Effect of model nitrogen containing compounds on the catalytic cracking of <em>o</em>-xylene

LI Teng; CHEN Xiao-bo; DING Xue-mei; LIANG Wei; XIN Li; LI Nan; YANG Chao-he

Volume 43 Issue 11

Nov. 2015

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Article Navigation > Journal of Fuel Chemistry and Technology > 2015 > 43(11): 1344-1349

LI Teng, CHEN Xiao-bo, DING Xue-mei, LIANG Wei, XIN Li, LI Nan, YANG Chao-he. Effect of model nitrogen containing compounds on the catalytic cracking of o-xylene[J]. Journal of Fuel Chemistry and Technology, 2015, 43(11): 1344-1349.

Citation:

LI Teng, CHEN Xiao-bo, DING Xue-mei, LIANG Wei, XIN Li, LI Nan, YANG Chao-he. Effect of model nitrogen containing compounds on the catalytic cracking of o-xylene[J]. Journal of Fuel Chemistry and Technology, 2015, 43(11): 1344-1349.

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Effect of model nitrogen containing compounds on the catalytic cracking of o-xylene

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

Funds: The project was supported by the National Natural Science Foundation of China (21476263)and the National Natural Science Foudation of China General Program (21206198).

Received Date: 2015-04-11
Rev Recd Date: 2015-06-29
Publish Date: 2015-11-30

Abstract

Abstract

The effects of different model nitrogen containing compounds on the catalytic cracking of o-xylene were investigated in a fixed bed. The adding amount of N element was 4000μg/g and the active component of the catalyst was USY zeolite. The results indicated that the conversion of o-xylene is reduced by adding pyridine or quinoline. On one hand, the increase in coke yield after adding acridine is related with its adsorption on catalysts. On the other hand, acridine induces o-xylene to produce more coke and hydrogen, promoting the hydrogenation and opening reactions of aromatic rings. Compared with the blank test, the conversion of o-xylene is improved slightly by adding acridine, and both the yield of dry gas and the yield of LPG increase greatly.
- model nitrogen compounds,
- o-xylene,
- catalytic cracking reaction,
- coke

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References(24)

References

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