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17:59
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Originally posted by plough
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I do not know why they do not need to use Hydrochloric acid , but maybe there is sodium chloride (common table salt) n the ore already , I really do not not in fact know why they need to use Nitric acid rather than using an autoclave and heat as like you I am not a metallurgist or chemist .
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Originally posted by eshmun
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I was recently looking at the Amursk POX (pressure oxidisation) hub in Russia in relation to AQG's sulphide gold project in Turkey.
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Yes an autoclave means you can lower the temp due to a corresponding higher pressure (like a pressure cooker) as works off the Boils and Charles Law principles P1*V1/T1 = P2*V2/T2 about the limit of my chemistry - back to the school yard 50 years ago .
