Title:
COPPER-BASED CATALYST AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/041218
Kind Code:
A1
Abstract:
The present invention relates to a copper-based catalyst and a preparation method therefor. The support of the copper-based catalyst of the present invention is not prone to loss. The catalyst has a long service life and improved catalyst stability, and can achieve a good catalytic effect. In addition, the preparation process of the copper-based catalyst of the present invention is simple. In particular, the copper-based catalyst of the present invention has the characteristics of a high DMO conversion rate and glycol selectivity, a stable reaction and a long service life in a reaction for preparing ethylene glycol by means of hydrogenation of oxalate.
Inventors:
YUAN XINGDONG (JP)
YOSHIMOTO RYOSUKE (JP)
YOSHIMOTO RYOSUKE (JP)
Application Number:
PCT/CN2020/112582
Publication Date:
March 03, 2022
Filing Date:
August 31, 2020
Export Citation:
Assignee:
HIGHCHEM CO LTD (JP)
YUAN XINGDONG (JP)
YUAN XINGDONG (JP)
International Classes:
B01J23/72; B01J21/12; C07C29/60; C07C31/20
Foreign References:
| CN102764656A | 2012-11-07 | |||
| CN103433039A | 2013-12-11 | |||
| CN108236955A | 2018-07-03 | |||
| CN110467517A | 2019-11-19 | |||
| KR20030012738A | 2003-02-12 |
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
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