include: (1) eliminating a carbon transfer which reduces gold losses from fine carbon breakage of loaded carbon, (2) conservation of heat if hot acid washing is employed and (3) reduction in stripping cycle time by eliminating a carbon transfer. Factors favoring installation of a separate acid wash vessel include: (1) less potential for mixing acid
This study demonstrates that gold cyanide which is adsorbed on the activated carbon, is quickly recovered from the activated carbon by a twostep process at ambient temperature. This method is relatively safe and simple. The first step comprises contacting gold cyanideloaded activated carbon with sodium hydroxide solution.