察尔汗盐湖钾矿年产２０万ｔＫＣｌ的一期工程提钾后，约有４００万富含镁、锂、硼、溴、碘等资源的老卤排放到霍布逊湖储存。由于老卤回渗，已影响到厂区和采区的环境。化学矿产地质研究院引进瑞士联邦理工大学许靖华教授提锂专利，通过室内及野外试验，取得了良好的效果... After the first phase of the Karkhan Salt Lake Potassium Mine with an annual output of 200,000 t KCl, the old halogen, which is rich in magnesium, lithium, boron, bromine, and iodine, was discharged to Hobson Lake for storage. Due to the old brine bleed, it has affected the environment of the factory area and the mining area. The Institute of Geology and Mineral Geology introduced the patent of lithium extraction from Prof. Xu Jinghua of the Swiss Federal Institute of Technology and achieved good results through indoor and field experiments...