结论
中空纤维更新液膜过程作为一种新型的液膜技术,具有稳定性高、传质速率快、操作简单等优点。采用HFRLM技术处理含Cu(II)废水,去除率达99.0%,处理后废水中Cu(II)含量低于l.0 mg/L,达到国家排放标准;浓缩侧的Cu(II)质量浓度达1 700 mg/L,富集因子为25。该处理过程中无二次污染产生,浓缩后的废水可回收使用,实现了铜的资源化利用,是实现电镀废水闭路循环的有效手段之一,在电镀含铜废水处理方面具有广阔的应用前景。
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