Citation: GUO Ai-jun, ZHENG Wen-lin, JIAO Shou-hui, CHEN Kun, LIU He, WANG Zong-xian, WANG Zi-hao. Study on olefin distribution of catalytic cracking slurry[J]. Journal of Fuel Chemistry and Technology, ;2018, 46(4): 413-418. shu

Study on olefin distribution of catalytic cracking slurry

State Key Laboratory of Heavy Oil, College of Chemical Engineering, China University of Petroleum(East China), Qingdao 266580, China

Corresponding author: GUO Ai-jun, ajguo@upc.edu.cn
Received Date: 19 December 2017
Revised Date: 1 February 2018

Fund Project: the National Natural Science Foundation of China 21776313The project was supported by the National Natural Science Foundation of China (21776313), the Provincial Key Research and Development Plan of Shandong (2017GGX70108) and the State Key Laboratory of Heavy Oil Processing (SLKZZ-2017011)the State Key Laboratory of Heavy Oil Processing SLKZZ-2017011the Provincial Key Research and Development Plan of Shandong 2017GGX70108

Figures(6)

The content of conjugated olefins (double bonds) and olefins (double bonds) in four fractions and five fractions of a FCC slurry was determined by the diene number and bromine number analysis method. UV and ¹H-NMR were used to characterize and determine the type and content of olefins in the four fractions and five fractions. The results confirm that the olefin (double bond) and conjugated olefin (double bond) exist in FCC slurry, the contents of olefin (double bond) and conjugated olefin (double bond) are as high as 21% and 6%, the content of conjugated olefin (double bond) in the four components increased in turn, the content of conjugated olefin (double bond) in the five fractions was about 5%, and the content of olefin (double bond) in four components and five fractions all showed a trend of decreasing first and then increasing. At the same time, there are also differences in the content of normal alpha-olefins and internal olefins between different components and different fractions.
- FCC slurry,
- diene value,
- bromine number,
- ¹H-NMR,
- olefin type and distribution
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