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Method of recovery of the copper content in ammoniacal solutions of copper or solutions of complex compounds, of copper salts and ammonia, and preferably in the waste water in the industry of the cellulose to the copper oxide is ammonia, by means of heat exchangers in a
Method of recovery of the copper content in ammoniacal solutions of copper or solutions of complex compounds, of copper salts and ammonia, and preferably in the waste water in the industry of the cellulose to the copper oxide is ammonia, by means of heat exchangers in a