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提出了从烂版废液中回收硫酸铜的新工艺．硫酸铜质量（纯度）在９８％以上，原料中铜近于定量回收，无三废污染，分析了工业应用的可能性
A new process for recovering copper sulfate from the spent version was proposed. The quality (purity) of copper sulfate is above 98%, the copper in the raw material is almost quantitatively recovered, no tri-waste pollution is analyzed, and the possibility of industrial application is analyzed