Alumina (B01J21/04)

ethod for preparing heat-resistant hydrophobic platinum catalyst for hydrogen oxidation reaction // 2641113
FIELD: chemistry.SUBSTANCE: invention relates to the method of preparing a heat-resistant hydrophobic platinum catalyst for the low-temperature hydrogen oxidation reaction, including the application of platinum at room temperature from the impregnation solution of hexachlor-platinum acid H2PtCl6⋅6H2O in the mixed solvent of acetone and mesityl oxide containing 10-90% of mesityl oxide, on the hydrophobic carrier granules γ-Al2O3, preliminary processed with the emulsion of dimethyl siloxane. After soaking in the impregnating solution, the carrier is dried and reduced with hydrogen. The pore size of the carrier granules is not less than 500 Ǻ.EFFECT: preservation of the hydrophobic properties and high catalytic activity of the catalyst at a temperature of not less than 573 K.2 cl, 3 dwg, 2 tbl, 3 ex

Catalyst of selective hydrogenation and methods of its production and application // 2640803
FIELD: chemistry.SUBSTANCE: composition is described, comprising an extruded inorganic support containing a metal or metalloid oxide, and, at least, one catalytically active metal of group 10. The extruded inorganic substrate has pores, a total pore volume and a pore size distribution. The pore size distribution profile has, at least, two peaks of pore diameters, each peak having a maximum. The first peak has the first maximum of pore diameters of more than 1000 nm to 6000 nm, and the second peak has the second maximum of pore diameters of less than about 120 nm; and about 15% or more of the total pore volume of the extruded inorganic substrate are within the range of the first peak of the pore diameters. The composition has a total pore volume of 0.1-0.6 cm3/g.EFFECT: good activity and increased selectivity of the catalyst.72 cl, 8 dwg, 3 tbl, 2 ex

Nanotubular materials crystallising in system of k2o-tio2-x-h2o (x=nio, mgo, al2o3, cr2o3, co2o3, fe2o3) and method of their synthesis // 2640766
FIELD: chemistry.SUBSTANCE: nanotubular materials crystallising in the system of K2O-TiO2-X-H2O (X=NiO, MgO, Al2O3, Cr2O3, CO2O3, Fe2O3) are characterized by the fact that in their composition up to 10% of ions Ti4+ is replaced by doping two- or trivalent metal. The method of synthesis of nanotubular materials is characterized by the fact that the synthesis of the samples is carried out by hydrothermal treatment of a pre-prepared mixture of hydroxide in KOH solution, to produce the initial mixtures of hydroxides, a solution of titanyl chloride synthesised by reaction of TiCl4 with chilled distilled water, is mixed with aqueous solutions of salts of finished elements in a predetermined ratio, and then the precipitation of hydroxides is produced by adding NH4OH to the aqueous solution mixture at pH=9-9.5 followed by washing with distilled water, drying at 70-90°C and mechanical crushing, then the crushed precipitate is mixed with 10 M KOH solution and subjected to a hydrothermal treatment at 170-180°C for, at least, 24 hours, after which the resulting product is washed with distilled water.EFFECT: invention makes it possible to synthesise potassium-titanate nanotubes with an average outer diameter of 5 to 12 nm.2 cl, 5 dwg, 2 ex
Catalyst, method of producing carrier, method of producing catalyst and method of hydrofining hydrocarbon feedstock // 2639159
FIELD: chemistry.SUBSTANCE: carrier of producing catalysts is described, which is modified γ-Al2O3 having a pore volume of 0.3-0.95 cm3/g, a specific surface area of 170-280 m2/g, an average pore diameter of 7-22 nm, and a mechanical strength of 2.0-2.5 kg/mm. γ-Al2O3 is modified with additives of the d-metal elements Ti or Zr, or V, or Cr, or Mn, or Cu, Zn, or by impregnating an aqueous solution of citrate or tartrate of corresponding metal with subsequent drying at a temperature of 120°C and by calcining at 550°C. A catalyst of hydrofining a hydrocarbon feedstock is also described, containing, wt %: 0-20 MoO3, and/or 0-24 WO3, 3-5 NiO or CoO, the rest - the carrier, method of producing a catalyst and method of hydrofining a hydrocarbon material.EFFECT: producing catalysts of hydrofining with high activity in the hydrodesulfurization of hydrocarbon feedstock.7 cl, 3 tbl, 8 ex
ethod of producing catalyst of hydrodeoxygenation of aliphatic oxygen-containing compounds // 2637117
FIELD: chemistry.SUBSTANCE: method of producing a catalyst for the hydrodeoxygenation of aliphatic oxygen-containing compounds to n-alkanes containing, as an active component, nickel phosphide on the surface γ-Al2O3, includes the impregnation of the carrier granules with a nickel compound, followed by reduction of the catalyst precursor, and treatment with a phosphorus-containing compound in the liquid phase by the method of temperature-programmed reducing phosphidation, characterized in that, in preparing the catalyst, an aqueous solution of nickel citrate and citric acid molar ratio of citric acid: Ni equal to 2, the resulting sample of the nickel-containing precursor catalyst prec preliminarily reduced in a hydrogen flow at a temperature not higher than 400°C, and treatment with the phosphorus-containing compound is carried out in the liquid phase by the method of temperature-programmed phosphidation with a phosphorus-organic compound solution, preferably with a solution of triphenylphosphine in n-decane, in a stream of hydrogen at a temperature of 250-380°C for 1-4 hours.EFFECT: high activity and selectivity of the catalyst in the hydrodeoxygenation reaction of methyl palmitate to form n-hexadecane and n-pentadecane.2 tbl, 4 ex

Hydrofining catalyst and method for processing heavy raw hydrocarbons // 2636150
FIELD: chemistry.SUBSTANCE: invention relates to a hydrofining catalyst for processing heavy raw hydrocarbons having significant vanadium concentrations, wherein the mentioned hydrofining catalyst comprises: a calcined particle comprising a co-mixed mixture prepared by co-stirring an inorganic oxide powder, molybdenum trioxide powder and group VIII metal particles, and then forming the mentioned co-mixed mixture into a particle which is calcined to thereby obtain the mentioned calcined particle, wherein the mentioned calcined particle has such pore structure that at least 23% of the total pore volume of the mentioned calcined particle is in the form of pores of the mentioned calcined particle having pore diameters greater than 5000 angstroms, and less than 70% of the total pore volume of the mentioned calcined particle is in the form of pores of the mentioned calcined particle having pore diameters in the range from 70 to 250 E as it is measured by method of mercury porosimetry. The mentioned molybdenum trioxide powder used to prepare the mentioned co-mixed mixture is in the finely grained state of molybdenum trioxide in the form of particles, or in the form of a finely grained powdered solid or in the form of a suspension, wherein the mentioned molybdenum trioxide in the form of particles has such particle size, the maximum measurement of which is in the range from 0.2 to 150 mcm. The mentioned stage of co-stirring is carried out in such a way that the mentioned co-mixed mixture has a pH value which is maintained in the range from 6 to 9. The calcination of the mentioend particle is carried out under controlled temperature conditions, at a calcination temperature in the range from 482°C (900°F) to 787.7°C (1450°F) for a calcination period so as to obtain the mentioned calcined particle having the mentioned pore structure. The mentioend calcined particle has a molybdenum content in the range from 2 wt % to 12 wt %. The mass percentage is based on molybdenum in the form of MoO3 and the total weight of the mentioned calcined particle. The invention also relates to a method of producing the claimed catalyst, as well as to a method for processing heavy raw hydrocarbons.EFFECT: high catalytic activity and stability of the catalyst.15 cl, 4 dwg, 3 tbl, 2 ex

