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Title:
MULTI-LEVEL CHANNEL-TYPE COBALT-BASED FISCHER-TROPSCH SYNTHETIC CATALYST WITH CORE-SHELL STRUCTURE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/185927
Kind Code:
A1
Abstract:
Provided are a multi-level channel-type cobalt-based Fischer-Tropsch synthetic catalyst with a core-shell structure and a preparation method therefor. The catalyst comprises a catalyst carrier S, a metal active component Co loaded on the catalyst carrier S and a shell layer molecular sieve membrane M which wraps the surface of the catalyst carrier S, wherein the catalyst carrier S is one of or a mixture of two of SiO2 and Al2O3 in any proportion, the microstructure morphology of SiO2 and Al2O3 is spherical, the specific surface area thereof is 160-290 m2/g, and the average particle size ranges between 10 and 50 meshes; the shell layer molecular sieve membrane M is a cluster aggregate of uniformly dispersed H-ZSM-5 nanoparticles, the particle size of the H-ZSM-5 nanoparticles ranges between 10-30 nm, the micropore aperture thereof is less than or equal to 2.0 nm, and the gap between adjacent H-ZSM-5 nanoparticles is less than or equal to 100 nm; and the loading amount of the metal active component Co accounts for 10-30% of the sum of the weights of the catalyst carrier S and the metal active component Co. The shell layer of the Fischer-Tropsch synthetic catalyst has a multi-level channel and a high catalytic efficiency. Meanwhile, the preparation method is simple in process and low in energy consumption.

Inventors:
HAI GUOLIANG (CN)
SONG DECHEN (CN)
LI CHANGYUAN (CN)
LIU QIANQIAN (CN)
RAO SHASHA (CN)
ZHAN XIAODONG (CN)
Application Number:
PCT/CN2017/078020
Publication Date:
November 02, 2017
Filing Date:
March 24, 2017
Export Citation:
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Assignee:
WUHAN KAIDI ENG TECH RES INST (CN)
International Classes:
B01J35/08; B01J29/46; C10G2/00
Foreign References:
CN105879899A2016-08-24
CN105080597A2015-11-25
US20030207752A12003-11-06
Other References:
YANG, GUOHUI ET AL.: "Preparation, Characterization and Reaction Performance of H-ZSM-5/cobalt/silica Capsule Catalysts with Different Sizes for Direct Synthesis of Isoparaffins", APPLIED CATALYSIS A: GENERAL, vol. 329, 29 June 2007 (2007-06-29), pages 99 - 105, XP022200016
Attorney, Agent or Firm:
WUHAN KAIYUAN INTELLECTUAL PROPERTY AGENT LTD. (CN)
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