Procedure for the recovery of the metal values of complex pirates. (Machine-translation by Google Translate, not legally binding)

摘要

Procedure for the recovery of the metal values of the complex pirates. Characterized because in the first place the milling and concentration of the mineral is proceeded to obtain a minimum law of copper more than zinc, more lead of 12%; this concentrated subject to a leaching in two stages, a sulfuric and another acid but in half chloride. Non-ferreal metals recover from conventional procedure sidolution. Lead is recovered from solid waste that is after two lixiviations. (Machine-translation by Google Translate, not legally binding)