Catalyst for alkylmercaptan synthesis and method for its production // 2635922
FIELD: chemistry.SUBSTANCE: catalyst preparation method includes an oxide inorganic carrier material and an oxide composition containing oxygen together with at least one alkali metal and tungsten. The method comprises the following stages: 1) providing at least one oxide inorganic material of a carrier in the form of particles of less than 1000 mcm in size, an oxide compound of tungsten. The tungsten oxide compound is selected from the group consisting of tungsten trioxide (WO3), tungstic acid (WO3⋅H2O), metatungstic acid, paratungstic acid, isopolytungstic acids, heteropolytungstic acids, ammonium salts thererof, hydrates thereof and mixtures thereof and at least one separate alkali metal compound. At least one mentioned alkali metal compound is a basic alkali metal compound, 2) mixing the carrier material with an oxide tungsten compound and at least one separate alkali metal compound to form the catalyst composition, and 3) forming the resulting catalyst composition. A catalyst for obtaining alkylmercaptans and a method for obtaining alkylmercaptans are also proposed.EFFECT: invention allows to obtain a catalyst which exhibits improved activity and selectivity in the reaction of hydrogen sulphide with alkanols to produce alkylmercaptans.18 cl, 23 dwg, 5 tbl, 18 ex
Catalyst for riforming gasoline fractions and method of its production // 2635353
FIELD: chemistry.SUBSTANCE: catalyst for reforming gasoline fractions containing platinum, rhenium, chlorine, and a carrier is described, the catalyst comprising a surface compound of dehydrated zirconyl aluminium oxodifluoride of general formula Al2O3[ZrOF2]x as a support with the weight stoichiometric coefficients x from 1.0·10-2 up to 10.0·10-2 at the following content of the components, wt %: platinum 0.1-0.5, rhenium 0.1-0.4, chlorine 0.7-1.3, carrier - the rest. The method of producing a catalyst for reforming gasoline fractions comprises preparing the support by mixing an aluminium hydroxide of a pseudoboehmite structure with an aqueous solution of hexafluorozirconic acid H2ZrF6, containing organic components (formic, acetic, oxalic, citric acid, or their mixture with a total acid modulus of, at least, 0.01 g-mol acid/g-mole of Al2O3) followed by drying to a moisture content of 58-65 wt %, by moulding into extrudates with a diameter of 1.0-3.0 mm, drying to a moisture content of not more than 20 wt % and calcining to a moisture content of not more than 3 wt %.EFFECT: production of reformed gasolines with reduced aromatic hydrocarbon content while maintaining the octane number, increasing the yield.4 cl, 9 ex, 2 tbl

Catalyst of oxidating combustible gases, method of its production and method of synthesis of iridium-containing connection-predecessor // 2635111
FIELD: chemistry.SUBSTANCE: catalyst contains nanoparticles of precious metal compounds, such as platinum, palladium, and iridium, with the molar ratio of elements (Pt+Pd):Ir equal to 1:x, where x ranges from 0.02 to 0.67 on porous media with a specific surface area of the pores from 50 to 500 m2/g. A method of producing a catalyst and a method of making compound-predecessor of iridium are also provided.EFFECT: invention makes it possible to produce a catalyst characterized by a high stability of the catalytic properties with long service lives.16 cl, 9 dwg, 1 tbl, 8 ex
Carrier for hydrotreating catalyst // 2633968
FIELD: chemistry.SUBSTANCE: method of producing a carrier containing, wt %: aluminium borate Al3BO6 with the structure of norbergite - 5.0-25.0; sodium - not more than 0.03; -γ-Al2O3 - the rest, while aluminium borate Al3BO6 with the structure of norbergite is a particle with dimensions of 10 to 200 nm, characterized by interplanar distances of 3.2 and 2.8 A, with an angle between them of 53.8°. The carrier has a specific surface area of 200-280 m2/g, a pore volume of 0.6-0.8 cm3/g, the average pore diameter is 7-12 nm and is a particle with a section in the form of a circle, trefoil, or quatrefoil with a diameter of the circumscribed circle of 1.0-1.6 mm and a length of up to 20 mm.EFFECT: increasing the catalytic activity during hydrotreating of hydrocarbon feedstock.3 cl, 2 dwg, 1 tbl, 7 ex
ethod of producing catalyst of hydrocarbon raw material hydrocraking // 2633965
FIELD: chemistry.SUBSTANCE: method comprises producing a granular support containing alumina and 50-70 wt % of amorphous silica-alumina with a Si/Al mass ratio of 0.6 to 0.85, characterized by an X-ray diffraction pattern containing a wide peak in the range of 16.5-33.5° with a maximum of 23.1-23.4°, deposing the bimetallic complex compounds of Ni(NH4)x[HyW2O5(C6H5O7)2], where C6H5O7 - the partially deprotonated form of citric acid; x = 0.1 or 2; y = 2-x, drying the catalyst at the temperature of 100-250°C. The resulting catalyst contains, wt %: Ni(NH4)x[HyW2O5(C6H5O7)2] 32.6-39.6, amorphous aluminosilicate 30.2-47.2, γ-Al2O3 - the rest, which corresponds to the catalyst content calcined at 550°C, wt %: WO3 - 19.3-24.2, NiO 3.0-3.8, amorphous aluminosilicate 36.0-54.4; γ-Al2O3 the rest.EFFECT: high yield of medium distillate fraction.4 cl, 2 tbl 5 ex
Catalyst of isomerization of light petrol fractions and method of its production // 2633756
FIELD: chemistry.SUBSTANCE: method includes preparing a support, shaping, drying, calcining, and impregnating it with a solution of zirconium sulfate, followed by drying and calcination, and then treating with a hexachloroplatinic acid solution, drying and calcining. The support is obtained by treatment of aluminium hydroxide with a pseudo-bimitic structure produced by reprecipitation of aluminium hydroxide by a nitrate method in a continuous precipitation mode, a solution of tin sulfate, followed by drying to a moisture content of 58-60 wt %, by moulding into granules with a diameter of 1.5-1.7 mm, drying to a moisture content of not more than 20 wt % and calcining to a moisture content of not more than 3 wt %, and impregnation with a hexachloroplatinic acid solution is carried out with the addition of sulfuric acid. A catalyst for isomerization of light gasoline fractions, which is obtained by the process of the invention, is also claimed and which contains components in wt %: Pt - 0.1-0.3, ZrO2 - 20-30, S042- - 6-10, Sn - 0.15-0.50, Al2O3 is the rest.EFFECT: high yield, maintaining a low content of active components in the catalyst.2 cl, 1 tbl, 7 ex
Catalyst and method of separate producing hydrogen and carbon monoxide from methane // 2633354
FIELD: chemistry.SUBSTANCE: composition catalyst of 5-15 wt %. Ni on γ-Al2O3 or SiO2 is promoted by vanadium oxide compounds, in terms of V2O5 in an amount of 5-20 wt %. A method of separate producing hydrogen and carbon monoxide from methane and CO2.EFFECT: invention makes it possible to increase the process productivity in hydrogen and carbon monoxide, to keep the productivity of hydrogen and carbon monoxide constant during the cycle, and to reduce energy costs.3 cl, 1 dwg, 11 ex

