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中文摘要：
采用电混凝技术对水中锑污染物进行处理,利用阳极电解铁板产生亚铁和三价铁离子,通过絮凝与共沉淀作用去除Sb(III)和Sb(V)污染物,并详细探讨了电流密度、溶液初始pH、电解质离子及通入N2对锑去除效率的影响。结果发现,锑初始浓度为1 mg/L时,反应30 min后Sb(III)浓度低于5.0μg/L,Sb(V)浓度为28.1μg/L,表明Sb(III)去除效率明显优于Sb(V)。另外,研究发现,电流密度及初始pH对Sb(III)的去除效率影响较小,增大电流密度会提高Sb(V)去除效率,溶液初始pH为4.5时Sb(V)去除效率最高;Mg2+与HCO-3有助于Sb(V)的去除,Ca2+、SiO2-3和PO3-4对Sb(V)的去除有一定的抑制作用;通入N2会提高Sb(V)的去除率。
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