中华人民共和国国家环境保护标准HJ 2056-2018铜镍钴采选废水治理工程技术规范Technical specifications for mining and mineral processing wastewatertreatment of copper,nickel and cobalt（本电子版为发布稿请以中国环境科学出版社出版的正式标准文本为准）2018-08-13发布2018-09-01实施生态环境部发布目次前言.................................................................................................................................................11适用范围.........................................................................................................................................22规范性引用文件.............................................................................................................................23术语和定义.....................................................................................................................................34污染物与污染负荷.........................................................................................................................45总体要求.........................................................................................................................................56工艺设计.........................................................................................................................................67主要工艺设备和材料...................................................................................................................128检测与过程控制...........................................................................................................................139主要辅助工程...............................................................................................................................1410劳动安全与职业卫生.................................................................................................................1511施工与验收.................................................................................................................................1512运行与维护..................................................................................