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)
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:
Assignee:
WUHAN KAIDI ENG TECH RES INST (CN)
International Classes:
B01J35/08; B01J29/46; C10G2/00
Foreign References:
CN105879899A | 2016-08-24 | |||
CN105080597A | 2015-11-25 | |||
US20030207752A1 | 2003-11-06 |
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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