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污水二级生化出水有机物(EfOM)性质表征及去除研究现状

Keywords: 污水二级生化出水有机物,分子量分布,亲水性,疏水性,污水深度处理

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Abstract:

污水二级生化出水有机物(EfOM)是污水中经初级和二级生化处理后剩余的难降解有机物,EfOM是影响二级出水排放的主要限制因素,也是污水再生及回用处理中的主要目标去除物质.本文对现有EfOM的表征方法-分子量分布、亲疏水性分离、荧光光谱等进行了分类归纳,进一步总结了现有处理方法对EfOM性质特点的影响.以臭氧为核心的氧化技术和膜滤技术发挥了深度处理效能,降低了运行成本.

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