Silver modified Cu/SiO<sub>2</sub> catalyst for the hydrogenation of methyl acetate to ethanol

Zhiheng Ren; Muhammad Naeem Younis; Hui Zhao; Chunshan Li; Xiangui Yang; Erqiang Wang; Gongying Wang

doi:10.1016/j.cjche.2020.02.011

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Silver modified Cu/SiO₂ catalyst for the hydrogenation of methyl acetate to ethanol

Catalysis, Kinetics and Reaction Engineering | Updated：2026-01-06

- Silver modified Cu/SiO₂ catalyst for the hydrogenation of methyl acetate to ethanol
- Chinese Journal of Chemical Engineering Issue 6, Pages: 1612-1622(2020)
- Affiliations：
  
  1. Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences,Chengdu,China,610041
  2. National Engineering Laboratory for VOCs Pollution Control Material & Technology, University of Chinese Academy of Sciences,Beijing,China,101408
  3. CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, The National Key Laboratory of Clean and Efficient Coking Technology, Beijing Key Laboratory of Ionic Liquids Clean Process, Institute of Process Engineering, Chinese Academy of Sciences,Beijing,China,100190
  4. Zhongke Langfang Institute of Process Engineering,Zhengzhou,China,450000
  5. School of Chemical Science, University of Chinese Academy of Sciences,Beijing,China,100049
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2020.02.011
  CLC：
- Published：2020
- Accepted：
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Zhiheng Ren, Muhammad Naeem Younis, Hui Zhao, et al. Silver modified Cu/SiO₂ catalyst for the hydrogenation of methyl acetate to ethanol[J]. Chinese Journal of Chemical Engineering, 2020, (6): 1612-1622. DOI: 10.1016/j.cjche.2020.02.011.
DOI：

Zhiheng Ren, Muhammad Naeem Younis, Hui Zhao, et al. Silver modified Cu/SiO₂ catalyst for the hydrogenation of methyl acetate to ethanol[J]. Chinese Journal of Chemical Engineering, 2020, (6): 1612-1622. DOI: 10.1016/j.cjche.2020.02.011. DOI：

摘要

Abstract

A series of silver modified Cu/SiO

catalysts were synthesized with ammonia-evaporation method and applied in vapor-phase hydrogenation of methyl acetate to ethanol. The influence of additive ‘Ag’ on the structural evolution of catalyst was systematically studied by several characterization techniques

such as N

adsorption-desorption

O titration

PXRD

FTIR

in-situ

FTIR

-TPR

-TPD

XPS and TEM. Results showed that incorporation of a small amount of Ag could enhance the structural stability

and the strong interaction between Cu and Ag species was conducive to increase the dispersion of copper species and create a suitable Cu

/(Cu

+ Cu

) ratio

which was proposed to be responsible for the improved catalytic activity. The maximum conversion of MA (94.1%) and selectivity of ethanol (91.3%) over optimized Cu-0.5Ag/SiO

and 120 h on stream without deactivation under optimal conditions demonstrates its excellent stability.

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Silver modified Cu/SiO2 catalyst for the hydrogenation of methyl acetate to ethanol

DOI：10.1016/j.cjche.2020.02.011

摘要

Abstract

关键词

Keywords

references

Silver modified Cu/SiO₂ catalyst for the hydrogenation of methyl acetate to ethanol