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苏联矿产综合利用的某些特点 (一) 综合利用发展的水平不平衡:一些先进企业的矿物原料综合利用率达75%以上,如胡杰斯克矿冶公司用浮选-水冶联合流程从含铜黄铁矿矿石中回收了铜、锌、钴、镉、铁、硫、碲和硒等,这些金属或元素的回收率分别为97%、92%、66%、64%、90%、82%、77%、72%;但是,全苏矿物原料综合利用率仅50%左右,采、选、冶过程中矿产损
Some Characteristics of Comprehensive Utilization of Mineral Resources in the Soviet Union 1. Unbalanced development of comprehensive utilization: The comprehensive utilization rate of mineral raw materials of some advanced enterprises is over 75%. For example, Hujskek Mining & Metallurgical Company uses the flotation-watermelt joint process from The recoveries of copper, zinc, cobalt, cadmium, iron, sulfur, tellurium and selenium in the copper pyrite ore are 97%, 92%, 66%, 64%, 90%, 82 %, 77%, 72%; However, the comprehensive utilization of mineral resources in the whole Soviet Union only about 50%, mining, election, the process of mineral loss