Fate of crude oil by the combination of photooxidation and biodegradation

被引：134

作者：

Dutta, TK ^{[1
]}

Harayama, S ^{[1
]}

机构：

[1] Marine Biotechnol Inst, Kamaishi, Iwate 0260001, Japan

来源：

ENVIRONMENTAL SCIENCE & TECHNOLOGY | 2000年 / 34卷 / 08期

关键词：

D O I：

10.1021/es991063o

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Photooxidation and biodegradation are the two most important factors involved in the transformation of crude oil or its products that are released into a marine environment. Natural microbial populations in seawater biodegraded 28% of crude oil within 8 weeks at 20 degrees C when sufficient nutrients we re su pp lied to the seawater. Photooxidation mainly affected the aromatic compounds in crude oil and converted them to polar species. This treatment increased the amount of crude-oil components susceptible to biodegradation, and 36% of photooxidized crude oil could be degraded in 8 weeks at 20 degrees C. It is concluded that the susceptibility of crude oil to biodegradation is increased by its photooxidation.

引用

页码：1500 / 1505

页数：6

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