Effects of quinoline and indole on the hydrodesulfurization of dibenzothiophene over NiMoS/γ-Al2O3 catalyst

被引：0

作者：

Xiang, Chun-E ^{[1
]}

Chai, Yong-Ming ^{[1
,2
]}

Xing, Jin-Xian ^{[2
]}

Liu, Yun-Qi ^{[1
]}

Liu, Chen-Guang ^{[1
,2
]}

机构：

[1] Key Laboratory of Catalysis, CNPC, China University of Petroleum, Dongying 257061, China

[2] State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Dongying 257061, China

来源：

Shiyou Xuebao, Shiyou Jiagong/Acta Petrolei Sinica (Petroleum Processing Section) | 2008年 / 24卷 / 02期

关键词：

Catalysts; -; Desulfurization; Fuels; Hydrodesulfurization; Hydrogenation; Nitrogen; Pressure;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The effects of quinoline and indole on the hydrodesulfurization (HDS) reactivity and reaction routes of dibenzothiophene (DBT) were studied over NiMoS/γ-Al2O3 catalyst in a fixed-bed high pressure micro-reactor. The results showed that both quinoline and indole could inhibit the HDS reaction of DBT. They inhibited the hydrogenation route of DBT HDS strongly even at low nitrogen concentration. While the inhibition for the direct desulfurization route only could be seen when the nitrogen concentration increased. The inhibition of quinoline on DBT HDS was stronger than that of indole. The analysis of the products in hydrodenitrogenation (HDN) reaction of quinoline and indole suggested that their inhibition on DBT HDS was closely related to their original structure and the structure of intermediate products in HDN reaction.

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页码：151 / 157

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