Title:
METHOD FOR PREPARING PARAXYLENE DIRECTLY FROM SYNTHESIS GAS AND TOLUENE
Document Type and Number:
WIPO Patent Application WO/2019/095987
Kind Code:
A1
Abstract:
Disclosed is a method for preparing paraxylene directly from a synthesis gas and toluene. The method comprises: allowing a raw material comprising a synthesis gas and toluene to come into contact with a catalyst in a reaction area in reaction conditions sufficient for converting at least a portion of the raw material so as to produce a reaction effluent comprising paraxylene; separating paraxylene from the reaction effluent, where the catalyst comprises an inert carrier-confined highly dispersed metal oxide material, an acidic zeolite, and optionally at least one of graphite powder and a dispersant, and in the inert carrier-confined highly dispersed metal oxide material, the inert carrier is at least one of silicon oxide and aluminum oxide, the content of the metal oxide in terms of the metal is less than or equal to 10 mass%, calculated on the basis of the weight of the inert carrier-confined highly dispersed metal oxide material, and, the acidic zeolite is selected from a modified acidic ZSM-5 zeolite, a modified acidic ZSM-11 zeolite, and a mixture of them.
Inventors:
NI YOUMING (CN)
ZHU WENLIANG (CN)
LIU ZHONGMIN (CN)
LIU YONG (CN)
CHEN ZHIYANG (CN)
LIU HONGCHAO (CN)
MA XIANGANG (CN)
LIU SHIPING (CN)
ZHU WENLIANG (CN)
LIU ZHONGMIN (CN)
LIU YONG (CN)
CHEN ZHIYANG (CN)
LIU HONGCHAO (CN)
MA XIANGANG (CN)
LIU SHIPING (CN)
Application Number:
PCT/CN2018/112425
Publication Date:
May 23, 2019
Filing Date:
October 29, 2018
Export Citation:
Assignee:
DALIAN INST CHEM & PHYSICS CAS (CN)
International Classes:
C07C15/08; B01J29/40; B01J29/44; B01J29/46; B01J29/48; C07C2/86
Foreign References:
| US4487984A | 1984-12-11 | |||
| US20080033067A1 | 2008-02-07 |
Other References:
SEULAH LEE: "An in situ Methylation of Toluene Using Syngas over Bifunctional Mixture of Cr2O3 /ZnO and HZSM-5", APPLIED CATALYSIS A: GENERAL, vol. 466, 28 June 2013 (2013-06-28), pages 90 - 97, XP028695522, ISSN: 0926-860X
KANG CHENG: "Bifunctional Catalysts for One-Step Conversion of Syngas into Aromatics with Excellent Selectivity and Stability", CHEM, vol. 3, no. 2, 10 August 2017 (2017-08-10), pages 334 - 347, XP055610213, ISSN: 2451-9294
KANG CHENG: "Bifunctional Catalysts for One-Step Conversion of Syngas into Aromatics with Excellent Selectivity and Stability", CHEM, vol. 3, no. 2, 10 August 2017 (2017-08-10), pages 334 - 347, XP055610213, ISSN: 2451-9294
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
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