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I've read about removing chlorine from zinc sulfate solution on an industrial scale

This method has been implemented on an industrial scale? Where? What is the amount of copper lost on an industrial scale? Is it possible be replaced , caustic soda whit lime {Ca(OH)2} or CaCO3 ? (For economic reasons)

2 CuCl + Ca(OH)2 = CaCl2 (aq) + Cu2O + H2O

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