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    Refractory gold ore pretreatment processes continue to receive much attention. This paper compares the . exchangers on both the flashed slurry and vapor to preheat the autoclave feed prior to oxidation at . COOLING TOWER. FIGURE. 3.

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  • evaluating process options for treating some refractory ores abstract

    sulfide grades then used to compare the process economics. . Refractory gold ores are those that do not yield high gold recoveries in conventional cyanide ... The clarified solution is de aerated using packed tower (Crowe) under vacuum. .. exchanger transfer heat from the outgoing slurry to preheat fresh oxidation.

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  • evaluating process options for treating some refractory ores abstract

    sulfide grades then used to compare the process economics. . Refractory gold ores are those that do not yield high gold recoveries in conventional cyanide ... The clarified solution is de aerated using packed tower (Crowe) under vacuum. .. exchanger transfer heat from the outgoing slurry to preheat fresh oxidation.

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  • Gold extraction Wikipedia

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  • Patent US5536297 Gold recovery from refractory carbonaceous .

    Jul 16, 1996 . A process for recovering gold in which an ore slurry of refractory sulfidic and refractory . the same pressure as the flash tank, for preheating the feed slurry. . through a crossflow, induced draft cooling tower 26 by pump 27.

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    What you need is what we can do! In the future, Xinhai will continue to rely on three big supporting "technology, talents, management", adhere to the international development strategy, and concentrate on providing customers with modern, efficient, energy-saving mine overall construction and operational solution, to create international leading enterprises in mining industry.