Gas-phase dehydrochlorination of 1, 1, 2, 2-tetrachloroethane over the non-metal supported ionic liquid catalyst

doi:10.1016/j.cjche.2020.03.011

中国化学工程学报 ›› 2020, Vol. 28 ›› Issue (6): 1623-1627.DOI: 10.1016/j.cjche.2020.03.011

• Catalysis, Kinetics and Reaction Engineering • 上一篇下一篇

Gas-phase dehydrochlorination of 1, 1, 2, 2-tetrachloroethane over the non-metal supported ionic liquid catalyst

Pengze Zhang¹, Yangzhen Jin¹, Zhaobin Jiang¹, Guanqun Xie², Qunfeng Zhang¹, Xiaonian Li¹

1 Institute of Industrial Catalysis, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China;
2 School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, China

收稿日期:2019-10-31 修回日期:2020-03-09 出版日期:2020-06-28 发布日期:2020-07-29
通讯作者: Qunfeng Zhang, Xiaonian Li
基金资助:
This work was financed by the National Natural Science Foundation of China (NSFC-21476207, 91534114, 21776256).

Gas-phase dehydrochlorination of 1, 1, 2, 2-tetrachloroethane over the non-metal supported ionic liquid catalyst

Pengze Zhang¹, Yangzhen Jin¹, Zhaobin Jiang¹, Guanqun Xie², Qunfeng Zhang¹, Xiaonian Li¹

1 Institute of Industrial Catalysis, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China;
2 School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, China

Received:2019-10-31 Revised:2020-03-09 Online:2020-06-28 Published:2020-07-29
Contact: Qunfeng Zhang, Xiaonian Li
Supported by:
This work was financed by the National Natural Science Foundation of China (NSFC-21476207, 91534114, 21776256).

摘要/Abstract

摘要： Developing of non-metallic catalyst to replace metal catalyst is a meaningful and challenging direction. In this work, the non-metallic catalyst was synthetized successfully by loading ionic liquid onto the silica surface, which was applied for the gas-phase dehydrochlorination of 1, 1, 2, 2-tetrachloroethane. The 12%TPPC/SiO₂ (wt%) showed the best results with the conversion of 1, 1, 2, 2-tetrachloroethane reaching 100%. The selectivity of 1, 1, 2-trichloroethylene was 100%, and no deactivation was found during the evaluation period. The catalytic mechanism was investigated and possible reaction route was given, which was a reference for fabricating and design of solid base catalyst.

关键词: Dehydrochlorination catalyst, Supported ionic liquids, Gas-phase catalysis, Base catalysis

Abstract: Developing of non-metallic catalyst to replace metal catalyst is a meaningful and challenging direction. In this work, the non-metallic catalyst was synthetized successfully by loading ionic liquid onto the silica surface, which was applied for the gas-phase dehydrochlorination of 1, 1, 2, 2-tetrachloroethane. The 12%TPPC/SiO₂ (wt%) showed the best results with the conversion of 1, 1, 2, 2-tetrachloroethane reaching 100%. The selectivity of 1, 1, 2-trichloroethylene was 100%, and no deactivation was found during the evaluation period. The catalytic mechanism was investigated and possible reaction route was given, which was a reference for fabricating and design of solid base catalyst.

Key words: Dehydrochlorination catalyst, Supported ionic liquids, Gas-phase catalysis, Base catalysis

Pengze Zhang, Yangzhen Jin, Zhaobin Jiang, Guanqun Xie, Qunfeng Zhang, Xiaonian Li. Gas-phase dehydrochlorination of 1, 1, 2, 2-tetrachloroethane over the non-metal supported ionic liquid catalyst[J]. 中国化学工程学报, 2020, 28(6): 1623-1627.

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Gas-phase dehydrochlorination of 1, 1, 2, 2-tetrachloroethane over the non-metal supported ionic liquid catalyst

Gas-phase dehydrochlorination of 1, 1, 2, 2-tetrachloroethane over the non-metal supported ionic liquid catalyst

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