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ＢＫ系列铜萃取剂的研究是国家“九五”攻关项目．在德兴铜矿堆浸厂进行的萃取小型 和扩大试验证明，ＢＫ系列铜萃取剂性能优良．其中ＢＫ—９９２的技术指标和萃取性能与ＬｉＸ９８４Ｎ 基本一致或略好，并与ＬｉＸ９８４Ｎ有较好的兼容性，应用于生产实践将产生良好的社会效益和经济效 益．
BK series of copper extractant research is the national “Nine Five” key project. The extraction miniaturization and expansion tests carried out in the heap leaching plant of Dexing Copper Mine have proved that BK series copper extractant has good performance. One BK-992 technical indicators and extraction performance and LiX984N basically the same or slightly better, and LiX984N have good compatibility, used in production practice will have a good social and economic benefits.