Roasting is a process of heating of sulfide ore to a high temperature in presence of air It is a step of the processing of certain ores More specifically roasting is a metallurgical process involving gas solid reactions at elevated temperatures with the goal of purifying the metal component s
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Get PriceThe resulting mixture called a copper concentrate contains about 25 35% copper along with various sulfides of copper and iron plus smaller concentrations of gold silver and other materials The remaining materials in the tank are called the gangue or tailings
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Get PriceA Method for Leaching or Dissolving Gold from Ores or Precious burette 14 Reducing reactant for precipitating gold such as iron II sulfate and oxalic acid metallurgical process to recover gold 9 Svistunov et al studying the action of chlorine water onto gold suggested that
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