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怎样处理纸艺刀模废旧液

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怎样处理纸艺刀模废旧液

发布日期:2014-08-07 00:00 来源:http://szaxzb.com 点击:

  现在通行的做法是,在各浮雕刀模厂内储存起来,放在密封的池子或储罐内等候外单位拉走处理。外单位一般是经本地环保部门批阅过有天资的收回公司,他们把废液拉回去后,运用化学办法(中和法、电解法、置换法)收回废液内的铜,或提炼成硫酸铜产品。这些办法,技术落后,铜收回不彻底,处理的经济效益不明显,有二次污染污染物排放。特别是碱性纸艺刀模,因为有很多的氨离子存在,一旦处理不妥往外排放,必然对水体生态系统造成大的冲击。

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