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Optimization of Domestic Waste Leachate Combined Treatment Process with Oxidant and Coagulant by Using Response Surface Methodology
Author(s): 
Pages: 12-15
Year: Issue:  6
Journal: Environmental Sanitation Engineering

Keyword:  渗沥液响应面法氧化剂混凝剂联合作用;
Abstract: 以渗沥液生物尾水为研究对象,利用色谱-质谱联机(GC-MS)检测其中有机物种类,考察在预氧化+絮凝的联合作用下,渗沥液中难降解有机物的去除效果.结果表明:渗沥液生物尾水中的主要有机物为芳香烃、酚类、环境激素类和遗传毒性类等有机污染物.在单因素实验的基础上,用响应面分析法设计和优化高锰酸钾和三氯化铁联合处理过程,优化结果为pH 5.8、三氯化铁投加量900 mg/L、高锰酸钾投加量490 mg/L时,COD去除效果最佳.经3次重复试验确定,在优化条件下,COD去除率实测值为70%.
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