl, 9 dwg
Catalyst of combustion speed based on osf product // 2639146
FIELD: chemistry.SUBSTANCE: catalyst contains oligomeric bis (dimethylhydrosilyl) ferrocene of the following structure: , where n=2-5, in an amount of 40-60 wt %. The iron content of the catalyst is 14.5-18.5 wt %. The method is obtaining a new composition of the catalyst of the fuel combustion speed containing a mixture of OSF products and oligomeric bis-(dimethylhydrosilyl) ferrocene, which is similar in physicochemical characteristics to the OSF product, with a simultaneous increase of iron by 50-60 wt %.EFFECT: increasing the fuel combustion speed and maintaining the high performance.2 tbl

Hypergolic propellant // 2638989
FIELD: aviation.SUBSTANCE: hypergolic propellant, self-igniting in contact with an oxidizer, consists of fuel with pyrotechnic additive and oxidizer in which water solutions of hydrogen peroxide with concentration of 81.5-98 wt % are used as an oxidizer, and kerosene with dissolved in it pyrophoric high-active additive, the content of which is 10-15% by weight of the fuel weight, is used as fuel. The additive is a mixture comprising 87% by weight of triethyl boron and 13% by weight of triethylaluminum.EFFECT: use of propellant makes it possible to improve the stability of combustion of components, to facilitate the start-up and simplify the construction of liquid rocket engine because of lack of ignition system.3 dwg, 1 tbl, 2 ex

ethod of producing diesel fuel using gasoline oligomerization // 2638933
FIELD: chemistry.SUBSTANCE: invention relates to the method of producing distillate, that comprises: feeding raw materials for oligomerization comprising C4 olefins, into the oligomerization zone; recirculating a gasoline stream containing C8 olefins, into the said oligomerization zone; oligomerizing C4 olefins with C4 olefins and C8 olefins in the said oligomerization zone; wherein the said method comprises oligomerizing a larger proportion of normal butenes than isobutenes. The oligomerization of the said C4 olefins with other specified C4 olefins and the said C8 olefins are carried out over a zeolite catalyst having a one-dimensional porous structure of 10-membered rings, wherein the said zeolite catalyst is MTT; the separation of the oligomerisate stream from the said oligomerization zone in the extraction zone to produce a distillate stream containing distillate fraction hydrocarbons and the said gasoline recirculate stream.EFFECT: more diesel.7 cl, 9 ex, 17 tbl, 13 dwg
ethod for producing metallurgical briquette // 2638260
FIELD: metallurgy.SUBSTANCE: invention describes the method for producing the metallurgical briquette and comprises mixing the raw materials-carbon-containing material, a binder and water, pressing the briquette mixture and drying the moulded briquette. As a binding agent, a two-component binder containing resin and flour in ratio from 0.5:1 to 2:1 is used, where the starting components are taken in the following ratio, wt %: carbon-containing material-at least 50; bicomponent binder-8-40; the rest is water with temperature from 1 to 99°C.EFFECT: production of briquette having high strength and low water absorption.3 cl, 3 ex

Complex-action additive for transportation of oil and petroleum products // 2637942
FIELD: oil and gas industry.SUBSTANCE: complex additive for improving transportation of oil and petroleum products contains polymer, nitrogen-containing compound and surface-active substance characterized in that it further comprises nano-sized aluminium with particle size of 40 nm, a low molecular weight polyethylene is used as a polymer, hydrazine is used as nitrogen-containing substance, in the capacity of surface-active substance-non-ionic surface-active substance of reacton-4 b at the following ratio of components, wt %: low-molecular polyethylene, 60-65; hydrazine, 20-25; said aluminium, 5-10; reapone-4B, 5-10.EFFECT: additive has both viscosity and antiturbulent action and shows high mechanical resistance to various mechanical destructions.4 ex, 5 dwg, 3 tbl

