A method of producing hydrocarbons from synthesis gas and the catalyst for him

 

The invention relates to the production of hydrocarbons from synthesis gas. Variants of the method of processing the catalyst carrier. The method consists in the introduction on the surface or inside the raw catalyst carrier, partially soluble in acidic aqueous solution and/or a neutral aqueous solution, Si, Zr, Cu, Zn, Mn, Ba, Co, Ni and/or La as a modifying component. The modifying component is capable if present in and/or on the carrier of the catalyst to suppress the dissolution of the catalyst carrier in an acidic aqueous solution and/or a neutral aqueous solution, forming a protected modified catalyst carrier, less soluble or more inert in acid water and/or neutral aqueous solution than the untreated catalyst carrier. Describes the protected modified catalyst carrier. The described method of preparation of the catalyst on the protected media, the catalyst on the protected modified carrier and method for producing hydrocarbons from synthesis gas. The technical result is obtained catalyst carrier conversion of synthesis gas, more inert or less soluble in acidic water and/or neutral aqueous solution. 3 S. and 14 C.p. f-crystals, 4 tab., 12 Il. Claims

1. The method of processing the catalyst carrier in the process of forming the catalyst, providing for impregnation in a neutral or acidic conditions, which consists in the introduction and/or raw particles of catalyst carrier selected from the group comprising Al2About3titanium dioxide (TiO2) and magnesium oxide (MgO), the modifying component selected from the group comprising Si, Zr, Cu, Zn, Mn, Ba, Co, Ni and La, and the calcination of the catalyst carrier containing the modifying component for decomposition of organic groups or the formation of spinel structures in the media, at a temperature of from 400 to 800And during the time period from 1 min to 4 h, obtaining thus protected modified catalyst carrier, less soluble or more inert in acid aqueous solution and/or in a neutral aqueous solution than the untreated catalyst carrier, and the modifying component is in the particles of the modified catalyst carrier, on their surface, and chemically linked to the surface of the particles, while in the case where the modifying component contains Co or Zr, the temperature of annealing lies in the range is the component on and/or in the catalyst carrier includes contacting the modifying component precursor with the carrier of the catalyst.

3. The method according to p. 2, characterized in that the contacting of the precursor with the carrier of the catalyst is in the dissolution of the precursor in the impregnating solution, the addition of particles of the catalyst carrier to the obtained solution with the formation of the processed mixture, maintaining the treated mixture at a temperature close to the boiling point, and at a pressure approximately equal to atmospheric, from 1 min to 20 h; and removing excess solvent or solution in a vacuum of 1 to 100 kPa.

4. The method according to p. 3, characterized in that the modifying component precursor is a precursor of silicon, while the untreated catalyst carrier is Al2About3,and predecessor take in such quantities that the silicon content in the resulting protected modified catalyst carrier is at least 0,06 Si atoms/nm2raw or fresh media.

5. The method according to p. 4, characterized in that the raw media are dried by spray drying of Al2About3and the predecessor is taken in such quantities that the silicon content in the resulting protected modified media Katalizator as the modifying component precursor used inorganic compound of cobalt, when this modifier component is cobalt.

7. The method according to p. 3, characterized in that the modifying component precursor used circinelloides connection, with the modifying component is zirconium.

8. The method of processing the catalyst carrier in the process of forming the catalyst, providing for impregnation in a neutral or acidic conditions, which consists in mixing particles of the raw catalyst carrier selected from the group comprising Al2About3titanium dioxide (TiO2) and magnesium oxide (MgO), with a solution of a precursor of a modifying component selected from the group comprising Si, Zr, Cu, Zn, Mn, Ba, Co, Ni and La in the solvent for impregnation with the formation of the processed mixture, maintaining the treated mixture at a temperature close to the boiling temperature of the solvent used for impregnation of from 1 min to 20 h and the removal of excess solvent or solution in a vacuum of 1 to 100 kPa and the calcination of the catalyst for the decomposition of organic groups or the formation of spinel structures in the carrier at a temperature of from 400 to 800With over a period of time from 1 min to 4 h to obtain the modified novastore and/or neutral aqueous solution, than the untreated catalyst carrier, and the modifying component is in the particles of the modified catalyst carrier on their surface and chemically linked to the surface of the particles, while in the case where the modifying component contains Co or Zr, the temperature of calcination is in the range from 600 to 800C.

9. The method according to p. 8, characterized in that the modifying component precursor is a precursor of silicon, while the untreated catalyst carrier is Al2About3and predecessor take in such quantities that the silicon content in the resulting protected modified catalyst carrier is at least 0,06 Si atoms/nm2raw or fresh media.

10. The method according to p. 9, characterized in that the raw media are dried by spray drying of Al2About3and the predecessor is taken in such quantities that the silicon content in the resulting protected modified catalyst carrier was not more than 2.8 Si atoms/nm2fresh catalyst carrier.

11. The method according to p. 8, characterized in that as predestin what omentum is cobalt.

12. The method according to p. 8, characterized in that the modifying component precursor used circinelloides connection, with the modifying component is zirconium.

13. The method of preparation of the catalyst, which consists in mixing the protected modified catalyst carrier obtained by the method according to p. 1 or 8, with an aqueous solution of the active catalyst component or its precursor, with formation of a suspension and impregnation protected modified catalyst carrier active catalyst component or its precursor with the formation of the catalyst.

