Plural serial stages only (C10G65/02)

Integration of resid hydrocracking and hydrocleaning // 2628509
FIELD: oil and gas industry.SUBSTANCE: one of the process variants includes the following steps: contacting the hydrocarbon residue and hydrogen fraction with the first hydroconversion catalyst in the first fluidized bed hydroconversion reactor system; extracting the first outlet stream from the first fluidized bed hydroconversion reactor system; contacting of the first outlet stream and hydrogen with the second hydroconversion catalyst in the second hydroconversion reactor system; extraction of the second outlet stream from the second hydroconversion reactor system; contacting of the second outlet stream and hydrogen with the third hydroconversion catalyst in the second fluidized bed hydroconversion system; extracting the third outlet stream from the second fluidized bed hydroconversion reactor system; fractionating of the third outlet stream from the second fluidized bed hydroconversion reactor system to recover one or more hydrocarbon fractions, including the vacuum fraction of the hydrocarbon residue.EFFECT: invention makes it possible to achieve high hydrocarbon processing using a simplified technology.20 cl, dwg 4

ethod of obtaining motor fuel // 2623088
FIELD: chemistry.SUBSTANCE: as a medium distillate, a mixture of straight-run middle distillate fraction of petroleum origin and kerosene gas oil fraction of synthetic oil obtained by Fischer-Tropsch technology, in a ratio of 85:15 to 55:45 vol. %, respectively, is used as the hydrogenation processing process in a two-step echnology, which includes hydrotreatment of the mixture raw materials followed by hydroisodeparaffination of the stable product, then after the hydroisode deparaffination step, the product stream is subjected to rectification with isolation of the light fraction boiling within the temperature range 135-230°C, and heavy, boiling within the temperature range 230-360°C, the heavy fraction is mixed with 15-50 vol. % of light fraction to obtain a low-solidification diesel fuel component of low-hardening diesel fuel for arctic conditions, and the light fraction in an amount of 50-85 vol. % is derived as a component of aviation kerosene.EFFECT: method allows to obtain motor fuels with the required low-temperature indices.3 cl, 1 dwg, 1 tbl, 3 ex

ethod of two-phase hydrotreating as pre-treatment for three-phase hydrotreating // 2621043
FIELD: chemistry.SUBSTANCE: invention relates to a method for raw hydrocarbon hydrotreating, which comprises contacting of the liquid raw material obtained by raw hydrocarbon contacting with a diluent and hydrogen with the first catalyst layer in the first catalyst layer of the first two-phase hydrotreating zone to produce a product effluent; contacting of the product effluent from the preceding layer with the current catalyst on the current catalyst layer of first two-phase hydrotreating zone; reusing of the current product effluent from the final catalyst layer of the first two-phase hydrotreating zone as a liquid recycling to use in a diluent at the step of liquid raw material production; contacting of hydrogen and the remaining portion of this product effluent from the final catalyst layer of the first two-phase hydrotreating zone with one or more catalysts in one or several catalyst layers of with one liquid passage. Each catalyst layer with one liquid passage at this stage is placed in a reactor filled by liquid in the second two-phase hydrotreating zone, or in a trickle bed reactor in the three-phase hydrotreating zone to produce product effluent. At that, the two-phase hydrotreating zone contains at least two catalyst layers arranged in sequence and in fluid communication. Each catalyst layer is located in a reactor is filled with liquid and contains a catalyst with a volume. The catalyst volume increases with each successive layer.EFFECT: high conversion rates for sulfur and nitrogen removal, reduced density and increased cetane number of the product.20 cl, 1 dwg, 3 tbl, 10 ex
Arctic diesel fuel // 2618231
FIELD: chemistry.SUBSTANCE: invention discloses arctic diesel oil based on middle distillate petroleum fractions containing a base component and an antiwear additive in an amount of up to 0.04 wt %, while the base component contains a mixture of a hydrotreated dewaxed diesel fraction boiling within 200-310°C, a hydrocracked kerosene fraction boiling in the range of 140-240°C, or a hydrotreated kerosene fraction boiling in the range of 140-230°C, and a hydrocracked kerosene fraction boiling within 180-250°C, or a hydrotreated kerosene fraction boiling in the range of 130-220°C, taken in the ratio 39:41-29:31-29:31 vol %.EFFECT: arctic diesel fuel has low-temperature properties that ensure reliable operation of diesel engines in arctic conditions and regions of the Far North at ambient temperatures above minus 65 degrees.7 tbl

