据苏刊《有色金属》最近报道,经互会成员国在捷克克鲁契尼兹城举行了讨论会,研究了在提高矿物原料全盘综合利用、建立无废料生产工艺方面,科研和生产发展的主要方向。保加利亚采用药剂单独处理,矾土矿洗矿矿泥浮选,矿石阶段磨浮,使用选择性捕收剂—黄药混合 According to a recent report by the non-ferrous metals magazine of the Soviet Union, members of the Economic and Social Commission for Economic Cooperation and Development held a seminar in the city of Kruchenitz in the Czech Republic to study ways to promote the comprehensive and comprehensive utilization of mineral raw materials and to establish a waste-free production process. The main direction. Bulgarian treatment with agents alone, bauxite mine washing ore flotation, ore stage frost, the use of selective collector - xanthate