ethod of separating acid gas from water-containing fluid flow // 2637549
FIELD: chemistry.SUBSTANCE: method includes contacting a water-containing fluid flow in the absorption zone with an absorbent that contains amine to form a fluid flow subjected to the removal of acid and an acidic gase-saturated absorbent agent, contacting a fluid flow subjected to the removal of acid with an aqueous wash liquid in the washing zone, through which the washing liquid is conducted in a single pass without pumping with the pump to transfer the jointly carried amine to this washing fluid to produce fluid flow, subjected to the removal of amine and removal of acid, and the amine-saturated washing liquid, cooling the fluid flow subjected to the removal of amine and removal of acid below the washing zone in the flow direction. Condensate is condensed from the head part of the absorption device, feeding the saturated absorbent to the desorption zone, in which acid gases are released. A regenerated absorbent and desorbed acid gases are produced, the regenerated absorbent is fed back to the absorption zone in order to organize a closed cycle of the absorbent, the absorption material of the amine-saturated washing liquid and the condensate from the head part of the absorption device are introduced to the closed cycle, the desorbed acid gases are fed through the zone of concentration, and the acid gases are cooled leaving the head part of the concentration zone, for condensing a condensate from the head part of the desorption device, which is partly fed back into the concentration area, and is partially derived from the process.EFFECT: effective retention of amines from the fluid flows while maintaining the water balance of the device.17 cl, 3 dwg, 6 ex

ethod of complex preparation of gas // 2637517
FIELD: oil and gas industry.SUBSTANCE: invention describes method for complex preparation of gas, wherein gas of input separation is refluxed by cooling with gas of low-temperature separation to obtain reflux and reflux gas which is mixed with condensate of input separation, and is weathered to produce evaporated condensate and the weathering gas which together with reduced reflux gas is subjected to low-temperature separation to produce gas and condensate, stabilization of mixture of condensates is provided by stabilization gas and stable condensate, before input separation raw gas is reduced and mixed with stabilization gas by means of ejecting device, gas of the input separation is cooled by reduced weathered condensate and preheated low-temperature separation gas, and the mixture of input separation condensate and reflux is reduced and mixed with condensate of low-temperature separation with the help of ejecting device before weathering.EFFECT: increased yield of stable condensate and commercial gas.2 cl, 1 dwg

Line for producing fine-dispersed coal-water slurry // 2637119
FIELD: chemistry.SUBSTANCE: invention discloses a line for producing a fine-dispersed coal-water slurry that contains a receiving hopper for the coal component of the slurry, connected through a feeder with a shredder, to the inputs of which the water feed and diluent-stabiliser lines are also fed, as well as a device for activating the slurry, the yield of which is bound with a storage capacity intended for storing and dispensing the target product. The line is equipped with the second shredder and a hydrocyclone. As the first shredder, a parabolic vibroimpulse mill is used, and as a device for activating the slurry - a hydrostatic cavitator, the output of the parabolic vibroimpulse mill is connected with the hydrocyclone, the first output of the hydrocyclone is connected to the intermediate vessel, the output of which is connected to the input of the parabolic vibroimpulse mill, and the second - to the second shredder connected by its output to the input of the hydrostatic cavitator.EFFECT: producing a high quality coal-water slurry.1 dwg

ethod of producing coal-water slurry and installation for its implementation // 2636740
FIELD: chemistry.SUBSTANCE: invention discloses a method of producing a coal-water slurry comprising a water-coal slurry capable of being used at power plants, characterized in that the water-coal slurry is produced by electrically and thermally activating fine coal particles in the slurry by an electric discharge throughout the container volume, with the possibility of achieving aggregative and sedimentation stability of the slurry in the processing period, in the entire volume of the container, an electric discharge is produced between the rotating electrode, which serves as a cathode, and the inner surface of the vessel body, which serves as an anode, while the total volume of the container receives a specific energy consumption of 0.4 to 0.6 kW*h/kg at a temperature of 273 to 393 K by electrothermal current on the coal particles in the slurry, with the emission of gases CH4, H2 and CO and with the possibility of intensifying the process of incineration of the slurry on the energy objects, resulting in the formation of filamentary channels of electrical discharge between the electrode and the vessel body that pass through the surface of the coal particles and through the ionized water, wherein the distribution area of the channels is moved along with the rotation of the electrode. An installation of producing a coal-water slurry is also disclosed, which comprises a container with a slurry made in the form of a steel container, an electrode that is made of spherical steel and mounted inside the container with a rotation capability and fixed to the axis of an electric motor connected to a laboratory autotransformer, while all parts of the installation are located inside the steel frame.EFFECT: producing a sedimentally stable water-coal slurry at low energy costs with maximum energy efficiency and without the use of chemical agents.2 cl, 6 dwg