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

ethod for catalytic conversion of hydrocarbon raw material // 2598074
FIELD: oil refining industry.SUBSTANCE: invention relates to oil refining, petrochemical and chemical industries, in particular, to methods of processing heavy oils and bitumens. Method for catalytic conversion of hydrocarbon raw material involves contacting in a converter of the hydrocarbon material in a fluidized bed with a regenerated catalyst to obtain products of cracking and a coked catalyst, coke burning out of the coked catalyst to produce the regenerated catalyst and exhaust gases, steam overheating due to the steam heat exchange with the exhaust gases to produce superheated steam, where obtaining the products of cracking is carried out in presence of a hydrogen-containing gas, obtaining the hydrogen-containing gas is performed by steam catalytic reforming, which is carried out at feed of the said superheated steam and methane-containing gases, the obtained hydrogen-containing gas is additionally heated with the exhaust gases and fed into the converter.EFFECT: technical result is reduced consumption of energy resources, expanded capabilities of processing heavy oil, increased efficiency of obtaining light products, reduced catalyst consumption, improved efficiency of processing heavy oil, higher output of end products.8 cl, 1 dwg, 5 tbl

ultistage hydrocracking method for hydroconversion of hydrocarbon material // 2595041
FIELD: oil and gas industry.SUBSTANCE: invention relates to a method for hydroconversion of hydrocarbon material. Method includes steps of: (a) raw material is subjected to contact at high temperature and pressure in first section of hydrocracking in presence of hydrogen with one or several catalysts for obtaining a first effluent flow of hydrocarbons; (b) dividing at least part of first effluent flow of hydrocarbons obtained at step (a), in section of separation into gaseous flow, light fluid flow and heavy fluid flow; (c) dividing at least part of said liquid flows obtained at step (b), in section of fractionation into several fractions of hydrocarbons, including hydrocarbon fraction with boiling temperature higher than 350 °C; (d) subjecting to contact at least part of fraction with boiling temperature higher than 350 °C, obtained at step (c), at high temperature and pressure in second section of hydrocracking in presence of hydrogen with one or several catalysts to obtain a second hydrocarbon output stream; (e) dividing at least part of second hydrocarbon output stream obtained at step (d), in section of separation into gaseous flow, light fluid flow and heavy fluid flow; (f) dividing at least part of said liquid flows obtained at step (e), in section fractionation into several fractions of hydrocarbons, including heavy hydrocarbon fraction with boiling temperature higher than 350 °C; (g) dividing at least part of fraction with boiling temperature higher than 350 °C, obtained at step (f), on larger and smaller stream; (h) recycling at least part of larger flow obtained at step (g) to step (d); and (i) removing smaller flow obtained at step (g).EFFECT: using present method improves overall conversion of raw material and increases output of more valuable lightweight products.14 cl, 1 dwg, 3 ex

ethod of converting hydrocarbon stream and, optionally, obtaining processed distillate product // 2565048
FIELD: chemistry.SUBSTANCE: method includes feeding a hydrocarbon stream containing one or more C40+ hydrocarbons into a thermal conversion zone to obtain a hydrocarbon distillate fraction stream and a gas oil stream; feeding the gas oil stream into a gas oil hydrofining zone to obtain hydrofined gas oil; feeding said hydrofined gas oil into a fluidised-bed catalytic cracking zone to obtain light recycle gas oil; feeding the light recycle gas oil into a hydrocracking zone to perform selective hydrocracking of aromatic compounds containing at least two rings to obtain a processed distillate product and recycling at least part of the processed distillate product from the selective hydrocracking zone into the fluidised-bed catalytic cracking zone.EFFECT: method increases efficiency of the selective hydrocracking zone and enables to obtain a distillate product of high quality from crude oil.10 cl, 4 dwg

ethod to produce waxy temperature-stable hydrocarbon fractions // 2561918
FIELD: oil and gas industry.SUBSTANCE: invention relates to the oil refining industry. The invention relates to the method of the joint production of waxy temperature-stable hydrocarbon fractions, including the contact of source raw materials with a hydrogen-containing gas in the presence of catalysts at a higher temperature and pressure with the subsequent release of target fractions from reaction products, which boil away in the range of 150-270°C, 195-270°C and 230°C-KK. As the source raw materials they use a mixture of vacuum distillate and gas-oil of catalytic cracking, having the high content of aromatic hydrocarbons (50-80%), which in the process of hydrogenolysis turn into naphthenic hydrocarbons.EFFECT: simplified production and increased yield of waxy temperature-stable hydrocarbon fractions.5 cl, 11 tbl, 5 ex

ethod of obtaining low-viscous white oils // 2549898
FIELD: chemistry.SUBSTANCE: invention relates to a method of obtaining low-viscous white oils, in which vacuum gasoil is subjected to hydrocracking with the volume ratio of hydrogen to a raw material of 800-1000 nm3/m3, volume rate of the raw material supply of 0.4-0.6 h-1, temperature of 340-360°C and partial pressure of hydrogen of 20-30 MPa on Ni/Mo catalyst, applied on a silica-alumina carrier, with the content of active components counted per the catalyst burnt at a temperature of 600°C, wt %: MoO3 - 35.0, NiO - 15.0, SiO2 - 7.0 or on Ni/W catalyst, applied on the silica-alumina carrier, with the content of active components counter per the catalyst burnt at a temperature of 600°C, wt %: WO3 - 25.0, NiO - 10.0, SiO2 - 5.0. The target fraction with the boiling out temperature from 280 to 340°C, the content of aromatic hydrocarbons above the required norm and the temperature of solidification not higher than minus 10°C is separated from the obtained stream, boiling out in the range of temperatures from 280 to 400°C. Hydration of the target fraction is carried out by its contact with hydrogen with the volume ratio of hydrogen to the raw material of 800-950 nm3/m3 on the catalyst at a temperature of 240-320°C, partial pressure of hydrogen of 6.0-8.0 MPa, volume rate of the raw material supply 0.25-0.5 h-1.EFFECT: reduction of the technological process of obtaining white oils for the medical purpose.4 cl, 1 tbl, 5 ex

