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我国煤系硫铁矿约占硫铁矿总储量的一半以上,煤系硫铁矿资源的开发利用对我国国民经济的发展具有重要作用。周家硫铁矿已建成投产,但存在回收率低的问题。为此矿方委托我院进行选矿试验。 一、矿石性质 周家硫铁矿属二迭纪上统乐平煤系沉积硫铁矿床。有用矿物以黄铁矿为主,少量白铁矿和胶黄铁矿。主要脉石矿物有高岭土、石英、水云母。原矿多元素分析如下:
China’s coal-based pyrite accounts for more than half of the total reserves of pyrite, and the development and utilization of coal-based pyrite resources play an important role in the development of our national economy. Zhou Jia pyrite has been completed and put into production, but there is the problem of low recovery rate. For this mine commissioned our hospital beneficiation test. First, the nature of ore Zhou Jia pyrite belongs to Permian Upper Leping coal sedimentary pyrite deposits. Useful minerals mainly pyrite, a small amount of white iron ore and pyrite. Main gangue minerals are kaolin, quartz, water mica. Raw ore multi-element analysis is as follows: