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    Jan 01, 2008· The processing of gold solution depends on the adsorption of Au(CN) 2 − onto activated carbon, and its subsequent stripping (or elution) from the activated carbon (Arriagad and Garcia, 1997, Bryson, 1995, Petersen and Van Deventer, 1997, Streat and Naden, 1987, Yalcin and Arol, 2002).

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    The carbon in pulp method is only used where tank leaching is utilized for the recovery of gold from the ores and this is not the case in most large gold mines today, since heap leaching is the lowest cost method for recovering gold from ores containing from a few grams to 5 or 6 grams per ton.

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    Feb 04, 2014· Oh! yeah,from the ashes, also mercury on carbons isn't good way cause mercury is adsorbed to carbon in normal temperature. Gold extraction from the ashes by cyanide is much much cheaper in cost than mercury amalgamation. We have a big gold plant with CIL( carbon in leach) process and our capacity is 3500 mtons ore per day and about 10-11 kg gold.

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    The Miller process uses gaseous chlorine to extract impurities when gold is at melting point; impurities separate into a layer on the surface of the molten purified gold. The Miller process is rapid and simple, but it produces gold of only about 99.5 percent purity. The Wohlwill process increases purity to about 99.99 percent by electrolysis.

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    The Miller process uses gaseous chlorine to extract impurities when gold is at melting point; impurities separate into a layer on the surface of the molten purified gold. The Miller process is rapid and simple, but it produces gold of only about 99.5 percent purity. The Wohlwill process increases purity to about 99.99 percent by electrolysis.

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    Activated Carbon is a porous material that removes organic compounds from liquids and gases by a process known as “adsorption.” In adsorption, organic molecules contained in a liquid or gas are attracted and bound to the surface of the pores of the activated carbon as the liquid or gas is

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    Orders of bulk activated carbon are also acceptable as we have been a major supplier of activated carbon since 1958. Liquid Phase Activated Carbon Like the vapor phase carbon, General Carbon’s liquid phase activated carbon products are made from coal, coconut shell and wood for most liquid phase and water applications.

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