Dibenzothiophene in crude oils: Products from the photochemical degradation

被引：10

作者：

Bobinger, S ^{[1
]}

Traulsen, F ^{[1
]}

Andersson, JT ^{[1
]}

机构：

[1] Univ Munster, Dept Analyt Chem, D-48149 Munster, Germany

来源：

POLYCYCLIC AROMATIC COMPOUNDS | 1999年 / 14卷

关键词：

PASH; dibenzothiophene; photochemistry; degradation; products; crude oil;

D O I：

10.1080/10406639908019131

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The photochemical degradation of dibenzothiophene in aqueous solution was studied to elucidate the fate of crude oil components after an oil spill, The major reaction pathway is based on the oxidation of a benzo ring to form benzothiophene-2,3-dicarboxylic acid and ultimately, after opening of the thiophene ring, 5-sulfobenzoic acid as the stable photolysis product, Opening of both benzo rings also occurs in which case thiophenedi-, -tri- and -tetracarboxylic acids are formed. One minor reaction pathway leads to the sulfone by oxidation of the sulfur atom, The products were identified through gas chromatography-mass spectrometry and comparison with reference compounds.

引用

页码：253 / 263

页数：11

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