Effect of Dispersants on Bio-degradation of Marine Spilled Oil

被引：3
|
作者：
Zhang, Shaojun [1 ,2 ]
Wu, Wanqing [1 ]
Zheng, Qinggong [1 ]
Wang, Mingyu [2 ]
机构：
[1] Dalian Maritime Univ, Marine Engn Coll, Dalian 116026, Peoples R China
[2] Shandong Jiaotong Univ, Coll Naval Architecture & Marine Engn, Weihai 264310, Peoples R China
来源：
JOURNAL OF COASTAL RESEARCH | 2018年
基金：
中国国家自然科学基金;
关键词：
Dispersants; marine spilled oil; bio-degradation; SYSTEM;
D O I：
10.2112/SI83-060.1
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Light crude oil and heavy crude oil are selected to stimulate spilled oil pollution, mixed ratio of nonionic surfactant agent in dispersants of spilled oil is designed to determine the formula of efficient low temperature environment-friendly dispersant and the suitable application conditions, the effect of dispersant dosage, water salinity and temperature on the emulsification rate of spilled oil. Enriched oil degrading mixed bacteria is selected as the bio-degradation bacteria. Effect of dispersant dosage on bio-degradation of crude oil and influence of adding nutrient salts on bio-degradation of crude oil after emulsification of dispersants are studied by batch shaking experiment. Experimental results show that adding proportional dispersants is beneficial to the growth and propagation of microorganisms and the degradation of crude oil. The addition of nutrient salts can also significantly improve the bio-degradation rate of dispersants after emulsification of dispersants.
引用
收藏
页码：364 / 368
页数：5
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