As chalcocite is amenable to leaching by solutions of salts of trivalent iron, There exists great basis for recirculating at the least a Component of the effluent solutions. To stop “plugging” the leaching column with flocculent hydrated iron precipitates, the solutions recirculated ought to incorporate some cost-free acid. Leading EOR http://finnyowwh.articlesblogger.com/5537849/ccv-solutions-an-overview