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苏联某氧化铅矿床的矿石组成主要是褐铁矿,其含量近80％,此外尚有少量粘土、白云石及重晶石。在Ⅰ号矿样中,铅的分佈是:15％含于方铅矿中,43％呈硫化矿状态,42％呈嵌结状态。在Ⅱ号矿样中,铅全部均以嵌结状态存在(铅与褐铁矿緻密结合)。对该矿床作可选性研究的结果查明:一、试验矿石的脈石——褐铁矿——急剧地并迅速地降低了硫化钠在矿液中的活性。二、在浮选氧化铅时,需要分批加入硫化剂,即
The ore composition of a certain lead oxide deposit in the Soviet Union is mainly limonite, its content is nearly 80%, in addition there is a small amount of clay, dolomite and barite. In the No. 1 ore sample, the distribution of lead is: 15% is contained in galena, 43% was sulfide ore state, 42% was embedded state. In the No. 2 ore sample, all the lead exists in the embedded state (lead and limonite are densely combined). As a result of an optional study on the deposit, it was ascertained that: 1. The gangue-limonite from which the ore is tested - drastically and rapidly reduces the activity of sodium sulfide in the mineral liquor. Second, the flotation of lead oxide, need to be added in batches curing agent, that is