Catalytic performance of graphene oxide composite metal catalyst in dimethyl carbonate synthesis

SONG Yucong; DING Xiaoshu; YAN Yahui; WANG Shufang; WANG Yanji

doi:10.11949/j.issn.0438-1157.20181455

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Catalytic performance of graphene oxide composite metal catalyst in dimethyl carbonate synthesis

Catalysis\, kinetics and reactors | 更新时间：2026-07-24

- Catalytic performance of graphene oxide composite metal catalyst in dimethyl carbonate synthesis
- CIESC Journal Vol. 70, Issue 4, Pages: 1401-1408(2019)
- 作者机构：
  
  1.河北工业大学化工学院，绿色化工和高效节能河北省重点实验室，天津 300130
  2.中国船舶重工集团公司第七一八研究所，河北邯郸 056027
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20181455
  CLC： O 643.32;TQ 225.5
- Received：05 December 2018，
  
  Revised：2019-01-24，
  
  Online First：15 June 2020，
  
  Published：12 April 2019
- 稿件说明：
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宋宇淙, 丁晓墅, 闫亚辉, 王淑芳, 王延吉. 氧化石墨烯复合金属催化剂催化碳酸二甲酯合成反应性能[J]. 化工学报, 2019, 70(4): 1401-1408

SONG Yucong, DING Xiaoshu, YAN Yahui, WANG Shufang, WANG Yanji. Catalytic performance of graphene oxide composite metal catalyst in dimethyl carbonate synthesis[J]. CIESC Journal, 2019, 70(4): 1401-1408
宋宇淙, 丁晓墅, 闫亚辉, 王淑芳, 王延吉. 氧化石墨烯复合金属催化剂催化碳酸二甲酯合成反应性能[J]. 化工学报, 2019, 70(4): 1401-1408 DOI： 10.11949/j.issn.0438-1157.20181455.

SONG Yucong, DING Xiaoshu, YAN Yahui, WANG Shufang, WANG Yanji. Catalytic performance of graphene oxide composite metal catalyst in dimethyl carbonate synthesis[J]. CIESC Journal, 2019, 70(4): 1401-1408 DOI： 10.11949/j.issn.0438-1157.20181455.

摘要

针对甲醇气相氧化羰基化直接合成碳酸二甲酯（DMC）反应中催化剂活性低和稳定性差的

问题，制备了一系列氧化石墨烯复合金属催化剂，并对其进行活性评价。结果表明：催化剂PdCl

-CuCl

-KOAc/AC@GO-HCl表现出最佳的催化活性和稳定性：DMC的空时收率（STY）为800~900 g·(L cat)

-1

·h

-1

，且反应16 h内活性无明显下降；甲醇选择性保持在95%以上，CO选择性为35%~40%。结合XRD和XPS表征发现，活性物种Cu

Cl(OH)

的生成，提高了催化剂催化活性，而CuO和KCl均可导致催化剂的失活。

Abstract

A series of graphene oxide composite metal catalysts were prepared and evaluated for their activity in the direct synthesis of dimethyl carbonate (DMC) by methanol vapor phase oxidative carbonylation. The results show that the catalyst PdCl

-CuCl

-KOAc/AC@GO-HCl has the best catalytic activity and stability. The space time yield (STY) of DMC was between 800－900 g·(L cat)

-1

·h

-1

and the catalytic activity was stable in 16 h without significant decrease. Methanol selectivity was maintained above 95%

and CO selectivity was between 35%－40%. Combined with results of XRD and XPS analyses

it was found that the formation of the active species Cu

Cl(OH)

improved the catalytic activity of the catalyst

while both CuO and KCl could cause the deactivation of the catalyst.

关键词

Keywords

references

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