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Leaching Gold Using Oxidation Products of Elemental Sulfur in Ca(OH)2 Solution Under Oxygen Pressure
gold leaching alkaline solution oxygen pressure
2009/11/16
A gold leaching process by using in situ oxidation products of added elemental sulfur in Ca(OH)2 solution was investigated. A gold concentrate containing 45 g/t Au was tested and 85%~87% of gold were ...
Leaching of Silver from Boorchi Ag-Pb Ore in Mongolia with
silver thiourea leaching ammonia carbonate solution
2009/11/16
A hydrometallurgical process to extract silver from the silver-lead ore in Boorchi, Mongolia by using thiourea leaching solution is studied in this work. Through the observation of optical and scannin...
Hot Filtration: A Way to Enhance the Recovery of Chromite in Sulfuric Acid Leaching,with or without the Addition of Perchloric Acid
Leaching Chromite Hexavalent chromium Sulfuric acid Perchloric acid
2009/10/9
Ahi gh grade chromite concentrate obtained from the Pınarba¸sı region of Kayseri province in Turkey was reacted with a solution of sulfuric acid and perchloric acid at atmospheric pres...