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...Jme journal of mining environment vol no doi solvent extraction copper from an industrial sulfate liquor using chemorex cp s feizollahi and a azizi faculty petroleum geophysics engineering shahrood university technology iran received june in revised form july accepted corresponding author aazizi shahroodut ac ir abstract the behavior cu ii ions real obtained heap leaching stage oxide ore was investigated chelating reagent kerosene comparative study also carried out on capability other solvents including dehpa cyanex demonstrated effective selective performance with amount extracted fe less than results indicated that more were transferred to organic phase single v at o ratios respectively addition mccabe thiele diagram exhibited two stages required achieve maximum ratio under optimal conditions c ph min contact time thermodynamic data proved process slightly endothermic h kj mol indicating relatively smaller heat effects formation complex species cur stripping loaded conducted it found...