Volume 34, Issue 2 (Journal of Advanced Materials- Summer 2015)                   jame 2015, 34(2): 71-78 | Back to browse issues page

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Sadeghi N, Keshavarz Alamdari E. Purification of Gold from Chloride Leach Liquor of Copper Anode Slime by Octanol-Kerosene Organic Extractant. jame. 2015; 34 (2) :71-78
URL: http://jame.iut.ac.ir/article-1-670-en.html
Amirkabir University of Technology, Tehran, Iran , alamdari@aut.ac.ir
Abstract:   (8256 Views)
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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Type of Study: Research | Subject: Surface engineering and coatings
Received: 2015/09/2 | Accepted: 2015/09/2 | Published: 2015/09/2

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