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...Http dx doi org vna copper solvent extraction status operating practices and challenges in the african copperbelt by k c sole o s tinkler kt a operations owned major multinational corporations large although first scale application of recovery number small to plants mainly took place zambia early it is only last chinese decade that this technology has become widely employed part paper examines typical sx world now mainstay unit operation hydrometal practice discusses lurgical flow sheets mineralogy ores differences compared with other parts hence characteristics leach liquors differs significantly looks at some from those chile southwestern usa where presented conditions as well had long successful history these innovations reagents provide operators metallurgists reagent vendors engineers have been introduced many new approaches are needed adapt circuits for implementation region on regional basis table review i compares pregnant solutions pls central africa north america south practi...