环境工程学报2011,Vol.5Issue(4):752-756,5.
石油类污染地下水中挥发性有机物低温生物降解性能的研究
Study on bio-degradation capability of volatile organic compounds in oil polluted groundwater at low-temperatures
摘要
Abstract
To slove the problem of the groundwater pollution by oil, the paper domesticated three psychrotrophs from the soil of a contaminated site, which had high efficiency in degrading volatile organic compounds in low temperature environment. Benzene and naphthalene as the feature components, the paper investigated the influence of pH, DO, temperature, nitrogen, phosphorus and other factors on the degradation effect of the strain.The results showed that in about 8 ℃ underground environment, DO, nitrogen and phosphorus played a greater role on the degradation of pollutants. Under the conditions of pH = 7.5, DO > 4 mg/L and adding nitrogen and phosphorus, the degradation could reach 87.6% in 18 days. The highly efficient strain and the technologic parameter can be used in biospaging technology that is applied to remove volatile organic compounds from the oil polluted groundwater.关键词
地下水污染/挥发性有机物/低温菌/降解性能Key words
groundwater polluton/ volatile organic compounds/ low-temperature bacteria/ degradation performance分类
资源环境引用本文复制引用
马桂科,张力文,张凤君,周兰影..石油类污染地下水中挥发性有机物低温生物降解性能的研究[J].环境工程学报,2011,5(4):752-756,5.基金项目
国家水体污染控制与治理科技重大专项(2008ZX07207-007-04) (2008ZX07207-007-04)