Hydrocarbon hydroprocessing method and device // 2547657
FIELD: oil-and-gas industry.SUBSTANCE: invention relates to the method of hydroprocessing of hydrocarbonic raw materials comprising: hydrocracking of the first flow of hydrocarbons in presence of the first hydrogen flow and hydrocracking catalyst for obtaining of the outgoing hydrocracking flow; hydrotreating of the second flow of hydrocarbons in presence of the second flow of hydrogen and the hydrotreating catalyst for obtaining of the outgoing hydrotreating flow; separation of the outgoing hydrotreating flow at the temperature 121-316°C (250-600°F) into the vaporous outgoing hydrotreating hydrogen containing flow, and the liquid outgoing hydrotreating flow; mixing, at least, a part of the named outgoing vaporous hydrotreating flow, at least, with a part of the named outgoing hydrocracking flow for obtaining of a mix; and fractionation, at least, of a part of the named mix. The invention also relates to the device for hydrocarbon hydroprocessing.EFFECT: offered invention allows to obtain motor (diesel) fuel with low sulphur content.6 cl, 2 dwg, 1 ex

Fluidised-bed reactor and method of hydrogenation in reactor // 2545330
FIELD: chemistry.SUBSTANCE: invention relates to a fluidised-bed reactor and a method of catalytic hydrogenation in the reactor. The fluidised-bed reactor comprises a reactor shell, vertical to the ground, a phase separator located within the top part of the shell, an internal circulation zone, located under the phase separator. The internal circulation zone comprises a cylinder, a tapered diffusion section and a guide support. Both the cylinder and the tapered diffusion section at the bottom of the cylinder are located inside the reactor shell, the guide support is fitted on the shell inner wall at the bottom of the tapered diffusion section. The guide support is an annular protrusion of the reactor inner wall.EFFECT: invention provides effective hydrogenation resulting in a high quality product, and stable operation of the reactor.26 cl, 2 dwg, 4 tbl, 5 ex

Hydrocarbon oil hydrotreating method // 2545181
FIELD: oil and gas industry.SUBSTANCE: invention is related to hydrocarbon oil hydrotreating method using at least the first and second reactors. The method includes (i) contacting of hydrocarbon oil in the first reactor at high temperature and pressure with hydrotreating catalyst in presence of hydrogen-containing gas wherein hydrogen is consumed; (ii) division of the outgoing flow obtained at the stage (i) into partially hydrotreated hydrocarbon oil and contaminated hydrogen-containing gas by means of a steam stripper, wherein the waste hydrogen-containing gas is used as stripping gas; (iii) contacting of partially hydrotreated hydrocarbon oil obtained at the stage (ii) in the second reactor at high temperature and pressure with hydrotreating catalyst in presence of pure hydrogen-containing gas with consumption of this hydrogen, at that at least 80% of hydrogen consumed at the stages (i) and (iii) are replenished by additional pure hydrogen-containing gas supplied to the second reactor; (iv) separation of the product produced at the stage (iii) in the second reactor into hydrotreated hydrocarbon oil and waste hydrogen-containing gas, at that hydrotreated hydrocarbon oil may be extracted as a product, and (v) transporting of at least a part of hydrogen-containing gas obtained at the stage (iv), which has temperature of at least 200°C to perform the stage (ii) while using this gas as stripping gas.EFFECT: effective usage of waste hydrogen-containing gas promotes minimisation of the required capacity of the compressor, facilitation of steam stripping, improvement of heat usage.17 cl, 2 dwg

ethod and plant for hydraulic treatment of two flows // 2540081
FIELD: process engineering.SUBSTANCE: proposed process comprises compression of boost hydrogen in first compressor to get first flow of compressed boost hydrogen. First flow of compressed boost hydrogen is compressed in second compressor to get second flow of compressed boost hydrogen. Said second flow of compressed boost hydrogen is separated as second flow of compressed boost hydrogen for hydraulic treatment. First flow of hydrocarbons is processed over first flow for hydraulic processing including second flow of compressed boost hydrogen and first hydraulic processing catalyst to get first effluent flow of hydroprocessing products. Second flow of hydrocarbons is processed over second flow for hydraulic processing including first flow of compressed boost hydrogen and first hydraulic processing catalyst to get second effluent flow of hydroprocessing products. Said second effluent flow of hydroprocessing products is separated to get vaporous second effluent flow of hydroprocessing products. Said vaporous second flow is added to said boost hydrogen flow upstream of said first compressor.EFFECT: perfected feed of hydrogen to separate process units.9 cl, 2 dwg

