(PDF) Gold Extraction and Recovery Processes For
Extraction of gold from arsenic gold ore concentrate Increase temperature of smelting chamber to 100 7,498,006 Process for extracting gold in arsenic 3/3/09 containing concentrate of gold 300#176;C, hold temperature to remove vapor and small Under residual pressure 50MPa, increase quantity of dust temperature to 300500#176;C to remove volatile Hold temperature of crystalline chamber at 300