Microbial desulfurization of gasoline by free whole-cells of Rhodococcus erythropolis XP

被引：26

作者：

Yu, B ^{[1
]}

Ma, CQ ^{[1
]}

Zhou, WJ ^{[1
]}

Wang, Y ^{[1
]}

Cai, XF ^{[1
]}

Tao, F ^{[1
]}

Zhang, Q ^{[1
]}

Tong, MY ^{[1
]}

Qu, JY ^{[1
]}

Xu, P ^{[1
]}

机构：

[1] Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China

来源：

FEMS MICROBIOLOGY LETTERS | 2006年 / 258卷 / 02期

关键词：

biodesulfurization; free whole cells; model oil; gasoline;

D O I：

10.1111/j.1574-6968.2006.00227.x

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Rhodococcus erythropolis XP could grow well with condensed thiophenes, mono-thiophenic compounds and mercaptans present in gasoline. Rhodococcus erythropolis XP was also capable of efficiently degrading the condensed thiophenes in resting cell as well as biphasic reactions in which n-octane served as a model oil phase. Free whole cells of R. erythropolis XP were adopted to desulfurize fluid catalytic cracking (FCC) and straight-run (SR) gasoline oils. About 30% of the sulfur content of FCC gasoline and 85% of sulfur in SR gasoline were reduced, respectively. Gas chromatography analysis with atomic emission detection also showed depletion of sulfur compounds in SR gasoline. Rhodococcus erythropolis XP could partly resist the toxicity of gasoline and had an application potential to biodesulfurization of gasoline.

引用

页码：284 / 289

页数：6

共 25 条

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