Abstract
The detailed research and analysis of ore properties was conducted on a certain unutilizable lead-zinc mixed ore in Yunnan, China, and in view of the ore properties, the sulfide ore and oxidized ore were graded, separated and enriched respectively, correspondingly, zinc concentrate, lead-zinc concentrate and lead oxide concentrate were produced, in addition, associated silver mineral was enriched in lead-zinc concentrate and lead oxide concentrate. On the basis of mineral separation technology study of polymetallic ore, the complex and inseparable lead-zinc ore and its associated mineral resources were recovered and utilized comprehensively.
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