Reforming catalyst, containing hexaaluminate of hydrocarbons and reforming method // 2631497
FIELD: oil and gas industry.SUBSTANCE: invention relates to the catalyst, containing the hexaaluminate, in which there is the hexaaluminate containing phase, including cobalt in the amount from 2 up to 15 moll. % and at least one other element, selected from the group consisting of lanthanum, barium and strontium in the amount from 2 up to 25 moll. %, and the amount of aluminium is from 70 up to 90 moll. %. Besides the hexaaluminate containing phase in the catalyst, there is from 0 up to 50 wt % of the accessory oxide phase. The proposed catalyst production method contains according to the invention the aluminium source preparing, preferably alumina and/or aluminium hydroxide (boehmite), in the form of dispersible primary particles ≤with the size 500 nm; placing into contact of the fine aluminium source to the fusible or soluble cobalt containing compound, and at least one soluble or fused salt of the metal, selected from the group consisting the barium, lanthanum and strontium; careful mixing of the aluminium source with dissolved, or, respectively, molten metal salts; the mixture drying; the mixture low-temperature calcination; moulding, or respectively shaping. Besides, the invention relates to the gas reforming method, containing more than 70 vol. % of hydrocarbons, preferably methane and in the presence of carbon dioxide, with the hexaaluminate catalyst, which is heated at the contact with gas to be reformed at the temperature above 700°C, preferably above 800°C, more preferably above 900°C in the reactor, the pressure higher than 5 bar, preferably higher than 10 bar, more preferably above 15 bar, the space velocity of the reforming gas, placed into contact to the catalyst, is in the range from 500 to 20,000 h-1, and the catalyst containing hexaaluminate, contains the cobalt and at least one other metal, selected from the group, consisting of barium, strontium and lanthanum.EFFECT: catalyst with the low lanthanum content, with high coking resistance and high catalytic activity, using over the long periods of time in extremely hard process conditions.15 cl, 4 dwg, 6 tbl
Oxide-nickel catalyst production method // 2630956
FIELD: chemistry.SUBSTANCE: oxide-nickel catalyst production method includes the impregnating of alumina-based carrier with the nickel nitrate solution, further drying at the temperature of 100-120°C and calcination at the temperature of 450-500°C. The method is characterized in that, the carrier is preliminarily impregnated with the ammonia-carbonate solution with the concentration of NH3 - 31-40 g/l, CO2 - 81-90 g/l. Then, the carrier is washed with distilled water and the single hydrothermal treatment is carried out in the solution of nickel nitrate with the concentration of 100-300 g/l at the temperature of 50-80°C for 2-4 hours. In the method, the thickness of the surface catalytically active layer is formed as necessary within the range of 350-650 mcm.EFFECT: oxide-nickel catalyst production method creation on the inert carrier with the controlled thickness of the surface oxide-nickel layer in the industrial volumes, the method is characterized by the reduction of the catalyst production technological stages number and the increase of its service life.2 cl, 4 dwg, 5 ex
Production method of low sulfur diesel fuel // 2629355
FIELD: chemistry.SUBSTANCE: described the method of hydrofining the mixed and straight run diesel fractions with high sulfur content at the temperature of 340-380°C, the pressure 3.5-8.0 MPa, the raw materials mass consumption of 1.0-2.5 h-1, volume ratio hydrogen/raw materials 300-500 m3/m3 in the presence of the heterogeneous catalyst, containing wt %: [Co (H2O)2(C6H5O7)]2[Mo4O11(C6H5O7)2] 33.0-43.0%; carrier - the rest. The carrier contains, wt %: aluminium borate Al3BO6 with the norbergite structure - 5.0-25.0; sodium - no more than 0.03; γ-Al2O3 - the rest; that after sulphidizing according to the known methods corresponds to the content, wt %: Mo - 10.0-14.0; Co - 3.0-4.3; S = 6.7-9.4; carrier - the rest. The carrier contains, wt %: aluminium borate Al3BO6 with the norbergite structure - 5.0-25.0; sodium - not more than 0.03; γ-Al2O3 - the rest. The aluminium borate Al3BO6 with the norbergite structure, including in the catalyst content, is the particles with dimensions from 10 to 200 nm, characterized by interplanar distances of 3.2 and 2.8 A, with the angle between them of 53.8°.EFFECT: diesel fuel production, containing less than 10 ppm of sulfur during the hydrotreatment of straight-run and mixed diesel fractions with the high sulfur content.5 cl, 7 ex, 1 tbl

Dehydrogenation catalyst of light paraffin hydrocarbons and production method of unsaturated hydrocarbons with its use // 2627664
FIELD: chemistry.SUBSTANCE: disclosed the catalyst for the light paraffin hydrocarbons dehydrogenation, which is the chromium oxide, supported on alumina, at that the chromic oxide in the amount of 15-23 wt % is in the dispersed X-ray amorphous state. Also described the method of production the unsaturated hydrocarbons by dehydrogenation the corresponding paraffin hydrocarbons in the flow reactor with the fixed bed catalyst of volume ~ 1 cm3 when the paraffinic hydrocarbon is supplied at the rate of 420 h-1 and the process temperature 570°C, which is realized, using the above described catalyst, and the catalytic cycle is carried out for 31-136 minutes, including the dehydrogenation for 15-120 minutes.EFFECT: increase of the process productivity due to the increase of the dehydrogenation stage time and, correspondingly, the increase in the total yield of the unsaturated hydrocarbon per one dehydrogenation-regeneration-activation cycle.2 cl, 2 dwg, 1 tbl, 9 ex

