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。
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。
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