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Citation: WANG Xiao-Ning, ZHAO Zhen, XU Chun-Ming, DUAN Ai-Jun, ZHANG Li, JIANG Gui-Yuan. Research Advances in the Catalytic Cracking of C₄/C₅ Hydrocarbons to Light Olefins[J]. Chinese Journal of Applied Chemistry, ;2007, 24(11): 1225-1231. shu

Research Advances in the Catalytic Cracking of C₄/C₅ Hydrocarbons to Light Olefins

1.
China University of Petroleum, State Key Labortory of Heavy Oil Processing, Beijing 102249

Corresponding author: ZHAO Zhen,
Received Date: 28 December 2006
Available Online: 28 April 2007
Fund Project: 国家基础研究"九七三"项目(2004CB217806,2005CB221402) (2004CB217806,2005CB221402)中国石油科技创新基金项目(07-06D-01-04-04-04) (07-06D-01-04-04-04)

This review focuses on summarizing the development of catalyst types, catalytic cracking proce-ssings, influencing factors and mechanisms of the catalytic cracking of C₄/C₅ hydrocabons to light olefins. ZSM-5 Zeolite has been taken as the primary catalysts and used in C₄/C₅ hydrocabons catalytic cracking to light olefins. On the basis of ZSM-5 zeolite, the acid-modified or high-silica hydrothermally promoted ZSM-5 series, and the mesopore zeolite MCM-41 have been developed. In addition, the catalytic cracking processings of C₄/C₅ hydrocarbons have been covered. The primary factors of catalytic cracking are thought to be the components of cracking feed, the kinds of catalysts and processing conditions. The mechanism of the combination of carbonium ion with free-radical is proposed for the process of catalytic cracking. The major research futures and results on the catalytic cracking of C₄ alkanes of our research laboratory are briefly introduced.
- C₄/C₅ hydrocarbons,
- catalytic cracking,
- light olefins,
- zeolites
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Research Advances in the Catalytic Cracking of C₄/C₅ Hydrocarbons to Light Olefins