银精矿回收锌及铜的综合利用研究

Study on Comprehensive Utilization of Recycled Zinc and Copper in Silver Concentrate

银精矿灼烧,使其脱出一部分硫,使锌、铜形成酸可溶物,而银则不被浸出留在渣中达到富集的目的,锌酸浸出后进入电锌系统回收锌;浸出的高价铜离子经锌粉置换后可作为溶液中氯离子的沉淀剂,从而达到除去溶液中氯离子的目的。

Silver concentrate is burned to remove part of sulfur, so that zinc and copper form acid soluble matter, while silver is not leached to stay in the slag to achieve the purpose of enrichment, zinc acid leaching into the zinc system after the recovery of zinc ; Leaching of high-priced copper ions by zinc powder replacement can be used as a solution of chloride ions in the precipitant, so as to achieve the purpose of removing chloride ions in the solution.