Investigations were carried out for the recovery and separation of Lead and Zinc from the Sphalerite Ore of Kohistan-Hazara by acid leaching. Parameters like acid concentration, temperature and time of leaching were optimized for the maximum recovery of Lead and Zinc from the Ore. It was found that a recovery of 90% of Zinc and 70% of Lead could be obtained if the observed optimum conditions for the parameters studied are followed:


A RAHMAN KHAN ,MUMTAZ KHAN ,KAMIN KHAN ,M RIAZ ,M AKIF ,