ethod of obtaining catalyst usable in hydroprocessing and in hydroconversion // 2627362
FIELD: chemistry.SUBSTANCE: invention relates to a process of the preparation of a catalyst starting from a catalyst precursor containing an alumina carrier and/or silica-alumina and/or zeolite and containing at least one Group VIB element and optionally at least one element VIII Group. The method includes impregnating mentioned precursor with a solution of (C1-C4)dialkylsuccinate. The method includes the step of impregnating (step 1) of mentioned dried, calcined or regenerated precursor with at least one solution containing at least one carboxylic acid other than acetic acid, followed by aging and drying at a temperature of less than or equal to 200°C, possibly followed by heat treatment at a temperature of less than 350°C; Step 1 is followed by impregnation (step 2) with a solution containing at least one (C1-C4)dialkylsuccinate, then aging and drying at a temperature of less than 200°C no subsequent calcination step. The catalyst precursor and/or the solution of step 1 and/or the solution of step 2 contains phosphorus. The catalyst is used in hydroprocessing and/or hydroconversion.EFFECT: improvement of catalytic activity.21 cl, 1 dwg, 2 tbl, 8 ex
Catalyst for hydrocleaning of oil fractions // 2626454
FIELD: chemistry.SUBSTANCE: invention relates to catalysts for the hydrotreating of petroleum fractions containing cobalt and/or nickel, molybdenum, phosphorus, sodium and aluminium-supported oxides prepared on the basis of aluminium hydroxide of the "raw cake" grade. In this case, the aluminium hydroxide of the "raw cake" grade is produced by the method of single-flow deposition. The composition of the raw material for preparation of the carrier further comprises aluminium hydroxide powder with the following component ratio, wt %: aluminium hydroxide of the "raw cake" grade: aluminium hydroxide powder 1:1-2.3, respectively. The catalyst has the following chemical composition, wt %: cobalt and/or nickel oxide 3.0-4.5, molybdenum oxide 10.5-15.8, phosphorus oxide 3.0-4.0, sodium oxide 0.01- 0.05, aluminium oxide - the rest up to 100.EFFECT: increase in hydrodesulfurizing activity, decrease in bulk density, increase in specific surface area, simplification of cooking technology.3 cl, 4 tbl, 4 ex
ethod for preparing hydrotreatment catalyst of hydrocracking raw materials // 2626402
FIELD: chemistry.SUBSTANCE: invention relates to methods for preparing hydrotreatment catalysts of petroleum fractions with a boiling point above 360°C for producing raw materials with a low content of sulfur and nitrogen, which is further processed in the hydrocracking process. The method for preparing a catalyst, comprising the carrier impregnation, which comprises, wt %: aluminium borate Al3BO6 with the structure of norbergite - 5.0-25.0; sodium - not more than 0.03; -γAl2O3 - the rest, with an aqueous solution of a bimetallic complex compound [Ni (H2O)2]2[Mo4O11(C6H5O7)2] followed by drying. The catalyst contains, wt %: [Ni (H2O)2]2[Mo4O11(C6H5O7)2] 29.0-36.0%; carrier - the rest. The carrier impregnation is used by the moisture capacity or from a solution excess. Impregnation is carried out at the temperature of 20-80°C for 20-60 minutes with occasional stirring. After impregnation, the catalyst is dried in air at the temperature of 100-200°C. The catalyst has specific surface area of 130-180 m2/g, the pore volume of 0.35-0.65 cm3/g, the average pore diameter is 10-15 nm and particles with section in the form of circle, trefoil or quatrefoil with a diameter of the circumscribed circle of 1.0-1.6 mm and the length of up to 20 mm.EFFECT: producing a catalyst having the maximum activity in the desulfurization and denitrogenation reactions occurring during the hydrotreatment of petroleum fractions with a boiling point above 360 degrees.5 cl, 7 ex, 1 tbl
ethod of preparing catalyst of hydrocarbon raw material hydrotreatment // 2626399
FIELD: chemistry.SUBSTANCE: method of preparing a catalyst is described, that comprises impregnating a carrier, which contains, wt %: aluminium borate Al3BO6 with the structure of norbergite - 5.0-25.0; sodium - not more than 0.03; γ-Al2O3 - the rest; aqueous solution of a bimetallic complex compound [Co (H2O)2(C6H5O7)]2[Mo4O11(C6H5O7)2] followed by drying. The proportions of the components are used such that the resulting catalyst contains, wt %: [Co (H2O)2(C6H5O7)]2[Mo4O11(C6H5O7)2] 33.0-43.0; carrier - the rest. The carrier contains, wt %: aluminium borate Al3BO6 with the structure of norbergite - 5.0-25.0; sodium - not more than 0.03; γ-Al2O3 - the rest. The carrier impregnation is used by a moisture capacity or from a solution excess. After impregnation, the catalyst is dried in air at the temperature of 100-200C°. The used conditions of preparation provide a catalyst having a specific surface of 130-180 m2/g, a pore volume of 0.35-0.65 cm3/g, the average pore diameter is 7-12 nm and is particles with a section in the form of a circle, trefoil or quatrefoil with a diameter of the circumscribed circle of 1.0-1.6 mm and the length of up to 20 mm.EFFECT: producing a catalyst having maximum activity in target reactions occurring when hydrocarbon material is hydrotreated.5 cl, 7 ex, 1 tbl
Catalyst for hydrotreating hydrocarbon raw materials // 2626398
FIELD: chemistry.SUBSTANCE: catalyst is described containing, wt %: [Co(H2O)2(C6H5O7)]2[Mo4O11(C6H5O7)2] 33.0-43.0%; carrier - the rest; the carrier comprising, wt %: aluminium borate Al3BO6 with the structure of norbergite - 5.0-25.0; sodium - not more than 0.03; γ-Al2O3 - the rest. The aluminium borate Al3BO6 with the structure of norbergite is a particle with dimensions of 10 to 200 nm, characterized by interplanar distances of 3.2 and 2.8 A, with an angle between them of 53.8°. The catalyst has a specific surface area of 130-180 m2/g, a pore volume of 0.35-0.65 cm3/g, the average pore diameter is 7-12 nm and is particles with a section in the form of a circle, trefoil or quatrefoil with a diameter of the circumscribed circle of 1.0-1.6 mm and the length of up to 20 mm. After sulphiding by the known techniques, the catalyst contains, wt %: Mo - 10.0-14.0; Co - 3.0-4.3; S = 6.7-9.4; carrier - the rest.EFFECT: producing a catalyst having maximum activity in target reactions occurring when hydrocarbon material is hydrotreated.4 cl, 1 tbl, 7 ex
ethod of obtaining aluminium oxide with structure χ-al2o3 // 2626004
FIELD: chemistry.SUBSTANCE: method of obtaining a nanodispersed phase with a structure χ-Al2O3 involves screening out the thermochemically activated gibbsite of the target fraction of the product of thermoactivation of gibbsite with a particle size of less than 120 mcm. The fraction is then heated in a muffle furnace at a rate of 20-100°C/min up to a temperature of 600-1050°C, followed by keeping it at this temperature for at least 0.5 h.EFFECT: increase in the particle size of the nanodispersed phase, increase thermal stability, simplify the production technology.1 tbl, 10 ex
Aluminoxide carbonate carrier // 2626001
FIELD: chemistry.SUBSTANCE: charge of the catalyst carrier, including talc and kaolin, additionally containing white carbon black and alumina monohydrate (boehmite), at the following component ratio, wt %: talcum powder from 39 to 41; kaolin - from 19 to 21; monohydrate alumina (boehmite) - from 26 to 30 and white soot - the rest.EFFECT: increase in the yield of cordierite with a simultaneous decrease in the synthesis temperature of the alumina catalyst support, an increase in its strength and porosity.1 tbl, 3 ex

