Oxidative Desulfurization of Thiophene over Modified Alumina Loading Oxide

Acta Chimica Sinica ›› 2007, Vol. 65 ›› Issue (16): 1718-1722. Previous Articles Next Articles

Original Articles

改性氧化铝负载氧化物催化氧化噻吩的脱硫研究

陈兰菊¹,2, 赵地顺*^,2, 郭绍辉¹

(¹石油大学(北京)重质油加工国家重点实验室北京 102249)
(²河北科技大学化学与制药工程学院石家庄 050018)

投稿日期:2006-09-21 修回日期:2007-04-25 发布日期:2007-08-28
通讯作者: 赵地顺

Oxidative Desulfurization of Thiophene over Modified Alumina Loading Oxide

CHEN Lan-Ju¹,2; ZHAO Di-Shun*^,2; GUO Shao-Hui¹

(¹State Key Laboratory of Heavy Oil Processing, University of Petroleum, Beijing 102249)
(²College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018)

Received:2006-09-21 Revised:2007-04-25 Published:2007-08-28
Contact: ZHAO Di-Shun

Abstract

Oxidative desulfurization of thiophene in n-heptane solution was conducted with hydrogen peroxide (H₂O₂) and formic acid over a catalyst of acid modified alumina loading copper oxide. The effects of modifying acidity, the oxidizing system, reaction temperature as well as the addition of olefin and aromatics were investigated in details. The reaction mechanism of the oxidative desulfurization of thiophene was preliminarily researched. The results showed that acid modified alumina loading copper oxide was a very active catalyst for the oxidation of thiophene. In H₂O₂/HCOOH system, the conversion of thiophene was higher than those of other oxidizing systems. The sulfur removal rate of thiophene was enhanced with increasing temperature and reduced with the addition of olefin and aromatics.

Key words: oxidative desulfurization, thiophene, denatured alumina

Cite this article

CHEN Lan-Ju^1,2; ZHAO Di-Shun*^,2; GUO Shao-Hui. Oxidative Desulfurization of Thiophene over Modified Alumina Loading Oxide[J]. Acta Chimica Sinica, 2007, 65(16): 1718-1722.

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改性氧化铝负载氧化物催化氧化噻吩的脱硫研究

Oxidative Desulfurization of Thiophene over Modified Alumina Loading Oxide

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