Processing method of liquefied hydrocarbons, using 3-(amino)propane-1,2-diol compounds // 2636517
FIELD: chemistry.SUBSTANCE: processing method of liquefied hydrocarbons, containing the acid gases to remove the mentioned acid gases, while minimizing the losses of amine compounds, contains the contacting stage of mentioned liquefied hydrocarbons with the absorbing aqueous solution of the first amine compound. The mentioned first amine compound has the structure , where R1 is propane-2,3-diol; R2 is hydrogen, methyl, ethyl, 2-hydroxyethyl or propane-2,3-diol; and R3 is the hydrogen, methyl, ethyl, 2-hydroxyethyl or propane-2,3-diol.EFFECT: minimization of the amines losses.9 cl, 1 dwg
ethod of manufacturing and burning fuel briquets from high-power energy carbon-containing substances // 2636314
FIELD: chemistry.SUBSTANCE: invention discloses a method of manufacturing an incendiary and main fuel briquettes from high-energy carbon-containing substances to be burnt, including the preparation of carbonaceous substances by size by the method of crushing, mechanical activation of carbonaceous substances by the method of grinding in a centrifugal chopper-mechanoactivator, moulding carbon-containing substances in a screw extruder-mechanoactivator, burning the briquettes obtained, which is characterized in that the mechanoactivation of high-energy carbon-containing materials occurs at the stage of preparation and moulding of briquettes, and burning of the incendiary (the ignition) and the main fuel briquettes made of high-energy carbon-containing substances, takes place jointly in the layer of the combustion equipment, wherein an aqueous solution of liquid glass is used as a binder additive in the manufacture of the incendiary and main fuel briquettes.EFFECT: producing energy-efficient and environmentally friendly incendiary and main fuel briquettes.6 cl
ethod of producing hydrated fuel // 2635664
FIELD: chemistry.SUBSTANCE: invention describes a method of producing hydrated diesel fuel with the addition of water and an emulsifier by treatment in a vibrocavitational homogenizer with a rotating operating element - rotor with a perforated surface and a stationary operating element - stator, wherein diesel fuel is pre-mixed with the surfactant, which is a high-temperature condensation product of a mixture of vegetable oils and mono- or diethanolamine in an amount of 1.0-1.5 wt %, the resulting mixture is fed into a vibrocavitational homogenizer at a specific consumption of the mixture not more than 2.5 g/cm2 of the rotor working surface per second and the peripheral speed of its rotation is not less than 20 m/s, after which an aqueous phase in an amount of 10-20 wt % of the total amount of fuel with surfactant with pre-dissolved carbamide in the aqueous phase in an amount of 30-35 wt %, after which the mixture is fed in a stream to the homogenizer in batches not exceeding 10% per pass with the parameters specified above.EFFECT: producing stable fuel emulsions resistant to low temperatures.2 cl, 2 ex, 2 tbl
Emulsifier of reverse water-fuel emulsions // 2635544
FIELD: chemistry.SUBSTANCE: invention discloses an emulsifier of reverse water-fuel emulsions based on fatty acid diethanolamides of vegetable oils, which contains two groups of fatty acid diethanolamides of vegetable oils with a hydrocarbon radical length of C16-18 and C12-14. Emulsifier was produced as a result of synthesis at a temperature of 130-170°C for 2-8 hours with the following ratio of ingredients: group 1 of vegetable oils containing fatty acid glycerides C16-18 - 65-26% in its composition, group 2 of vegetable oils containing fatty acid glycerides C12-14 - 7-40% in its composition, diethanolamine - the rest.EFFECT: preparation of an emulsifier, which provides the aggregative and sedimentation stability of water-fuel emulsions.3 cl, 7 ex, 1 tbl
ethod of producing depressor additive for diesel fuel and depressor additive for diesel fuel // 2635107
FIELD: chemistry.SUBSTANCE: method of producing a depressor additive for diesel fuel is described. A radical copolymerization reaction of maleic anhydride and a wide fraction of 1-olefins C4-C34 at a ratio of the initial reagents from 1:0.92 to 1:3.7 is carried out. The reaction is initiated with dibenzoyl peroxide at a temperature of 75-90°C for 8-23 hours. The initiator residues are then filtered off, and after evaporation of the solvent, the desired product is isolated.EFFECT: simplification of the process due to the one-stage synthesis of the depressor additive, the use of inexpensive and non-toxic starting reagents and solvents, increasing the yield of the target product and reducing the pour point of diesel fuel.2 cl, 1 tbl, 6 ex

