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- W2184776307 abstract "Present study aims an experimental design based on the approach of Taguchi method to optimize of cementation of copper in chlorination solutions of chalcopyrite concentrate neutralized with oxidized copper ore by iron scraps. The concentrations of Fe3+, Cu2+, H+, SO 2- and Cl-ions in the chlorination solution obtained under predetermined optimum conditions were 14.6, 4.0, 2.6, 2.2 and 124.3 gmL-1, respectively. The ranges of experimental parameters were between 20-40 oC for reaction temperature, C/5-C/15 g.L-1 for concentration of leach solution, 300-600 rpm for stirring speed and 20-60 min for reaction time. Where, C is the concentration of the original chlorination solution. After pH of the chlorination solution was set to 1.5 by adding oxidized copper ore, the cementation was carried out with iron scraps and the optimum conditions were found to be as follows: reaction temperature 40 oC, concentration of leach solution C/5 g.L-1, stirring speed 450 rpm; and reaction time 40 min. Under these conditions, the percentage of copper obtained by cementation from aqueous solution was 98.35 %." @default.
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- W2184776307 date "2006-01-01" @default.
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- W2184776307 title "A Study on the Optimum Conditions of the Cementation of Copper in Chlorination Solution of Chalcopyrite Concentrate by Iron Scraps" @default.
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