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A laboratory study of biodegradation and adsorption and desorption of trichloroethylene to mixed bacteria
Author(s): 
Pages: 47-51
Year: Issue:  1
Journal: HYDROGEOLOGY AND ENGINEERING GEOLOGY

Keyword:  TCE混合菌种吸附解吸弗兰德里希(Freundlich)等温方程;
Abstract: 由于氯代有机溶剂的大量使用和不合理的处置,致使三氯乙烯(以下简称TCE)成为地下水中常见的有机污染物.本实验以TCE为靶污染物,采用批试验方法,研究了灭菌后的混合菌种对不同浓度TCE的吸附影响.实验结果表明:当TCE浓度在10~200mg/l范围内,TCE的吸附模式符合Cs=0.17976C2.3639e等温方程;TCE的解吸模式符合C=0.02987C2.1461e等温方程;吸附在15min内平衡;解吸在1h内平衡.
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