Cobalt nanocatalizer of fisher-tropsh synthesis, localized in porous material, and method of its obtaining // 2624441
FIELD: chemistry.SUBSTANCE: cobalt Fischer-Tropsch synthesis nanocatalyst is described localized in a porous material. The catalyst was prepared by a sol-gel process using an organogel as a matrix, which is a linear amphiphilic polymer. The active component is used as a core, and the porous material is used as a shell. The active component comprises the first metal component in the form of Co, the second metal component selected from Ce, La and Zr, and the third metal component selected from Pt, Ru, Rh and Re. The catalyst comprises the first metal component of 10-35 wt %, the second metal component of 0.5-10 wt %, the third metal component of 0.02-2 wt %, and the carrier is the rest. The carrier is a porous material of a spherical shape. The porous material has a pore size of 1-20 nm and a specific surface of 300-500 m2/g, the particle diameter of the active component core is 0.5-20.0 nm.EFFECT: low methane selectivity and good selectivity of C5+.9 cl, 1 dwg, 1 tbl, 12 ex
Catalyst carrier and catalysts, obtained on its basis // 2624024
FIELD: chemistry.SUBSTANCE: invention relates to a supported catalyst for processing of hydrocarbon raw materials to form products of processing which comprises at least one metal of Group 6, alternatively called group VIB of the periodic table, at least one metal selected from groups 8, 9 or 10, alternatively called group VIII of the periodic table, and optionally containing phosphorous, wherein said metals and phosphorus, if present, is deposited on the support or substrate, having a hole. Mentioned carrier or substrate have a unimodal distribution of pore size, total pore volume (TPV) from about 0.6 ml/g to about 1.1 ml/g, and the pore size distribution and content corresponding to the values measured by mercury porosimetry comprising: (a) an amount equal to or greater than about 78% to 95% of the PLO in the pores having a diameter of less than 200 Angstroms (Å); (B) from about greater than 2% to less than about 19% of the PLO in the pores having a diameter of 200 (Å) to less than 1000 Å; (C) an amount equal to or greater than 3% to less than 10% of the PLO in pores having a diameter equal to or more than 1000 Å; and (d) pore mode equal to or greater than about 90 E and less than about 160 Å; and wherein in mentioned (a)-(d) characteristics of the total pore volume (PLO) and pore distribution of a carrier supported catalyst and calculated excluding metals. The invention also relates to a catalyst substrate, catalyst preparation method, a process for hydrocarbon processing.EFFECT: increase in catalyst surface area and the number of active catalytic sites.14 cl, 5 tbl, 13 ex, 1 dwg
Catalytically active body for synthesis of simple dimethyl ether from synthesis gas // 2624015
FIELD: chemistry.SUBSTANCE: describes a catalytically active body for synthesis of dimethyl ether from synthesis gas, consisting of: (A) 70-90% by weight of a methanolate component selected from the group consisting of copper oxide, alumina, zinc oxide, amorphous alumina, Ternary oxide or mixtures thereof, (B) 10-30% by weight of an acid component selected from the group consisting of an aluminosilicate, γ-alumina and zeolite or mixtures thereof, the sum of the components (A) and (B) being generally 100% by weight, and wherein component (A) has a particle size distribution characterized by a D-10 of 5-140 mcm, A D-50 value of 40-300 mcm and a D-90 value of 180-800 mcm, wherein the component (B) has a particle size distribution characterized by a D-10 value of 5-140 mcm, a D-50 value, Equal to 40-300 mcm, and a D-90 value of 180-800 mcm, and particle size distribution of the components (A) and (B) is maintained in the catalytically active body. The process of preparing catalytically active body is disclosed, it comprises the step of: a) preparing a physical mixture comprising the above components (A) and (B). Also a process for preparing dimethyl ether from synthesis gas is disclosed; it comprises at least the following steps: f) reducing mentioned catalytically active body, g) contacting catalytically active body in the form of reduced with hydrogen and at least one of carbon monoxide or carbon dioxide. Exemplified catalytically active body is applied to produce dimethyl ether.EFFECT: obtaining a catalytically active body, which features the ability to convert CO synthesis gas selectively to dimethyl ether and CO2, whereby the yield of dimethyl ether increases.12 cl, 2 tbl, 3 ex
Carrier for catalysts based on aluminium oxide and method of its preparation // 2623436
FIELD: chemistry.SUBSTANCE: carrier for catalysts based on alumina with a corundum structure of various geometric shapes has a specific surface area of 2.5 m2/g up to 10 m2/g, the total pore volume from 0.30 cm3/g to 0.64 cm3/g. Pores up to 0.1 nm do not exceed 25% of the total porosity, pores from 0.1 to 4 nm make up at least 75% of the total porosity, pores over 4 nm do not exceed 12% of the total porosity, contains sodium cations from 0.02 to 0.35%, silicon from 0.05 to 5% and iron from 0.01 to 2%. The invention also relates to a method of producing mentioned compounds.EFFECT: obtaining carriers with a specific surface in a wider range, with a narrower pore size distribution.9 cl, 1 tbl, 14 ex
ethod of preparation of carrier for catalyst of hydraulic cleaning of oil faces // 2623432
FIELD: chemistry.SUBSTANCE: method for preparing a carrier for hydrotreating catalysts based on active alumina is provided, comprising mixing aluminium hydroxide "crude cake" with aluminium hydroxide powder, treating the mixture with an organic acid solution, forming, drying and calcining. Aluminium hydroxide, a "crude cake", is produced by a single-stream precipitation method, which involves the precipitation of aluminium hydroxide from the sodium aluminate solution with nitric acid, and the components are mixed in a ratio (wt %) 1:1-2.3.EFFECT: decrease in bulk density, increase water absorption, increase mechanical strength, increase the specific surface area, simplify the technology of preparation, reduce material and energy costs and reduce production costs.3 cl, 5 tbl
ethod for hydrocracking catalyst compositions production // 2622382
FIELD: chemistry.SUBSTANCE: invention relates to a method for obtaining of hydrocracking catalyst selective in terms of naphtha, containing 3 to 4.8% of molybdenum in terms of metal and 1.5 to 3% of nickel in terms of metal, which includes introduction into a refractory oxide medium containing an aluminium oxide binder and a Y zeolite component in an amount of 65 to 75 % per the total weight of catalyst, nickel and molybdenum in solution containing citric acid, where the Y zeolite component size is equal to an elementary cell in the range from 24.42 to 24.52 E, molar ratio of silicon dioxide and aluminium oxide (SD/AO) ranges from 10 to 15 and the surface area varies from 910 to 1020 m2/g. The invention also refers to the hydrocarbons hydrocracking technique, which includes raw material contact with a catalyst composition prepared by the method stated above at an elevated temperature.EFFECT: obtaining of a hydrocracking catalyst selective against naphtha.7 cl, 2 tbl, 3 ex