Low-pressure heavy hydrocarbon gas stripping unit (variants) // 2634897
FIELD: oil and gas industry.SUBSTANCE: low pressure heavy hydrocarbon gas stripping unit includes a compressor mounted on a feed gas line, and a dephlegmator with condensate discharge line and a heat-mass exchange unit cooled by cooling agent. The method is characterized by that a multi-phase pump is installed as a compressor. A semi-blind plate is arranged in the dephlegmator above compressed raw gas inlet connected to raw gas line before the multi-phase pump by circulating reflux line, a reducing device and the heat-mass-exchange unit of the dephlegmator are arranged on the reflux line, condensate discharge line is connected to the separator equipped with residue discharge line and a line for feeding separation gas into the feed gas line before the multi-phase pump, and the condensate discharge line is connected to multi-phase pump by circulating condensate supply line. A version of the stripping unit is also claimed.EFFECT: reduced power consumption by excluding the use of external coolant, which role is performed by recirculation reflux.6 cl, 1 dwg
Additive for fuel oil // 2634730
FIELD: chemistry.SUBSTANCE: invention discloses an additive for fuel oil, which is made in the form of a suspension of nanostructured magnesium hydroxide in the amount of (45-55%) and a mixture of diesel fuel with mineral oil - the rest, in the ratio between them (0.5-1.25).EFFECT: ensuring, when using an additive, more complete combustion of fuel oil, while changing the structure of deposits on the heating surfaces of the boiler from sticky and solid to loose and powdery, easily removable, as well as reducing harmful substances in the exhaust gases emitted into the atmosphere that pollute the atmosphere.1 cl
Anti-wear additives for ultra-low sulfur fuel // 2634726
FIELD: chemistry.SUBSTANCE: invention discloses an additive to ultra-low sulfur diesel fuel, which is a tall oil fatty acid composition of methylalkyl ethers C5-C6 at a mass ratio of 80-90:10-20, respectively.EFFECT: improving the compatibility of fuel with a water additive.9 tbl

ethod to remove heavy hydrocarbons // 2634711
FIELD: oil and gas industry.SUBSTANCE: method for removing heavy hydrocarbons from natural gas stream comprises: directing natural gas feed stream containing water and hydrocarbons C5 , to adsorbent bed of the short-cycle heating unit (SHU) so as to adsorb at least a portion of water and hydrocarbons C5 from said natural gas feed stream to produce a first final gas stream having a reduced water and hydrocarbon level C5 in comparison with said feed stream, regeneration of said adsorbent bed by heating to remove adsorbed water and hydrocarbons C5 and creating a second gas stream having an increased water and hydrocarbon content C5 in comparison with said feed stream; cooling said second gas stream to create liquid water and liquid C5 hydrocarbons and separating said liquids from said second gas stream to create a third gas stream; the direction of said third natural gas stream to the adsorbent bed of the heatless short-cycle adsorption unit (HSAU) so as to adsorb hydrocarbons C5 from said third gas stream, and an outlet of the second final high pressure gas stream having hydrocarbon content of C5 less than in said third gas stream. Said SAU unit adsorbs at least at 65°C and at least 500 psia pressure; and regenerating said adsorbent layer in said SAU unit by reducing pressure and creating contaminated low pressure gas stream comprising hydrocarbons C5+. A method for removing heavy hydrocarbons from natural gas stream containing methane and heavy hydrocarbons is also disclosed.EFFECT: removal of contaminants from gases by combining adsorption and condensation.21 cl, 5 dwg, 7 ex, 7 tbl

