Frontiers of Chemical Science and Engineering >

2011 , Vol. 5 >Issue 3: 287 - 296

DOI: https://doi.org/10.1007/s11705-010-0529-2

REVIEW ARTICLE

Development and application of ex-situ presulfurization technology for hydrotreating catalysts in China

  • Yulan GAO , 1,2 ,
  • Xiangchen FANG 1,2 ,
  • Zhenmin CHENG 1
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  • 1. School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
  • 2. Fushun Research Institute of Petroleum and Petrochemicals, SINOPEC, Fushun 113001, China

Received date: 24 Jan 2011

Accepted date: 26 Apr 2011

Published date: 05 Sep 2011

Copyright

2014 Higher Education Press and Springer-Verlag Berlin Heidelberg
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Abstract

The development and application of ex-situ presulfurization (EPRES) technology for hydrotreating catalysts has been reviewed in the present article. The studies in laboratory scale and commercial practice indicated that the adoption of the EPRES catalyst in industrial application can significantly enhance the degree of presulfurization of metal oxide components, shorten the start-up period, and effectively reduce the environmental impact as well as the danger of start-up procedure in industrial hydrotreating unit. This catalyst has been proved to be versatile for different types of hydrogenation reactions. Different types of active site models are also discussed for better understanding the nature of presulfurized catalysts.

Key words： ex-situ presulfurization; in situ presulfurization; hydrotreating catalyst; hydrotreating catalyst; sulfur utilization ratio

Cite this article

Yulan GAO , Xiangchen FANG , Zhenmin CHENG . Development and application of ex-situ presulfurization technology for hydrotreating catalysts in China[J]. Frontiers of Chemical Science and Engineering, 2011 , 5(3) : 287 -296 . DOI: 10.1007/s11705-010-0529-2

Acknowledgements

We are grateful for the help of the colleagues in the present study: Minghua Guan, Jifeng Wang, Gang Wang, Fenglan Cao, Chonghui Li, Guang Chen, Liming Xu, Fengxiang Ling, Xiwen Zhang, Jihua Liu, Yang Li, Zhen Wang, Guangwei Cao, Xingwei Qi, Shunxin Li, Lijing Jiang, Zhaoming Han, Huimin Qi, Zhongying Zhang, and Bingbing Guo.

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