Production of diesel fuel and plant to this end // 2531592
FIELD: process engineering.SUBSTANCE: invention relates to method of diesel fuel production. Particularly, it pertains to compression of makeup hydrogen flow in compressor to bleed hydrogen flow from said compressed makeup hydrogen flow. Hydrocarbons flow is subjected to hydro cracking in the presence of hydrogen flow and catalyst to get outlet hydro cracking products flow to be separated in liquid flow and vapour flow to be compressed to get hydrogen compressed flow. Liquid outlet flow is fractionated to obtain diesel fuel flow. Hydrogen flow is bled for hydraulic cleaning from said compressed hydrogen flow for hydraulic cleaning of diesel fuel flow in the presence of hydrogen flow and catalyst to get outlet hydro cracking products flow. Invention covers also the diesel fuel production plant.EFFECT: perfected process.10 cl, 2 dwg

ethods of hydrocracking with receiving of hydroisomerised product for base lube oils // 2519547
FIELD: oil and gas industry.SUBSTANCE: invention is related to hydrocracking processes, under conditions of which large proportion of heavy hydrocarbon stock e.g. Vacuum Gas Oil (VGO) turns to hydrocarbons with lower molecular mass and lower boiling temperature. The invention relates to the method of production of base oil, involving: a) hydrocracking of heavy hydrocarbon stock with hydrocracking catalyst containing the preset amount less than 15 wt % of beta-zeolite with flow coming out of a hydrocracking plant containing at least 40 wt % of hydrocarbons boiling at temperature of 382°C (720°F), and b) separation from flow coming out of a hydrocracking plant of unconverted oil with pour point not above 18°C (65°F) in form of high-boiling fraction containing base oil.EFFECT: improvement of base oil quality.11 cl, 1 dwg, 4 tbl, 2 ex
Combined method of catalytic cracking in catalyst fluidised bed for producing high-quality hydrocarbon mixtures as fuel // 2518119
FIELD: oil and gas industry.SUBSTANCE: invention is related to a combined method of conversion of oil-derived hydrocarbon fractions into high-quality hydrocarbon mixtures as fuel, which includes catalytic cracking of hydrocarbon fraction in catalyst fluidised bed with catalyst containing ERS-10 zeolite, where the specified catalyst contains at least two components, where the specified components represent: (a) a component containing one or more catalytic cracking catalysts in fluidised, and (b) a component containing ERS-10 zeolite for obtaining Light Cycle Gas Oil (LCGO), hydrotreatment of light cycle gas oil, interaction of hydrotreated light cycle gas oil obtained at the previous stage of hydrotreatment in presence of hydrogen with catalytic system. The invention also touches the method of catalytic cracking and a stage of catalytic cracking in fluidised bed.EFFECT: production of high-quality hydrocarbons, conversion increase.21 cl, 3 tbl, 1 ex

Raw hydrocarbon hydroconversion method // 2518103
FIELD: machine building.SUBSTANCE: invention relates to the hydroconversion method for raw hydrocarbons in the mix with the circulating part of the hydroconversion vacuum residue by a high-aromatic modifier, dispersion of a catalyst precursor and hydrogen-containing gas which is supplied in the amount of maximum 800 nm3 per 1 m3 of raw material in terms of hydrogen and of minimum the value of chemical hydrogen demand. The above is carried out in a reactor with an internal circular baffle plate which adjoins the reactor top in a pressure tight way and forms axial and circular cavities, and with separation space at the top of the circular cavity. Hydroconversion gas is removed from the separation space, liquid hydroconversion product is removed from the top of the axial cavity, circulating reaction mass is removed from the bottom of the reactor's circular cavity, cooled and delivered for mixing with heated raw liquid-vapour mixture, the temperature of the liquid hydroconversion product is kept close to the upper limit of the hydroconversion temperature range, the temperature of the heated raw mixture and the temperature of the circulating reaction mass are kept close to the lower limit of the hydroconversion temperature range. Hydroconversion products are separated and rectified to isolate light fractions, heavy gas oil and vacuum residue, part of the latter is recirculated, and the balance part is recovered to produce regenerated catalyst precursor.EFFECT: reduction of power inputs and metal consumption of equipment along with the provision for high yield of light fractions.1 dwg, 1 ex

