· Electroleaching of naturel ore containing zinc and lead Souad Bessila1, Abdelhamid Zeghdaoui1, and djamal eddine akretche2 1high school of teachers (ens), vieux kouba, algiers, algeria, 2laboratory of hydrometallurgy and inorganic chemistry, faculty of chemistry, usthb, bp32, el alia, 16111 bab ezzouar, algiers, algeria Abstract :