Solvent Extraction of Gold from Hydrochloric Acid - Chem. Bull .Ijero-ekiti (Nigeria) gold ore deposit by hydrochloric acid leaching followed by extraction with Tributylphosphate (TBP) . concentration of basic metals, as well as small contents of other rare metals . the conventional pyrometallurgical methods for metal extraction. . then, processing of the ores at high temperature causes.acid method for high cocentration of gold ore,What is the role of cyanide in mining | MiningFacts In Canada, more than 90% of mined gold is extracted from ore using cyanide. . The concentration of cyanide used in this process is normally in the range of . In high concentrations, cyanide is toxic to aquatic life, especially fish which are one .. methods to recover gold from ore include bromine/bromide/sulfuric acid,.
acid method for high cocentration of gold ore