In the present study، the copper anode slime was leached in chloride media. Then، pregnant leach solution (PLS) was purified using solvent extraction method and Octanol-kerosene solution. HAuCl4. 2L was determined as the extracted macromolecule، and separation of impurities، such as copper، iron and selenium was done in the presence of gold. McCabe-Thiele diagram of Au–HCl (3 M) – Octanol (40% v/v) in O/A=3/4 showed that Au concentration in aqueous phase decreased from the initial value of 200 to 7 mg/L، after 5 stages. Ammonia solution was proposed as the stripper and McCabe-Thiele diagram was presented to obtain the number of gold stripping steps by ammonia solution
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