ethod of obtaining a ceramic precursor for synthesis of leukosaphir // 2622133
FIELD: chemistry.SUBSTANCE: mixture of hydrargillite with 1÷15 wt % of electrocorundum with a grain size of 10-50 mcm is filled with 0.5÷2 wt % of aqueous hydrochloric acid and stirred to form a composition of a homogeneous dispersed phase, the composition is placed in an autoclave in which hydrothermal treatment is carried out at a temperature of 180÷220°C for 4÷26 hours, the resulting mixture of formed and electrocorundum is first heated in a muffle furnace in air at a temperature of no higher than 1200°C until the moisture is completely removed, then transferred to a vacuum oven, heated and maintained at a temperature of 1700 to 1800°C for 1÷2 hours, the resulting ceramic is then cooled to form a precursor.EFFECT: invention makes it possible to produce a ceramic precursor with a high density, which makes it possible in the future to synthesise a qualitative leucosapphire with a low content of mineral impurities.5 ex
Catalyst of dehydration of paraffin hydrocarbons, method of its production and method for dehydrated hydrocarbons using this catalyst // 2622035
FIELD: chemistry.SUBSTANCE: catalyst containing chromium, potassium and/or sodium, cerium and/or zirconium oxides applied to a composite support including aluminium oxide and aluminium is described. The carrier contains 2-5% of aluminium, and the carrier is obtained by hydrothermal treatment of powdered metal aluminium with a particle size of 10÷500 nm in one step in a weight ratio of Al:H2O=1:17 at relatively low temperatures (20÷100°C) and atmospheric pressure for 15 minutes (without preliminary preparation of materials and without the use of autoclave equipment) followed by heat treatment at a temperature of 95-700°C. The process of preparing the catalyst comprises impregnating the support with an aqueous solution containing soluble compounds of chromium, potassium and/or sodium, cerium and/or zirconium, followed by drying at 95-120°C and calcination at 400-800°C for 4 hours. The process of dehydrogenation of paraffinic hydrocarbons in a stationary bed is described using the above-mentioned aluminium chromium catalyst.EFFECT: production of granular alumochrome catalyst with high mechanical stability and catalytic activity in dehydrogenation of paraffinic hydrocarbons into the respective unsaturated hydrocarbons.3 cl, 2 tbl, 7 ex
ethod of preparation of the catalyst for steam reforming of oil and hydrocarbon gases // 2620605
FIELD: chemistry.SUBSTANCE: catalyst described steam reforming of naphtha and hydrocarbon gases containing oxides of nickel, magnesium, calcium, potassium and aluminium. The support is prepared by mixing alumina, a structure-forming additive and kaolin with the following component ratio, wt %: The building agent 6.9-8.5; kaolin 1.5-12.0; alumina balance to 100. In the preparation of the carrier, alumina and a structure-forming additive are premixed, after which the mixture is ground and the resulting milling is mixed with kaolin. The carrier moulded in the form of granules is dried and calcined. When preparing the catalyst, the carrier is impregnated with calcium with a magnesium solution (dolomite extract).EFFECT: increase in stability, conversion rate, heat resistance, decrease in pressure drop and temperature, prevention of coking, catalyst destruction and increase in its service life, reduction of catalyst consumption and material costs are obtained not by the additive contribution of each component, but due to the total synergistic effect.5 cl, 3 tbl, 5 ex
Catalyst for steam reforming of oil and hydrocarbon gases // 2620383
FIELD: chemistry.SUBSTANCE: catalyst described steam reforming of naphtha and hydrocarbon gases containing oxides of nickel, magnesium, calcium, potassium and aluminium. The composition of the raw material for the preparation of the support includes alumina, a structure-forming additive and kaolin, with the following component ratio, wt %: a build-up additive of 6.9-8.5; kaolin 1.5-12.0; alumina balance to 100. In the preparation of the carrier, alumina and a structure-forming additive are premixed, after which the mixture is ground and the resulting milling is mixed with kaolin. The resultant catalyst has the following chemical composition, in wt %: nickel oxide 5.0-16.0; 1.8-5.3 magnesium oxide; calcium oxide 1.50-5.1; 3.4-5.5 potassium oxide; alumina 1.0-3.8; carrier the complement to 100.EFFECT: increase in stability, conversion rate, heat resistance, decrease in pressure drop and temperature, prevention of coking, catalyst destruction and increase in its service life, reduction of catalyst consumption and material costs are obtained not by the additive contribution of each component, but due to the total synergistic effect.4 cl, 3 tbl, 5 ex
Catalyst for hydrofining diesel fractions and method of preparing thereof // 2620089
FIELD: chemistry.SUBSTANCE: catalyst comprises a carrier of alumina and molybdenum oxide composition and comprises the following in wt %: molybdenum oxide - 16.0-22.0; nickel or cobalt oxide - 5.0-7.0; boron oxide - 0.7-1.0, wherein the ratio of molybdenum oxide to boron oxide is in the range of 22.0-22.85, while the ratio of nickel or cobalt oxide to molybdenum oxide is 0.31-0.32. A method of preparing the catalyst, comprising forming a carrier consists in that the catalyst carrier is produced by humidification and peptization of aluminium hydroxide, followed by mixing it with ammonium molybdate and plasticiser, extruding of the resulting mixture, followed by drying, calcination and evacuation of the carrier before impregnation with the catalytically-active components. Impregnation of the carrier is carried out in two successive stages, at the first stage the carrier is impregnated with an aqueous boric acid solution with intermediate drying and calcination. At the second stage it is impregnated with a solution comprising ammonium molybdate, nickel nitrate or cobalt nitrate, hydrogen peroxide and nitric acid in the following weight ratio: 0.65-0.86: 1.4-1.98: 1.24-1.41:1.EFFECT: high catalytic activity, which provides high output of a stable hydrogenation product and obtaining diesel fuels with ultralow sulphur content.2 cl, 1 tbl, 6 ex
ethod for preparing a catalyst for gas synthesis from methane, a catalyst prepared by this method, and a method of producing gas synthesis from methane with its use // 2619104
FIELD: chemistry.SUBSTANCE: method of preparing a catalyst for producing synthesis gas from methane comprises a carrier and coated on the surface of alumina and platinum metal, the method characterized in that the porous carrier in the form of metal fibers sintered and compacted in the form of a porous sheet fehrali having the composition: Cr - 20%, Al - 4.75%, Y - 0.27%, other elements 1-2%, Fe - rest on the support by sequential impregnation solutions of Al (i-C3H7O)3 and acetylacetone in ethanol, and an aqueous solution of H2PtCl6 coated aluminium salts and platinum, followed by calcination in air, the catalyst contains about 6 wt % alumina and 0.3 wt % platinum metal. It is declared as a catalyst and process for producing synthesis gas.EFFECT: resulting catalyst provides a virtually complete absence of soot formation in the preparation of synthesis gas.3 cl, 1 tbl

