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环境化学  2015 

DOI:10.7524/j.issn.0254-6108.2014.07.017

Keywords: 有机污染物,分子量分布,高级氧化,超滤,吸附

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Abstract:

采用超滤膜对印染废水生化出水在O3氧化、Fenton氧化、Na2S2O8氧化、活性炭（AC）吸附等深度处理过程中，有机污染物的分子量分布变化进行了测定，旨在探究污染物去除机制，为改善印染废水深度处理效率提供参考依据.研究结果表明，对于印染废水生化出水中分子量>100kDa和10-100kDa的有机物，O3氧化作用对UV254和溶解性有机碳（DOC）的去除率最高，均大于70%；对分子量区间3-10kDa和100kDa的CODCr去除效率很高，分别为75.5%、89.4%和75.1%.研究结果预示4种深度处理方法的合理组合使用可能改善印染废水深度处理效果.

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