Treatment by hydrofining and dewaxing to up jet engine fuel freezing point // 2513992
FIELD: engines and pumps.SUBSTANCE: invention relates to production of fuel for jet engines from kerosene stock. Proposed method comprises hydrofining of kerosene stock with freezing point interval of 163-302°C (325-575°F) over hydrofining catalyst under conditions of hydrofining. This allows getting hydrofined kerosene stock. Besides, it includes dewaxing of, in fact, all hydrofined kerosene stock over catalyst including 1-D molecular sieve with ten rings under conditions of dewaxing to get water-dewaxed kerosene stock. Also, it includes fractionating of water-dewaxed kerosene stock to get fuel for jet engines.EFFECT: higher yield, better properties.10 cl, 1 dwg, 2 tbl, 1 ex

ethod of dehydration of hydrocarbons // 2505516
FIELD: chemistry.SUBSTANCE: initial hydrocarbon raw material is initially separated and first part of initial raw material is introduced into first zone of dehydration reaction, which functions without oxidation re-heating, and obtained as a result output flow is introduced into second zone of dehydration reaction, which functions without oxidation re-heating. Obtained as a result output flow from second zone of dehydration reaction, together with second part of initial raw material is introduced into third zone of dehydration reaction, which functions with oxidation re-heating.EFFECT: increased method productivity.10 cl, 1 dwg
ethod for production of high-octane petrol // 2487161
FIELD: oil and gas industry.SUBSTANCE: invention is referred to method of production of high-octane petrol and includes fractionation of hydrotreated naphtha into light and heave fractions; light naphtha isomerisation and heavy naphtha reforming in presence of platinum-containing catalyst with delivery of excessive hydrogen from reforming to isomerisation. Isomerisation is carried out with sulfate-zirconia catalyst with subsequent separation of isomerisate into three fractions: low-boiling fraction, medium fraction containing n-hexane and methylpenthanes and high-boiling fraction; medium fraction is recirculated to isomerisation raw material. By rectification from reformate light and heavy reforming fractions are obtained; heavy fraction is mixed with low- and high-boiling fractions of isomerisate with production of the target product while light fraction of reforming boiling away up to 85-95°C is subjected to hydroisomerisation at 250-300°C in presence of platinum-containing catalyst and obtained hydroisomerisate is delivered to be mixed with isomerisate.EFFECT: reduction of benzole and aromatic hydrocarbons content in compliance with requirements to modern types of petrol with preservation of integration for reforming and isomerisation processes.2 cl, 1 tbl, 7 ex

Hydrocracking method // 2470989
FIELD: chemistry.SUBSTANCE: invention relates to a method for hydrocracking a hydrocarbon stream involving the following operations: providing hydrocarbon starting material (12); feeding the hydrocarbon starting material (12) into a hydrofining zone (14) to obtain an output stream (30) of the hydrofining zone; feeding the output stream (30) of the hydrofining zone into a separation zone (16) in order to separate one or more streams of hydrocarbons with a lower boiling point (34, 58, 62, 66) from a stream of liquid hydrocarbons with a higher boiling point (68); inlet of at least a portion of the stream of liquid hydrocarbons with a higher boiling point as material (68) for hydrotreatment without using a considerable amount of hydrocarbons coming from the hydrotreatment zone with an essentially continuous liquid phase; adding hydrogen (70) to the material (68) for hydrotreatment in an amount which is sufficient to maintain essentially liquid-phase conditions; feeding the material (68), mixed with hydrogen, for hydrotreatment into the hydrocracking zone (24) with an essentially continuous liquid phase; and carrying out a reaction for hydrocracking the material (68) for hydrotreatment in the hydrocracking zone (24) with an essentially continuous liquid phase with a hyrocracking catalyst in hydrocracking conditions to obtain an output stream (72) of the hydrocracking zone having a lower boiling point compared to the stream (68) of liquid hydrocarbons with a higher boiling point. The invention also relates to another method for hydrocracking a hydrocarbon stream.EFFECT: improved characteristics of products, higher conversion.16 cl, 5 dwg, 4 tbl, 1 ex

