The reaction of carbonate & silver chloride under high temperature produces silver carbonate, which is decomposed into argent, thus reclaiming argent from the waste liquid.
利用碳酸盐与氯化银在高温下作用生成碳酸银，碳酸银分解得到金属银，从而提取回收含银废液中的金属银。
Iron line replacement method is used to recovery metal silver from silver sulfate in COD waste liquid, and it is reused to analyze, so analysis cost and environment pollution are decreased.
对COD废液中的硫酸银，采用铁线置换法回收金属银，进行循环使用，降低了分析费用，减小了环境污染。
The main sources of silver-containing liquid waste and 5 methods for recovering the silver from them are elaborated systematically.
系统论述了含银废液的主要来源以及从中提取回收银的5种方法。
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