|About this Abstract
||2020 TMS Annual Meeting & Exhibition
||PbZn 2020: The 9th International Symposium on Lead and Zinc Processing
||New lead cementation equipment and lead recovery process in chloride media developed by Cobre Las Cruces
||CARLOS FRIAS GOMEZ, Juan Pedro Soler, Jorge Blanco, Luis Pastor, Natalia Moreno
|On-Site Speaker (Planned)
||CARLOS FRIAS GOMEZ
A new lead cementation equipment and lead cementation process with aluminium metal in chloride media has been developed by Cobre Las Cruces. Lead-bearing material is leached in hot brine solution; next, pregnant solution is purified to remove some impurities; and finally, lead metal is cemented onto rotating aluminium discs. That way, lead is produced in form of lead powder that is further compacted and melted to yield lead ingots.
Cobre Las Cruces operated along one year new cementator prototype feeding 10 kg/h of lead and producing at the end several tonnes of lead metal powder. Compaction tests on lead powder were also undertaken. The lead cementator prototype includes a few rotating aluminium discs where lead particles are deposited on aluminium surface and detached in continuous thanks to use variable rotational speed.
Achievements of developed lead cementation project are very valuable and are outlined in this paper.