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混凝-沉淀法去除老龄垃圾渗滤液中难降解物质 被引量:3

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摘要 以典型老龄垃圾渗滤液为研究对象,考察了混凝沉淀对渗滤液中COD、浊度以及难降解物质的去除效果,所选四种混凝剂分别为PAC、PFS、硫酸铝、硫酸亚铁。结果表明:适用于老龄渗滤液预处理的混凝剂为PAC,在投加量为600mg/L时对COD与浊度去除率为26%、47%;虽然混凝沉淀对老龄渗滤液中COD的去除效果有限,但过量的混凝剂可显著提高腐殖质的去除率,当PAC投加量由600mg/L提高至1000mg/L时,对腐殖质的去除率则有9.3%提高至25.2%,从而可显著降低老龄渗滤液中难降解物质的含量。
出处 《科技信息》 2010年第15期356-357,共2页 Science & Technology Information
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