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在毛主席革命路线的指引下,在认真学习无产阶级专政理论的热潮中,在大力“开发矿业”,大搞综合利用,挖掘矿山潜力和大搞技术革新的推动下,在公司和矿党委的直接领导下,于1975年3月组织了由公司矿山处、选厂试验室和有色金属研究院广东分院参加的三结合试验小组,对铜录山的氧化矿浮选尾砂,采用酸浸-萃取-电积新工艺进行了小型试验,经过半年多的系统试验,获得了较好的技术指标。试验流程见附图。
Under the guidance of Chairman Mao’s revolutionary line and under the craze of earnestly studying the theory of the proletariat’s dictatorship, with the vigorous efforts of “developing the mining industry,” promoting comprehensive utilization, excavating the potential of mines and vigorously promoting technological innovation, Under the direct leadership of the company in March 1975 organized by the company’s mines, the election plant laboratory and non-ferrous metals Research Institute of Guangdong Branch to participate in the three combination of experimental groups, Tongluoshan oxide ore flotation tailings, acid leaching - Extraction - electrowinning new technology for a small test, after more than six months of system testing, get better technical indicators. The experimental procedure is shown in the accompanying drawings.