ethod to produce hydrocarbon fractions from mixtures of biological origin // 2464297
FIELD: power engineering.SUBSTANCE: method is described to produce hydrocarbon fractions, which may be used as diesel fuel or as components of diesel fuel, based on a mixture of biological origin, containing ethers of fatty acids, possibly, with a certain amount of free fatty acids, which includes the following stages: 1) hydrodesoxygenation of a mixture of organic origin; 2) hydroisomerisation of a mixture produced at the stage (1), after possible treatment for cleaning; besides, the specified stage of hydroisomerisation is carried out in presence of a catalytic system, which contains the following: a) a carrier of acid nature, including a fully amorphous micro-mesoporous silicon-aluminium oxide, having a mole ratio SiO2/Al2O3 in the range from 30 to 500, the surface area of more than 500 m2/g, volume of pores in the range from 0.3 to 1.3 ml/g, the average diameter of pores below 40 Ǻ, b) a metal component containing one or more metals of group VIII, possibly mixed with one or more metals of the group VIII.EFFECT: production of a hydrocarbon fraction, which may be applied as diesel fuel or as a component of diesel fuel.55 cl, 4 tbl, 3 dwg, 2 ex
ethod of producing jet fuel for supersonic aircraft // 2459859
FIELD: chemistry.SUBSTANCE: invention relates to a method of producing jet fuel for supersonic aircraft via hydrogenation and subsequent hydrodewaxing of secondary petroleum material in the presence of a hydrogen-containing gas and catalysts, at high temperature and pressure in two hydrogenation reactors and in a hydrodewaxing reactor. The secondary material used is a mixture of gas oils from catalytic cracking and delayed coking in ratio from 90%-10% to 70%-30% and straight-run gas oil is further added in amount of not more than 30 wt % based on the total load of the material, wherein the straight-run gas oil is fed into the top part of the first or second hydrogenation reactor or in different fractions into the top part of the first and second hydrogenation reactors, wherein the hydrogenation reactors are loaded with nickel sulphide - tungsten catalyst, and the hydrodewaxing reactor is 70% loaded with a molybdenum catalyst on a zeolite support, and 30% by a nickel sulphide - tungsten catalyst.EFFECT: wider range of raw material resources for producing scarce jet fuel for supersonic aircraft, improved technological effectiveness of the process owing to a simple temperature control scheme in the reaction zone and high output of the end jet fuel.3 cl, 3 ex
ethod of producing branched olefins, branched alkyl aromatic hydrocarbon of branched alkylaryl sulphonates // 2430078
FIELD: chemistry.SUBSTANCE: invention relates to a method for synthesis of branched olefins, said method involving dehydrogenation of an isoparaffin composition containing 0.5% or less quaternary aliphatic carbon atoms on a suitable catalyst. Said isoparaffin composition is obtained via hydroisomerisation a paraffin composition and contains paraffin containing 7-18 carbon atoms. Said paraffins, at least some of their molecules, are branched, where content of branched paraffins in the isoparaffin composition is equal to at least 50% of the weight of the isoparaffin composition. The average number of branches per paraffin molecule is between 0.5 and 2.5 and the branches include methyl and optional ethyl branches. Said branched olefins contain 0.5% or less quaternary aliphatic carbon atoms. Said paraffin composition is obtained using Fischer-Tropsch method. The invention also relates to methods of producing a branched alkyl aromatic hydrocarbon and branched alkylaryl sulphonates including the method described above.EFFECT: high versatility and cost effectiveness of the method.7 cl, 19 ex

Procedure and device for hydraulic processing and hydraulic cracking // 2427610
FIELD: oil and gas production.SUBSTANCE: procedure consists in following stages: (a) there is performed hydrocarbon raw stock hydraulic processing by means of gas enriched with hydrogen for production of hydraulically treated output flow containing mixture of fluid and vapour; mixture of fluid and vapour is separated into liquid phase and vapour phase; (b) liquid phase is separated to controlled liquid part and excessive liquid part; (c) vapour phase is connected with excessive liquid part for production of vapour-liquid part; (d) there is extracted fraction containing raw stock for FCC from controlled liquid part and simultaneously there is performed hydro-cracking of vapour-liquid part for production of diesel-containing fraction or there is performed hydro-cracking of controlled liquid part for production of diesel containing fraction and simultaneously there is extracted fraction containing raw stock for FCC from vapour-liquid part. The invention also refers to the device for implementation of the procedure of hydraulic cracking with partial conversion.EFFECT: production of diesel fuel with ultra-low content of sulphur and substantially better combustibility.9 cl, 3 ex, 4 tbl, 4 dwg

ethod for isomerisation of light gasoline fractions containing c7-c8 paraffin hydrocarbons // 2408659
FIELD: chemistry.SUBSTANCE: invention relates to a method for isomerisation of light gasoline fractions containing C7-C8 paraffin hydrocarbons by extracting the C7-C8 fraction from wide gasoline fractions and bringing said C7-C8 fraction into contact with a catalyst containing a hydrogenating-dehydrogenating component on an oxide support in a hydrogen medium at high temperature and pressure in two reactors, fractionation to obtain a product fraction and a fraction of n-paraffins, monomethyl-substituted paraffins and methylcyclohexane which is recirculated into the gas-raw material mixture. The C7-C8 fraction (raw material) is extracted such that its content of C5-C6 hydrocarbons is equal to 0.1-15 wt %, while that of C8 hydrocarbons is equal to 0.1-20 wt %, by mixing the extracted C7-C8 fraction with hydrogen in molar ratio hydrogen: raw material equal to 0.5-4, with formation of a gas-raw material mixture and feeding said mixture into the first of two series-connected isomerisation reactors at temperature 160-250°C, pressure 1.0-4.0 MPa, and bulk speed for feeding material equal to 1-5 h-1. Quenched hydrogen at 40-60°C is fed into the second reactor, with molar ratio hydrogen: raw material equal to (0.1-1.0):1, and the oxide support is a composition of metal oxides: aAI2O3·bZrO2·cWO3·dTiO2·eMnO2, where weight ratios of the oxides are as follows: a=0.04-0.30; b=0.60-0.90; c=0.05-0.15; d=0.001-0.10; e=0.001-0.01.EFFECT: obtaining isomerisate with high octane number.2 cl, 3 tbl, 17 ex

