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Comparing Gold Resin Plants

Table 4 shows a comparative chart with the results obtained for three mines during the gold recovery with ion exchange resins.

Table 4. Results obtained with resins.

Mine	Gold, g/t	Resin	Eluant	Recovery, %
Golden Jubilee	1.5	SBR	Zinc cyanide	85-90
Muruntau	2.4	SBR/WBR	Thiourea	92-94
Stilfontein	900	SBR	Thiocyanate	91-95

The table indicates that strong base resins (SBR) have been chosen considering its high capacity and good kinetic. Recoveries are the best indicative of that, and the differences obtained are due to the type of ore or feed to the resin circuit. As was mentioned, the presence of heavy metals makes difficult the elution process and consequently must be investigated the best eluant. This is reason of different eluant in each plant.

Mine

Gold Mining & Gold Prospecting Activated Carbon Process For Small Gold Operations Hydrochloric acid Elution Sequential Elution Method Gold Thiourea Complex Mechanism of elution by thiocyanate Elution by Sodium hydroxide Golden Jubilee Mine Process Flowsheet Muruntau Mine Process Flowsheet Stilfontein Gold Mine Process Flowsheet Comparing Gold Resin Plants Heap Leaching of Gold Gold Cyanidation by agitation; carbon-in-leach (CIL) process COMPARING Gold HEAP LEACHING AND CIP Operating and Capital COSTS