Catalytic composition and process for dehydrogenation of butenes or mixtures of butanes and butenes to give 1,3-butadiene // 2614977
FIELD: chemistry.SUBSTANCE: invention relates to a catalyst composition and a method, wherein said composition is used for production of 1,3-butadiene of separate butenes or mixtures thereof or mixtures of butanes and butenes. Catalyst composition includes microspherical aluminium oxide, modified with silicon dioxide, and an active component. Active component contains platinum and/or platinum oxide in amount from 1 ppm to 500 ppm with respect to total weight of catalyst composition, gallium oxides, selected from Ga2O3 Ga2O and mixtures thereof, tin and/or tin oxides and oxides of alkaline and/or alkaline-earth metals. Also described is a method for dehydrogenation of reagents.EFFECT: technical result is obtaining active, non-toxic catalyst composition which exhibits function of thermal vector for compensating for endothermic nature of dehydrogenation reaction and overcomes critical aspects of industrial technologies.24 cl, 1 dwg, 2 tbl, 2 ex

Catalyst composition for dehydrogenation of hydrocarbons and method of preparation thereof // 2612498
FIELD: chemistry.SUBSTANCE: invention relates to a catalyst composition for dehydration of hydrocarbons containing nano-sized complex, containing group VIII element; group IVA element and sulphur-containing protective agent; alkaline element; halogen element selected from a group comprising fluorine, chlorine, bromine and iodine; and a substrate with an inner core of alpha-aluminium oxide and outer layer containing a mixture of gamma-aluminium oxide and delta-aluminium oxide, wherein said substrate has surface area in range of 20–200 m2/g; wherein said catalyst composition is able to provide a dehydrogenated hydrocarbon product, characterised by bromine number of at least 19. Invention also relates to a method of producing a catalyst composition and to a method of dehydrogenating hydrocarbons.EFFECT: technical result consists in preparing a catalyst with low diffusion resistance and with improved activity.16 cl, 6 dwg, 5 tbl, 2 ex

Alumina carrier and method of producing thereof // 2611618
FIELD: chemistry.SUBSTANCE: invention can find application in the manufacture of catalysts for various branches of the chemical and petrochemical industries, the invention specifically relates to a method of producing alumina carrier for a catalyst comprising the hydrothermal treatment of powdered metallic aluminium in a ratio of Al:H2O=1:8-40 and the drying of hydrothermal synthesis products. The powdered metallic aluminium is used with a particle size of 10-500 nm, the hydrothermal treatment is carried out in one step at a low temperature of 20÷100°C for no longer than 20 minutes without preliminary preparation of materials and without using autoclave equipment. The alumina carrier comprises metallic aluminium in an amount of 5.2 wt %, has a surface area of 178-328 m2/G, a pore volume of 0.53-0.78 cm3/G, an average pore size of 8.6-14.8 nm.EFFECT: simplification of the method of producing alumina carrier suitable for synthesis of catalytic materials on basis thereof with minimum labour and energy input.3 cl, 1 tbl, 2 dwg, 9 ex

Hydroprocessing catalyst and methods of making and using such catalyst // 2610869
FIELD: chemistry.SUBSTANCE: invention relates to a method of making a catalyst composition, suitable for hydroprocessing o hydrocarbon feedstock. Method involves preparation of a support particle, that is an inorganic oxide material; impregnating said support particle with a first aqueous impregnation solution comprising a first Group VIII metal component, a first Group VIB metal component and a first phosphorous component, to thereby provide a metal impregnated support; calcining said metal impregnated support to provide a base catalyst, comprising type I active sites and said first phosphorous component; impregnating said base catalyst with a second aqueous impregnation solution comprising a second Group VIII component, a second Group VIB component and a second phosphorous component to thereby provide a metal impregnated base catalyst; drying said metal impregnated base catalyst under non-calcination conditions that are controlled so as to provide a dried intermediate comprising type II active sites and said second phosphorous component; and sulphiding said dried intermediate, without a prior calcination thereof. Disclosed also is a version of method, catalyst composition, method of hydroprocessing hydrocarbon feedstock and a composition suitable in hydroprocessing hydrocarbon feedstock.EFFECT: method enables optimisation and control of relative ratio of different types of catalytically active centres in catalyst composition to produce certain required results and improved catalytic properties.28 cl, 1 dwg, 1 tbl, 5 ex
ethod for deasphalting and demetallizing heavy oil stock // 2610525
FIELD: oil and gas industry.SUBSTANCE: invention relates to a method for removing asphaltenes and metals from heavy oil stock. The method of high-temperature deasphalting and demetallization of heavy oil stock is performed as follows. Heavy oil or masut is passed through a fixed bed of adsorbent at the temperature of 300-600°C at the stock feed rate through the adsorbent of 0.5-2 g-stock / g-adsorbent / hr in the presence of hydrogen supplied at the pressure of 4-7 MPa, the method being characterized in that an adsorbent consisting of gamma-alumina obtained by means of template synthesis, containing macropores that form the regular three-dimensional structure, is used, wherein the proportion of the macropores with a size ranging from 50 nm to 500 nm is not less than 30% of the total pore volume.EFFECT: invention is an economical method of obtaining liquid oil products with the low content of metals and asphaltenes.2 cl, 3 dwg, 4 ex
Catalyst for process of dehydration of ethanol to ethylene, preparation method thereof and method of producing ethylene // 2609263
FIELD: chemistry.SUBSTANCE: invention relates to a method of producing ethylene during dehydration of ethanol using highly active aluminium oxide catalysts. Described is a granular nanostructured aluminium oxide catalyst, having composition containing aluminium oxide, sodium and additionally sulphur, or phosphorus, or chlorine in following amount, wt%: sodium 0.005–0.02, sulphur 0–5, phosphorus 0–2.8, chlorine 0–2.6. Catalyst has a bi-disperse porous structure, micropore volume varies from 0.06 to 0.18 cm3/g, mesopore volume of 0.2–0.32 cm3/g, total pore volume of 0.25–0.55 cm3/g, average diameter varies from 3–5.5 nm with catalyst specific surface area of 200–350 m2/g. Aluminium oxide is a mixture γ-Al2O3, χ-Al2O3 and x-ray amorphous phase of aluminium oxide in following ratio, wt%: χ-Al2O3 and x-ray amorphous phase of 60–70, γ-Al2O3 30–40. Described is a method of preparing said catalyst and method of producing ethylene using said catalyst.EFFECT: simple technique of preparing catalyst and increased output of ethylene.13 cl, 16 ex, 3 tbl

ethod for manufacturing spheroidal alumina particles // 2608775
FIELD: chemistry.SUBSTANCE: invention can be used in chemical industry. To obtain spheroidal alumina particles suspension is prepared, containing water, an acid and at least one boehmite powder. Ratio of size of crystallites along directions [020] and [120], obtained using Scherrer formula for x-ray diffraction, varies from 0.7 to 1. Method includes adding to suspension a porogenic agent, surfactant and, optionally, water or emulsion containing at least one porogenic agent, surfactant and water. Content of porogenic agent, expressed as a ratio of weight of porogenic agent to total weight of water added to obtained suspension is in range from 0.2 to 30 %. Suspension is mixed and spheroidal particles are formed by coagulation in a droplet. Obtained particles are dried and calcined. Particles have average diameter from 1.2 to 3 mm, BET specific surface area of 150–300 m2/g, value of density of filling with a seal from 0.5 to 0.6 g/ml.EFFECT: invention enables to obtain alumina particles with high mechanical strength with low density.15 cl, 1 dwg, 1 tbl, 11 ex
Ceria zirconia alumina composition with enhanced thermal stability // 2608741
FIELD: technological processes.SUBSTANCE: invention relates to a method of producing calcined mixed oxide containing oxides of Al, Ce and Zr. Method includes following stages: (a) providing an aqueous slurry comprising hydroxides of cerium and zirconium and additionally containing one or more rare-earth metal hydroxides, other than cerium, (b) contacting cerium and zirconium hydroxides with boehmite of formula (AlO(OH)×H2O), to obtain an aqueous suspension of solid particles, (c) separating solid particles from aqueous suspension and drying to obtain a solid composition, and (d) calcining solid composition from step (c) at temperature from 450 to 1,200 °C for at least one hour, to obtain a calcined mixed oxide. Also disclosed is a calcined mixed oxide.EFFECT: invention enables to obtain a calcined mixed oxide with improved thermal stability.11 cl, 32 ex

