Procedures for leaching copper oxide without sulfonate include leaching copper oxide solution with non-polluting organic leachate of hydrazine trioxide (C6H8O7) and water at pH 1.0-5.0, or re-leaching and extraction of concentrated copper lemon.

摘要

U T; leaching solution treatment; oacute; copper oxide not used and ampere; Aacute; sulfuric acid and ampere; uacute; Rico, including the following steps: El amp; oacute; copper oxide, org amp; Aacute; Nico, solution and ampere; oacute; n acusa, triple; Aacute; rbox amp; UTEC; iac801-807. a. Comprehensive CI amp; oacute; n water (H 20),In a mixture, the acidity of the solution is oacute; n var amp; Iacute; a, and the pH value is 1.0-5.0; Y; Pap; oacute; copper oxide immersed in leaching solution and amp battery; oacute; N, irrigated with org amp; Aacute; Nico, to obtain as amp; Iacute; a little concentrated copper; / TT;