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230问答网 > 请问电镀工艺中，氢氧化钠退铬法会在退铬槽产生槽渣吗？如果有，是什么成分？

请问电镀工艺中，氢氧化钠退铬法会在退铬槽产生槽渣吗？如果有，是什么成分？

2025-04-08 10:49:37

推荐回答（1个）

回答1：

有槽渣,是氢氧化铬.如果使用时间久了,由退镀时工件带入退铬液中过多不同杂质,影响退镀效果,考虑溶液除杂处理和从新配制新液的对比成本,最好是新配比较合算.旧溶液属强碱性,可考虑再用于其它方面，如果需要排放，必须中和后，用大量水稀释到国家规定的排放指标后才能排放。

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