Porous inorganic composite oxide // 2606505
FIELD: technological processes.SUBSTANCE: invention relates to porous inorganic composite oxide intended for use as substrate material for catalyst, which includes aluminium and cerium oxides, or aluminium and zirconium oxides, or aluminium, cerium and zirconium oxides and optionally one or more doping elements oxides selected from transition metals, rare-earth metals and their mixtures, wherein said inorganic composite oxide has: (a) specific surface area after calcination at 1,100 °C for 5 hours, more or equal to area, calculated according to equation SA=0.8235[Al]+11.157, in which: SA represents specific surface area of inorganic composite oxide according to BET, in square meters per g, and [Al] is a number of aluminium oxides in composite oxide, expressed in form of weight ratio of Al2O3 to 100 weight fractions of composite oxide, and (b) is total volume of pores after annealing at 900 °C for 2 hours, greater than or equal to volume calculated according to equation PV=0.0097[Al]+0.0647 where PV represents inorganic composite oxide pores volume in cubic centimeters per g, wherein composite oxide involves, in each case in amount, which is expressed in form of separate binary oxide of corresponding element on 100 weight fractions of composite oxide: (a) approximately from 20 to 98 wt of Al2O3, and (b) (i) approximately from 2 to 80 wt of ZrO2, or (b) (ii) approximately from 2 to 80 wt of CeO2, or (b) (iii) approximately from 2 to less than 78 wt of ZrO2 and from 2 to 78 mass fractions of CeO2 provided that, combined amount of ZrO2 and CeO2 does not exceed 80 weight fractions, and (c) optionally up to approximately 15 weight fractions of one or more doping elements oxides selected from transition metals, rare-earth metals and their mixtures. Invention also relates to method of porous inorganic composite oxide producing, as well as to internal combustion engine exhaust gases catalyst.EFFECT: technical result consists in production of thermally stable porous inorganic composite oxide with increased volume of pores.19 cl, 16 dwg, 1 tbl, 20 ex

ethod of hydrocracking with suspended catalyst layer // 2606117
FIELD: chemistry.SUBSTANCE: invention relates to a method of hydrocracking with suspended catalyst layer. Method comprises feeding one or more hydrocarbon compounds, having initial boiling point of at least 340 °C, and suspension catalyst in hydrocracking zone with a suspended catalyst layer. Suspended catalyst contains red mud, in which there is 1) from 40 to 50 wt% of iron; 2) from 3 to 14 wt% of aluminium; 3) not more than 10 wt% of sodium; 4) from 3 to 8 wt% of calcium. All values of percentage content of catalytic component relate to metal and are obtained per weight of dried suspension catalyst.EFFECT: proposed method simplifies process and reduces costs for raw materials due to use as catalyst of red mud with increased content of iron, minimises toluene-insoluble organic residues.8 cl, 4 tbl, 1 dwg

Catalyst for hydro-skimming vacuum gas oil and preparation method thereof (versions) // 2605939
FIELD: chemistry.SUBSTANCE: invention relates to versions of supports of a catalyst for hydro-skimming vacuum gas oil. According to a first version, catalyst support contains 30-80 wt% aluminium oxide in form of boehmite or pseudo-boehmite and 20-70 wt% aluminium oxide, obtained by preliminary treatment of aluminium hydroxide with 1-7 % nitric acid solution at temperature of solution 5-10 °C and dried by spraying in a stream of hot air at temperature of 190-210 °C to produce particles, 80 % of which have size less than 45 mcm, wherein support has pore volume of 0.54-0.70 cm3/g and coefficient of mechanical strength 2.6-3.5 kg/mm. Invention also relates to a second version of a catalyst support, wherein 27.3-49.6 wt% aluminium oxide and 2.7-31.4 wt% silicon oxide are contained in form of mesoporous aluminosilicate with weight ratio of SiO2:Al2O3= 0.1:0.65, wherein support contains: aluminium oxide 68.6-97.3 wt%, silicon oxide 2.7-31.4 wt%, has pore volume of 0.57-1.02 cm3/g and coefficient of mechanical strength 2.7-4.0 kg/mm. Invention also relates to methods (versions) of making a catalyst for hydro-skimming vacuum gas oil.EFFECT: technical result consists in improvement of mechanical strength and pore volume of support, sufficient for application by impregnation from 25 to 35 wt% active components of catalyst, which provides during hydro-skimming vacuum gas oil degree of conversion for sulphur of not less than 98 %, and nitrogen - not less than 80 %.4 cl, 1 tbl, 6 ex

Improved method for epoxidation of fatty acids, esters thereof and mixtures thereof // 2605094
FIELD: chemistry.SUBSTANCE: present invention relates to an improved method for epoxidation of mono-and polyene fatty acids, esters thereof and mixtures thereof, according to which a solid catalyst is used, which is a group VIB metal oxide applied on a support. Said support includes silicon dioxide, aluminium oxide and mixtures thereof, and a group VA promoter. Content of group VIB metal oxide in the catalyst is 5-20 wt% of weight of support. Mono- and polyene fatty acids, esters thereof or mixtures thereof are brought into contact with said catalyst for a period of time ranging from 0.5 to 6 hours at temperature ranging from 40 to 120 °C followed by extraction of epoxy product from reaction mass to produce mono- and polyepoxy-functionalised fatty acids, esters and mixtures thereof. Amount of by-products in obtained epoxy product is less than 1 %.EFFECT: disclosed method enables to achieve virtually complete conversion of initial raw material and high selectivity on epoxides and allows reuse of catalyst.15 cl, 2 dwg, 7 tbl, 20 ex

Composite nanocrystalline catalyst for propane cracking to obtain olefins and method for its production // 2604884
FIELD: petroleum chemistry.SUBSTANCE: invention relates to petrochemistry. Composite nanocrystalline catalyst for propane cracking to obtain olefins contains nanocrystalline aluminium oxide, modified with titanium oxide or silicon oxide with mass fraction of latter from 0.35 to 5 %. Method of producing composite nanocrystalline catalyst involves obtaining nanofibrous aerogel of aluminium oxide by oxidation of aluminium plate by humid air at room temperature and impregnation of produced carrier with solutions of titanium isopropoxide (IV) or triethoxychlorosilane at increasing temperature from 373 K to 473 K, with further crystallization in stream of hydrogen at increasing temperature from 600 K to 1,200 K or in hydrogen atmosphere at temperature of 1,200 K.EFFECT: use of catalyst provides high yield of olefins.2 cl, 2 tbl

Nanocrystalline catalyst for cracking propane in order to obtain olefins and method for production thereof // 2604882
FIELD: petroleum chemistry.SUBSTANCE: invention relates to petrochemistry. Nanocrystalline catalyst for cracking propane in order to obtain olefins is a nanocrystalline form of aerogel of aluminium oxide. Method of producing nanocrystalline catalyst for cracking propane in order to obtain olefins involves amalgam oxidation with further crystallisation of nanofibrous aluminium oxide in a stream of hydrogen at temperature starting from 600 K and each hour of raising temperature by 50° and reaching temperature of 1,200 K, which is maintained for 10 hours or in a hydrogen atmosphere for 5 hours.EFFECT: use of catalyst provides high yield of olefins.2 cl, 2 tbl
 
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