Desulfurization of diesel via the H2O2 oxidation of aromatic sulfides to sulfones using a tungstate catalyst

被引：175

作者：

Al-Shahrani, Farhan

Xiao, Tiancun

Llewellyn, Simon A.

Barri, Sami

Jiang, Zheng

Shi, Huahong

Martinie, Gary

Green, Malcolm L. H.

机构：

[1] Univ Oxford, Inorgan Chem Lab, Oxford OX1 3QR, England

[2] Saudi Arabian Oil Co, R&DC, Dhahran 31311, Saudi Arabia

[3] Univ London Imperial Coll Sci Technol & Med, Dept Chem Engn, London SW7 2AZ, England

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 2007年 / 73卷 / 3-4期

关键词：

sulfur removal; oxidative desulfurizataion; deep removal of sulfur; sodium tungstate; hydrogen peroxide; sulfone;

D O I：

10.1016/j.apcatb.2006.12.016

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 [物理化学]; 081704 [应用化学];

摘要：

A simplified oxidative desulfurizataion (ODS) catalytic system composed of Na2WO4, 30% H2O2 and CH3CO2H has been found suitable for the deep removal of sulfur in diesel. By combining ODS and methanol extraction, the sulfur level in a commercial diesel has been reduced from 1100 ppm to 40 ppm. Treatment of model solutions of octane containing dibenzothiophene and 4,6-dimethyl dibenzothiophene with our ODS system shows 100% conversion of the thiophenes to sulfones at 70 degrees C in less than 1 h. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：311 / 316

页数：6

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