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一、目前国内黄铁矿烧渣利用情况 1.黄铁矿烧渣综合利用的必要性和重要性: (1)我国硫酸厂每年约产300万吨烧渣,若能全部综合利用,则每年约可增加150万吨铁,7500吨铜,15000吨锌,6000吨铅,1500公斤金,45吨银,150吨钻和150万吨炉渣水泥。综合利用烧渣,不仅为国家提供了大量的黑色和有色金属,而且还解决了长期以来,由于烧渣的堆放,对于工农业生产和航运事业所造成的严重危害。变害为利,对于落实毛主席“备战、备荒、为人民”的伟大战略方针,具有伟大的政治意义。特别是综合利用黄铁矿烧渣,
First, the current utilization of domestic pyrite cinder 1. Pyrite cinder comprehensive utilization of the necessity and importance: (1) China’s annual output of about 3 million tons of sulfuric acid plant slag, if it can be fully utilized, the annual Approximately 1.5 million tons of iron, 7,500 tons of copper, 15,000 tons of zinc, 6,000 tons of lead, 1,500 kilograms of gold, 45 tons of silver, 150 tons of diamonds and 1.5 million tons of slag cement can be added. Comprehensive utilization of slag, not only for the country to provide a large number of black and non-ferrous metals, but also to solve a long time, due to the accumulation of slag, for industrial and agricultural production and shipping caused serious harm. It is of great political significance to implement the great strategic principle of Chairman Mao for “preparing for war, preparing for war and for the people.” In particular, the comprehensive utilization of pyrite cinder,