Title:
MOLECULAR SIEVE CATALYST, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/155144
Kind Code:
A1
Abstract:
Provided are a molecular sieve catalyst, a preparation method therefor, and an application thereof. The molecular sieve catalyst contains a modified Na-MOR molecular sieve, and the modification comprises: organic ammonium salt exchange, dealumination treatment, and ammonium ion exchange. The catalyst obtained by the method is used in dimethyl ether for one-step production of methyl acetate, the methyl acetate has high activity and stable performance, and the needs of industrial production can be satisfied.
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Inventors:
LIU HONGCHAO (CN)
LIU SHIPING (CN)
ZHU WENLIANG (CN)
LIU ZHONGMIN (CN)
MA XIANGANG (CN)
LIU YONG (CN)
ZHOU ZIQIAO (CN)
NI YOUMING (CN)
LIU SHIPING (CN)
ZHU WENLIANG (CN)
LIU ZHONGMIN (CN)
MA XIANGANG (CN)
LIU YONG (CN)
ZHOU ZIQIAO (CN)
NI YOUMING (CN)
Application Number:
PCT/CN2019/074590
Publication Date:
August 06, 2020
Filing Date:
February 02, 2019
Export Citation:
Assignee:
DALIAN INST CHEM & PHYSICS CAS (CN)
International Classes:
B01J29/18; C07C67/37; C07C69/14
Domestic Patent References:
| WO2008132450A1 | 2008-11-06 |
Foreign References:
| CN103121686A | 2013-05-29 | |||
| CN103121686A | 2013-05-29 | |||
| CN101722034A | 2010-06-09 | |||
| CN101722034A | 2010-06-09 | |||
| CN101613274A | 2009-12-30 | |||
| US20180311654A1 | 2018-11-01 | |||
| US20070238897A1 | 2007-10-11 | |||
| CN102950018A | 2013-03-06 | |||
| CN101613274A | 2009-12-30 |
Other References:
See also references of EP 3919166A4
Attorney, Agent or Firm:
PERIODIC LAW FIRM (CN)
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