本文介绍了TFC(R)-S型纳滤膜分离电镀镍漂洗水的试验研究,讨论了温度、操作压力、浓差极化、共存离子对膜分离性能的影响.结果表明,这种纳滤膜对电镀镍漂洗水中Ni2+的去除率高于99.5%,透过液中Ni2+质量浓度小于1 mg/L;对CODCr的去除率大于96%,透过液中CODCr低于14 mg/L,达到国家工业废水排放标准(GB8978-1996),可以直接排放或回用于镀件漂洗.
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