Hydrogen treatment methods and systems and methods of improving existing fixed layer systems // 2393203
FIELD: chemistry.SUBSTANCE: invention relates to a fixed layer hydrogen treatment system, as well as methods of improving the existing fixed layer hydrogen treatment systems, involving preconcentration of heavy oil material in one or more suspension-phase reactors using a colloidal or molecular catalyst and further hydrogen treatment of the concentrated material in one or more fixed layer reactors using a supported porous catalyst. The colloidal or molecular catalyst is formed in situ by directly mixing a catalyst precursor composition with heavy oil material and raising temperature of the material to temperature above decomposition point of the catalyst precursor composition. Asphaltene and other hydrocarbon molecules which are in any case are too large for diffusion into pores of the fixed bed catalyst may be impregnated by the colloidal or molecular catalyst. One or more suspension-phase reactors may be made and placed upstream from one or more fixed layer reactors of the existing fixed layer hydrogen treatment system and/or converted from one or more existing fixed layer reactors.EFFECT: higher conversion level, higher catalyst activity.78 cl, 6 ex, 5 tbl, 29 dwg
ethod for obtaining motor petrol // 2389755
FIELD: oil and gas industry.SUBSTANCE: invention refers to oil refining industry, namely to method of obtaining high-octane motor petrol. Invention deals with method for obtaining motor petrol, which involves separation of petrol distillate of catalytic cracking into light and heavy fractions, hydroforming of heavy fraction mixed with straight-run diesel fraction, further additional hydroforming of extracted hydrotreated petrol fraction mixed with straight-run petrol fraction. Extracted hydrotreated petrol fraction is separated into two parts, one of which is subject to additional hydroforming mixed with straight-run petrol fraction; after that, it is directed to catalytic reforming, and the other part is mixed with light fraction of petrol distillate of catalytic cracking and catalysate of catalytic reforming in the following ratio, % wt: 20:40:40-10:30:60 respectively so that commercial motor petrol is obtained.EFFECT: compliance of base components of high-octane motor petrols as to quality with European standards.4 cl, 3 ex

ethod of heavy charge hydroconversion in disperse catalyst // 2387698
FIELD: oil and gas production.SUBSTANCE: invention relates to the method of hydroconversion combined with desulfurization in a reaction zone of sulphur-containing heavy hydrocarbon charge with hydrogen and a solid catalytic phase added, while said solid catalytic phase is prepared of a catalytic precursor wherein the conversion products supplied from the reaction zone are separated in an internal or external gas-liquid separator, and the catalytic precursor is injected in a liquid portion of conversion products recycled in the reaction zone; the portion saturated with dissolved hydrogen sulphide and containing pyrobitumens and/or resins and the catalytic precursor is injected in the specified liquid products with temperature within TS+/-10°C where Ts is outlet temperature of the specified liquid products from the reaction zone, and total pressure is within Ps+/-10 bar where Ps is outlet pressure of the specified liquid products from the reaction zone; said temperature makes 380°C to 500°C, and the prepared mixture reacts in the reaction zone. The invention also concerns an apparatus for implementation of this method.EFFECT: high-percentage conversion of heavy oil stock.18 cl, 3 dwg

ethod of treatment with hydrogen and system for enriching heavy oil with implementation of colloid or molecular catalyst // 2385346
FIELD: oil and gas industry.SUBSTANCE: methods and systems of treatment of heavy oil raw material with hydrogen producing enriched material consists in implementation of colloid or molecular catalyst dispersed in heavy oil raw material, also in implementation of hydraulic cracking and hot separator. Colloid or molecular catalyst catalyses reactions of hydraulic cracking and reactions of other treatment utilising hydrogen in the hydraulic cracking reactor. Catalyst preferably is associated with pyrobitumen in heavy oil raw material facilitating reactions of enrichment including pyrobitumen to a higher degree, than to forming coke precursor and sediment. Colloid or molecular catalyst solves problems relevant to porous catalysts on a carrier during enriching heavy oil raw material, particularly inability of such catalysts to efficiently process pyrobitumen molecules.EFFECT: decreased equipment clogging, increased level of conversion and more efficient utilisation of catalyst on carrier if used in combination with colloid or molecular catalyst.36 cl, 5 tbl, 25 dwg
ethod for production of diesel fuel // 2381259
FIELD: technological processes.SUBSTANCE: present invention is related to the field of oil processing, more precisely, to method for production of diesel fuel intended for use under conditions of low temperatures in the environment. Invention is related to method for production of diesel fuel, including hydrodewaxing of medium-boiling diesel fraction, which boils away in the range of 240-340°C on zeolite-containing catalyst, mixing of hydrodewaxed diesel fraction with kerosene fraction in the following ratio, wt %: 40-80:20-60 and hydraulic treatment of mixture on aluminium-cobalt-molybdenum or aluminium-nickel-molybdenum catalyst at increased temperature and pressure to produce finished product.EFFECT: production of diesel fuel for cold and arctic climate, with content of sulfur level that complies with according European standards and requirements of GOST R 52368-2005.4 cl, 3 ex
ethod of jet engine fuel production // 2352613
FIELD: chemistry; jet engine fuel.SUBSTANCE: method involves hydrogenation processing of oil distillates and catalytic dewaxing at higher temperature and pressure with catalysts added. The raw materials for the method are straight-run kerosin gas-oil distillates sequentially exposed to catalytic dewaxing and hydrotreating. Herewith catalyst volumetric ratio of catalytic dewaxing and hydrotreating is 25-60 vl % to 75-40 vl % respectively.EFFECT: cost improvement and higher productivity.3 cl, 3 ex

