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微电解-混凝法处理抛光液废水

Keywords: 微电解-混凝,抛光液废水,去除率,正交实验

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Abstract:

采用微电解-混凝处理抛光液废水,考察了铁水比、进水pH值、铁炭比、振荡时间对微电解处理效果的影响。通过单因素实验与正交实验找出了影响较大的因素,进水pH、铁水比、振荡时间都对去除率影响较大。最佳微电解条件为铁水比为0.375,进水pH为3,铁炭比为1:1,振荡时间为150min。同时,当混凝剂硫酸亚铁的投加量为160mg/L、三氯化铁的投加量为20mg/L时,COD去除率可达到83.8%,金属铜离子去除率可达到96%。

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