Removal of dibenzothiophene in diesel oil by oxidation over a promoted activated carbon catalyst

被引：20

作者：

Zhou, X. L. ^{[1
]}

Tan, Q. ^{[1
]}

Yu, G. X. ^{[2
]}

Chen, L. F.

Wang, J. A. ^{[3
]}

Novaro, O. ^{[4
]}

机构：

[1] E China Univ Sci & Technol, Sch Chem Engn, Shanghai 200237, Peoples R China

[2] Jianghan Univ, Sch Chem & Environm Engn, Wuhan 430056, Peoples R China

[3] Inst Politecn Nacl, ESIQIE, Lab Catalisis & Mat, Mexico City 07738, DF, Mexico

[4] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico

来源：

KINETICS AND CATALYSIS | 2009年 / 50卷 / 04期

关键词：

WET AIR OXIDATION; HYDROGEN-PEROXIDE; SELECTIVE OXIDATION; SULFUR-COMPOUNDS; ORGANIC SULFUR; FUEL-OIL; DESULFURIZATION; DECOMPOSITION; RADICALS; H2O2;

D O I：

10.1134/S0023158409040119

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 ; 081704 ;

摘要：

Oxidative removal of dibenzothiophene (DBT) in n-octane solution by H2O2 on a promoted activated carbon (AC) catalyst was studied. DBT adsorption and catalytic behaviors on AC were examined. Effects of pH in aqueous phase, amounts of AC and formic acid (HCOOH) for promotion as well as initial molar H2O2/S ratio were investigated. Experimental results led to conclusion that DBT was readily oxidized by H2O2 over an AC catalyst promoted by HCOOH. Suitable amount of AC can improve the activity of H2O2 resulting in a deeper extent of sulfur removal. A 100% conversion of DBT in an octane solution by H2O2 oxidation was attained on the HCOOH-H2O2/AC catalyst at 80A degrees C for a reaction time of 30 min.

引用

页码：543 / 549

页数：7

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