Citation: Jibin Zhou, Jianping Zhao, Jinling Zhang, Tao Zhang, Mao Ye, Zhongmin Liu. Regeneration of catalysts deactivated by coke deposition: A review[J]. Chinese Journal of Catalysis, ;2020, 41(7): 1048-1061. doi: 10.1016/S1872-2067(20)63552-5 shu

Regeneration of catalysts deactivated by coke deposition: A review

Jibin Zhou ^a,b, ,
Jianping Zhao ^a,b ,
Jinling Zhang ^a ,
Tao Zhang ^a ,
Mao Ye ^a ,
Zhongmin Liu ^a

a National Engineering Laboratory for Methanol to Olefins, Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;
b University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 30 September 2019

Fund Project: This work was supported by the National Natural Science Foundation of China (91834302).

In industrial catalytic processes, coke deposition can cause catalyst deactivation by covering acid sites and/or blocking pores. The regeneration of deactivated catalysts, thereby removing the coke and simultaneously restoring the catalytic activity, is highly desired. Despite various chemical reactions and methods are available to remove coke, developing reliable, efficient, and economic regeneration methods for catalytic processes still remains a challenge in industrial practice. In this paper, the current progress of regeneration methods such as oxidation (air, ozone and oxynitride), gasification (carbon dioxide and water steam), and hydrogenation (hydrogen) is reviewed, which hopefully can shed some light on the design and optimization of catalysts and the related processes.
- Catalyst,
- Coke,
- Deactivation,
- Regeneration,
- Oxidation,
- Gasification,
- Hydrogenation
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