eyhod of obtaining distillates and lubricating oils // 2341550
FIELD: chemistry.SUBSTANCE: in method of obtaining distillates and residues for oil bases from hydrocarbon charge: a) charge is subjected to cracking in presence of hydrogen and hydrocracking catalyst, at least, in one reactor with boiling layer with possibility of conversion, at least, of 10 wt % of charge fraction, boiling at temperature over 370°C, into compounds with boiling point lower than 370°C; b) at least, part of effluent, obtained at stage a), is fractioned for isolation of, at least, first residue, at least, 85 wt % of whose compounds start boiling at temperature 320°C, said first residue containing aromatic compounds; c) at least, part of aromatic compounds from, at least, part of first residue is removed in order to obtain effluent with low content of aromatic compounds, content of aromatic compounds being less than 30 wt %; d) at least, part of effluent, obtained at stage c) is fractioned in order to isolate second residue for oil bases with output , at least, 15 wt % with respect to charge.EFFECT: possibility to combine production of high-quality lubricating oils with performing preliminary cracking in reactor with boiling layer.10 cl, 5 tbl, 1 dwg

ethod of treating streams of light naphta hydrocarbons // 2327731
FIELD: chemistry.SUBSTANCE: light cracking naphta is processed to convert mercaptans into sulphides and saturation of dienes and then later subjected to destructive hydrodesulfurisation (HDS) to convert organic sulphur compounds into hydrogen sulphide. Recombinant mercaptans, formed from reaction of hydrogen sulphide with olefins at the HDS output, usually heavier than the cracking naphta, are fractionated in a mixture with the heavy cracking naphta. The invention pertains to the method of extracting organic sulphur compounds, including mercaptans, from light cracking naphta (LCN), including the fractionated mixture, consisting of hydro-treated LCN, containing the initial quantity of organic sulphur compounds, including mercaptans, and heavy cracking naphta (HCN), with volume ratio of HCN:LCN ranging from 4:1 to 1:4, in the fractionating zone in corresponding temperature and pressure conditions for removal of fractions of still residues, containing the stated HCN and part of the organic compounds of sulphur from LCN, and light ends, containing LCN and organic compounds of sulphur in quantity less than that yielded from the fractionating zone.EFFECT: content of olefins in LCN does not reduce considerably.14 cl, 2 ex, 4 tbl, 2 dwg
ethod of preparing base oil from paraffin slack wax // 2280064
FIELD: petroleum processing.SUBSTANCE: feedstock containing paraffin slack wax is brought, in presence of hydrogen, into contact with sulfidized hydrodesulfurization catalyst containing nickel and tungsten on acid carrier and having hydrodesulfurization activity above 30%. Then temperature lowering stage is accomplished to solidify stream coming from contact stage.EFFECT: increased quality of desired product.24 cl, 3 ex

ethod for refinement of distillate by-product-coke raw material // 2247764
FIELD: by-product-coking industry.SUBSTANCE: claimed method includes hydrofining of by-product-coke resin with subsequent hydrodealkylation. In hydrofining step hydrogen donators such as naphthalene, anthracene, and phenanthrene hydro- or alkyl-derivatives, containing in coal-far resin, are obtained. Dealkylation is carried out using the said hydrogen donators. Quantitative content of hydrogen donators is equal the same of benzene, naphthalene, alkyl-derivatives, and other hydrodealkylated compounds (15-30 wt.% as calculated to raw material). Hydrofining is carried out under hydrogen pressure of 2-5 MPa, at 280-4000C, feed space velocity of 0.5-2 h-1, in hydrogen/feed ratio of 500-1000 l/kg in flowing system.EFFECT: finished product of improved quality.4 cl, 2 tbl, 2 ex

The way to obtain base oils of high boiling petroleum fractions // 2152426
The invention relates to catalytic methods hydroperiod hydrocarbons, and in particular to methods of hydroperiod high-boiling petroleum fractions with a high content of normal paraffins in the environment of hydrogen to obtain base oils with a high content of ISO-paraffins
 
2551185.
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