Clean and low cost processing of gold ores

by Villachica, Carlos A., Regalado, Leonardo C., Anco, Percy D.
Source: 1. 7th Conference on environment and mineral processing, part II 1. Ostrava : Vysoká škola báňská - Technická univerzita, 2003 1. 8024802481 1. S. 365-371

Retreatment of Zn bearing tailings to recover Zn and Au, and remove As

by Anco, Percy, Jaime, Llamosas, Regalado, Leo, Romero, Jason, Villachica, Carlos
Source: 1. New trends in mineral processing IV, part II 1. Ostrava : Vysoká škola báňská - Technická univerzita, 2001 1. 80-7078-886-0 1. S. 567-570