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Removal of Anionic Surfactants in Wastewater by Membrane Bioreactor
Author(s): 
Pages: 102-105
Year: Issue:  9
Journal: ENVIRONMENTAL SCIENCE AND MANAGEMENT

Keyword:  阴离子表面活性剂膜生物反应器生物降解;
Abstract: 阴离子表面活性剂是环境中分布广泛且具有代表性的一类有机污染物.采用分置式膜生物反应器(MBR)进行去除模拟废水中阴离子表面活性荆(LAS)的实验,结果表明:MBR对阴离子表面活性荆的去除率高于90%.同时考察了阴离子表面活性荆生物降解的影响因素,确定其适宜降解条件为:气体流量为0.3m3/h、活性污泥浓度为6948mg/L.初步探讨了降解动力学和降解机理,研究表明对阴离子表面活性剂的去除符合拟一级反应动力学过程,且生物降解对其去除起主要作用.
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