Hydrocracking catalyst for Tscher-Topsch synthesis of heavy wax, its preparation method and application thereof

A technology for hydrocracking and Fischer-Tropsch synthesis, which is used in hydrocarbon oil cracking, petroleum industry, etc., can solve problems such as low activity and reduced cracking activity, and achieve high isomerization selectivity, good selectivity, and good isomerization performance. Effect

Active Publication Date: 2006-12-27
SHANXI INST OF COAL CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Gortsema F G etc. have reported in US5047139 that the Y-type molecular sieve (acid leaching) with a content of 7wt% and 50wt% SiO 2 -Al 2 o 3 , 15wt% binder mixed together to support Ni-W, the diesel production efficiency is as high as 87%. For the cracking of heavier oil components and macromolecular hydrocarbons, the micropores of zeolite limit the diffusion of macromolecules, resulting in cracking activity reduce
[0009] US4517074 patent discloses a crude oil hydrocracking catalyst to produce middle distillate oil at 150-370°C. In addition to using zeolite c

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0027] Example 1

[0028] (1) Weigh 26.0g HY molecular sieve, 13.0g SAPO-11 molecular sieve, 13.0g modified alumina, and mix it with 48.0g binder pseudo-boehmite, then use 5% dilute nitric acid solution to prepare and knead into shape After drying it in an oven at 100°C for 6 hours, calcining at 500°C for 6 hours, and cooling to room temperature, the carrier required by the present invention can be obtained.

[0029] (2) Using an aqueous solution of nickel nitrate as the immersion solution, immerse the solution of nickel nitrate on the shaped support, and evaporate the solution to dryness at 100°C. The product was dried at 100°C for 6 hours, calcined at 500°C for 6 hours and then cooled to room temperature to obtain the catalyst used in the hydrocracking process of the present invention. The mass percentage of each component is composed of: HY-type molecular sieve 24.0wt%, SAPO-11 molecular sieve is 12.0wt%, modified alumina is 12.0wt%, pseudo-boehmite is 44.0wt%, and nickel oxide...

Example Embodiment

[0032] Example 2

[0033] (1) Weigh out 13.0g HY molecular sieve, 13.0g SAPO-11 molecular sieve, 26.0g amorphous silicon-magnesium, and mix them with 48.0g binder pseudo-boehmite, then use 5% dilute nitric acid solution to prepare and knead. After drying it in an oven at 110°C for 5 hours, calcining at 550°C for 5 hours, and cooling to room temperature, the carrier required by the present invention can be obtained.

[0034] (2) Using an aqueous solution of nickel carbonate as the immersion solution, immerse the solution of nickel carbonate on the shaped support, and evaporate the solution to dryness at 110°C. The product is dried at 110°C for 5 hours, calcined at 550°C for 5 hours and then cooled to room temperature to obtain the catalyst used in the hydrocracking process of the present invention. The mass percentage of each component is composed of: HY-type molecular sieve 12.0wt%, SAPO-11 molecular sieve is 12.0% by weight, amorphous silicon-magnesium is 24.0% by weight, pseudo-...

Example Embodiment

[0037] Example 3

[0038] (1) Weigh 13.0g HY molecular sieve, 26.0g SAPO-11 molecular sieve, 13.0g amorphous silicon aluminum, and 48.0g binder pseudo-boehmite after mixing uniformly, prepare with 5% dilute nitric acid solution, knead and shape After drying it in an oven at 120°C for 4 hours, calcining at 600°C for 4 hours and cooling to room temperature, the carrier required by the present invention can be obtained.

[0039] (2) Using an aqueous solution of nickel nitrate as the immersion solution, immerse the solution of nickel nitrate on the shaped support, and evaporate the solution to dryness at 120°C. The product was dried at 120°C for 4 hours, calcined at 600°C for 4 hours and then cooled to room temperature to obtain the catalyst used in the hydrocracking process of the present invention. The mass percentage of each component is composed of: HY-type molecular sieve 12.0wt%, SAPO-11 molecular sieve is 24.0wt%, amorphous silica alumina is 12.0wt%, pseudo-boehmite is 44.0wt%,...

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PUM

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Abstract

The invention relates the hydrogenation-cracking catalyst used to synthesize heavy wax, comprising 10.0-24.0wt% HY molecular screen, 10.0-24.0wt% SAPO-11 molecular screen, 3.0-10.0wt% nickel oxide, 3.0-10.0wt% nickel oxide, 0.0-15.0wt% molybdenum oxide or tungsten oxide, 10.0-24.0wt% amorphous oxide compound and 5.0-65.0wt% diaspore. The method comprises preparing carrier and dipping active component. The catalyst has the advantages of good catalytic cracking property, high diesel selective, and good isomerization property.

Description

Technical field [0001] The invention belongs to a hydrocracking catalyst and a preparation method and application thereof, and specifically relates to a hydrocracking catalyst suitable for Fischer-Tropsch synthetic heavy wax, and a preparation method and application thereof. technical background [0002] In recent years, as the world's crude oil resources shrink and crude oil prices rise, the energy consumption structure is gradually shifting from oil-dependent to diversified from oil, coal and natural gas, making coal / natural gas indirect liquefaction technology a liquid fuel in the post-oil industry era. One of the most attractive ways. However, my country has a resource structure with more coal and less oil. Converting coal into engine fuel through F-T synthesis is one of the important ways to solve the current fuel shortage and clean and efficient use of coal resources in my country. [0003] Hydrocracking technology is an important petroleum processing method. Its products a...

Claims

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Application Information

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IPC IPC(8): C10G47/20
Inventor 任杰卢银花李永旺刘平王雪峰侯潇云
Owner SHANXI INST OF COAL CHEM CHINESE ACAD OF SCI
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