14. The method according to p. 13, characterized in that the precursor of the active component of the catalyst is cobalt nitrate, the active component of the catalyst inside and on the surface of the catalyst is cobalt.

15. The method according to p. 14, characterized in that the mixture of the protected modified catalyst carrier and an aqueous solution of the active catalyst component or its precursor and impregnation include maintaining the slurry catalyst carrier or substrate, water and the active component of the catalyst under reduced pressure, drying the resulting propeta the m catalyst in unrestored form and washing unrestored catalyst with water.

16. The method according to p. 14, characterized in that the carrier is Al2About3while implementing the two-stage suspension impregnation with cobalt and calcination of the precursor of the active component of the catalyst, in which the first stage (1,82 Hu) kg(NO3)26N2Oh, where x is calculated by the method of B. E. T. pore volume of the alumina, ml/g, and y denotes the total weight of the impregnated carrier, kg, dissolved in sufficient distilled water to the final volume of the solution was much higher than Hu, this solution is heated to a temperature of from 60 to 95With; to this solution add the total quantity in kg, of the medium at atmospheric pressure and stirring the mixture; when gradually increasing vacuum, constant stirring and at a temperature between 60 and 95With loss on ignition (P. PP) content of the suspension is reduced for 3 hours or more, from >(to 136.4 x)/(1+1,86 x) wt.% to a state of constant moisture content, loss on ignition (P. PP) is defined as wt.% from loss observed in full annealing or complete decomposition to Co3About4/Al2About3in a state of constant plaguemaster below 60With; when you reach a state of permanent capacity vacuum drying is carried out in a continuous manner under the following conditions; temperature >60With, but not above 95C and a vacuum of <20 kPa, vacuum drying under these conditions lead to until they reach a size P. p. P. <90% of the P. p. P. at a constant ratio, then direct calcination of this dried material at 200-300With, then in the second stage, considering that the B. E. T. - pore volume of the material of the first stage equal to xml/g, and thatkg, this material should be impregnated for the second time, maximum (1,82 x) kg(NO3)26N2Oh, where x' denotes the B. E. T. pore volume of the calcined material of the first stage, ml/g, anddenotes the total mass is subjected to impregnation of the calcined material of the first stage, kg, used in this second impregnation stage, and it is dissolved in enough distilled water so that the final volume of the solution was >h I' l; this solution is heated to a temperature between 60 and 95With; to the/img.russianpatents.com/chr/697.gif">kg, the calcined material of the first stage; with a gradual increase in vacuum, constant stirring and at a temperature of 60-95With P. p. P. content of the suspension is reduced from 3 hours or more to a state of permanent capacity; at the stage of permanent capacity include vacuum <20 kPa while simultaneously guarantee that the temperature will not fall under stirring below 60C; on reaching the stage of permanent capacity vacuum drying is carried out in continuous mode in the conditions: the temperature of >60With, but not above 95C and a vacuum of <20 kPa, vacuum drying in these specific conditions leading up until P. p. P. reaches a value of <90% of the P. p. P. at constant capacity; then direct calcination of this dried material at 200-300C.

17. The method according to p. 16, characterized in that in one or both stages of the suspension impregnation with cobalt added water-soluble salt precursor of Pt or Pd, as an additive capable of increasing the regenerative capacity of the active component, and the mass ratio of this additives

 

Same patents:

The invention relates to a method of separation of olefins from saturated hydrocarbons, and more specifically to a method of separation of olefins from saturated hydrocarbons in the stream of the Fischer-Tropsch (FT)

The invention relates to the production of hydrocarbons

The invention relates to catalysts and methods for producing hydrocarbons and their oxygen-containing derivatives of a mixture of CO and hydrogen (synthesis gas)

The invention relates to the production of catalytic compositions for the Fischer-Tropsch synthesis

The invention relates to a method for producing long-chain paraffins C10-C25and chemical products from CO and H2

The invention relates to a method of manufacturing a synthesis gas, intended for use in the synthesis of gasoline, methanol or dimethyl ether

The invention relates to the field of petrochemical, refining, or rather to the catalysts used in the refining

The invention relates to catalysts for the selective decomposition of N2About in a mixture of nitrous gases

The invention relates to the industrial catalyst, its acquisition and its use, especially for the production of 1,2-dichloroethane (EDC) oxychloination of ethylene in the reactor with a fluidized bed or in a reactor with a fixed layer

The invention relates to the hydrogenation refining processes, in particular to catalysts and processes hydrofining petroleum fractions, including oil fractions

The invention relates to methods of producing a catalyst containing metallic palladium and gold, to obtain a vinyl acetate by reaction of ethylene, oxygen and acetic acid, and a process for the production of vinyl acetate using the obtained catalyst

The invention relates to a catalyst carrier, comprising a fibrous paper, impregnated with a slurry containing a colloidal solution of silicon dioxide, microfiber and a filler which includes the microfiber has an equivalent average particle size, measured by the method of sedigraph, from about 200 to about 30000 nm and the filler has an average equivalent particle size, measured by the method of sedigraph, from about 300 to about 10000 nm

The invention relates to a copper catalysts
Up!