Antiwear additive // 2633880
FIELD: chemistry.SUBSTANCE: known additive comprising molecules of solid plastic lubricant of iron oxide Fe3O4 and molectules of surfactant - oleic acid C18H34O2, a core of micelle additionally contains molecules of a solid plastic lubricant of molybdenum diselenide MoSe2 with molecules of stearic acid C18H36O2 surrounding them additionally with the following component ratio, wt %: Fe3O4 - 3%, MoSe2 - 17%, C18H34O2 - 20%, C18H36O2 - 60%.EFFECT: improved tribotechnical and operational characteristics of the additive while minimising concentration of the additive in lubricant materials.2 tbl, 1 dwg
Supersonic combustion ramjet fuel // 2633764
FIELD: chemistry.SUBSTANCE: invention describes the fuel for supersonic ramjet engine (SRE) on the basis of the synthetic high-density fuel T-10. The combustion promoter-tert-butyl hydroperoxide and antioxidant-ionol (wt %) fuel T-10 95.495-94.492 was additionally introduced into the fuel; tert-butyhydroperoxide 4.5-5.5; ionol 0.005-0.008.EFFECT: creation of the fuel for hypersonic ramjet engine with extended storage times, increased normal combustion rate, and the reduced ignition delay period, when burning in the turbulent flow in the hypersonic ramjet engine chamber, while introducing in it the tert-butyl hydroperoxide as the combustion promoter and ionol as the antioxidant.1 ex, 1 tbl

ethod of producing fuel pellets // 2633762
FIELD: heating system.SUBSTANCE: invention discloses a method of producing fuel pellets comprising dosing and mixing of activated sludge formed at biological wastewater treatment stations with a dewatering additive, dehydrating the resulting mixture and subsequently moulding the mixture, using an activated sludge with a water content of 97-99 wt %, as a dewatering additive, the chemical water treatment slurry of a thermal power plant (TPP) is used with a moisture content of not more than 3%, dosing and mixing of activated sludge with a chemical water treatment plant slurry are carried out in the ratio (7-10):(1-2) wt %, the resulting mixture is dewatered in two stages, in the first stage being centrifuged for 1-3 minutes to produce a mixture with a moisture content of 69-74%, and in the second stage, drying is carried out on a belt dryer at a temperature of 105-115°C for 20-40 minutes before producing a mixture with a moisture content of 40-45%, then the dehydrated mixture is formed by granulation and then the pellets are coated with an organic additive, the fuel pellets containing, wt %: active sludge - 65-75, TPP chemical water treatment slurry - 6-10, the organic additive is the rest.EFFECT: reduction of energy costs in the production of fuel pellets due to the use of the slurry of the TPP chemical water purification at the stage of dehydration, which intensifies the thickening of activated sludge by rupturing hydrate shells and strong structural bonds during dehydration, thereby separating the colloid-bound moisture in the active sludge and increasing the free water content in the suspension.5 cl, 1 dwg, 2 ex
ultifunctional additive for motor gasoline and fuel base containing it // 2633357
FIELD: chemistry.SUBSTANCE: invention describes a multifunctional composite additive for motor gasoline based on aromatic amine derivatives, aliphatic alcohols, antioxidant and detergent additives, characterized in that the derivatives of aromatic amines contain meta-toluidine and/or N-methyl paranisidine and/or 2,4-xylidine and further contains secondary and/or tertiary methyl esters of C4-C5 hydrocarbons in the following component ratio (wt %): meta-toluidine and/or N-methyl-paranisidine and/or 2,4-xylidine 10.0-70.0, aliphatic alcohols 0-35.0, secondary and/or tertiary methyl esters C4-C5 hydrocarbons 6.0-55.0, antioxidant additive 0.2-0.4, washing additive 0.4-0.8. A fuel base is also disclosed, consisting of esterified gasoline catalytic cracking and a multifunctional composite additive.EFFECT: high environmental friendliness, anti-detonation resistance, high antioxidant stability, does not contain metals and N-methylaniline and can be used for the production of motor gasolines of ecological class K5 and higher.5 cl, 2 tbl

