简述了云龙难选氧化银铜矿的性质，论证了酸浸—硫化沉淀浮选工艺的可能性及工业试验结果。
The properties of Yun Long refractory silver-copper ore are summarized. The feasibility as well as the pilot test result of the acid leaching-sulfide precipitation flotation process is demonstrated.
实验室模拟了工业生产，解决了工艺中几个问题，缩短了硫代硫酸盐法浸银在工业应用上的距离。
The industry production was simulated in laboratory, and several problems in technologies were solved. The distance of application of extracting sliver by thiosulfate method in industry was shortened.
介绍了银渣回收银的试验研究情况，采用硫酸浸出-氨浸法处理银渣，工艺简单合理，技术指标高，有一定的推广价值。
It describes the test and research on recovering silver from silver bearing residue by using sulfuric acid leaching ammonia leaching process, which is simple and worthy of promotion.
介绍了银渣回收银的试验研究情况，采用硫酸浸出-氨浸法处理银渣，工艺简单合理，技术指标高，有一定的推广价值。
It describes the test and research on recovering silver from silver bearing residue by using sulfuric acid leaching ammonia leaching process, which is simple and worthy of promotion.
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