Plant for thermochemical processing of carbonaceous raw material // 2632812
FIELD: oil and gas industry.SUBSTANCE: invention discloses the plant for thermo-chemical processing of carbonaceous raw material which contains a thermochemical reactor for pyrolysis of raw materials, means for charging raw material and processing additives to the upper part of the reactor, a device for producing gaseous heat carrier connected to the bottom part of the reactor, and a device for discharging solid phase of processed raw material-pyrocoal located at the bottom part of the reactor, and a device for purification of steam gases obtained in the reactor from the solid phase and a device for separation of steam gases into components. The device for producing gaseous heat carrier is a vortex gas generator equipped with a manifold for feeding air from a blower through air channel into its air cavity and arranged in the reactor body along its height there are shelves made of mesh material with inclination downward from the reactor walls to its center, the upper part of the reactor, with respect to the other parts thereof, has an enlarged cross-section, a device for unloading pyrocoal from the reactor is made in form of an auger along which heat-removing plates are laid, the auger and the plates are placed in a casing, which cavity is built into the air channel connecting the blower and the manifold of the gas generator. The device for purification of the steam gases obtained in the reactor from the solid phase is included between the reactor and the device for separation of the steam gases into components and is made in the form of a separator.EFFECT: providing the yield of high quality products by providing optimal conditions of thermochemical treatment of the raw material in the reactor and cleaning of steam gas phase obtained in the reactor from solid inclusions before feeding it for separation into components, and due to the form of the reactor.3 dwg
ethod for obtaining biodiesel fuel - alkyl esters of fatty acids // 2632671
FIELD: chemistry.SUBSTANCE: method is based on the reaction of interetherification of triglycerides at a temperature of 20-80°C. The distinctive features of the claimed method consist in the fact that the reaction mixture is composed of the following components: plant-derived triglycerides, ethanol, or propanol, or isopropanol, or a mixture thereof, sodium methoxide, methanol. The amount of sodium methoxide by weight of the reaction mixture is 0.5-1%, and the amount of methanol is 1-2.5%. The molar ratio of triglycerides to the reacting alcohols is 1:3.EFFECT: increased yield and purity of the final product with increased intensity and reduced process duration.1 tbl, 5 ex
ethod of producing high-octane motor fuel components // 2631872
FIELD: chemistry.SUBSTANCE: invention relates to the method of producing high-octane motor fuel components by alkylating isobutane with olefins in the liquid phase in the presence of a hydrofluoric catalyst. The method is characterized in that the process is carried out using a sectional tube reactor in the form of sections of mixers-emulsifiers and coils and a cyclone while the reaction mixture moves inside the reactor at the linear velocity of 6-16 m/s, the residence time of the mixture in the reactor is 2-5 minutes, the mixture consumption of isobutane and the isobutylene fraction is 9-18 m3/hour, a weight ratio of hydrogen fluoride: a mixture of isobutane and the isobutylene fraction of 1:1 and the feed of the isobutane mixture: the isobutilene fraction in two portions at the weight ratio of 5:1 in the first portion and 3:1 in the second one.EFFECT: reducing the method duration, increasing the yield of the target product.2 ex
 
2551015.
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