발간논문

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Vol.29, No.12, 1282 ~ 1292, 1991
Title
A Study on the Recovery of Copper from Discard Copper Slags
이재운Jae Un Lee, 문광호Kwang Ho Moon, 이광학Kwang Hak Lee
Abstract
The recovery of copper was studied from industrial discard copper slags. In flash smelter and electric furnace slags, it was obtained the most Cu recovery when 5% carbon added to slags by carbothermic reduction, and 7% FeS added to 5% carbon by sulfide washing. Also, Cu recovery was very increased when 5% CaO added to 7% FeS with 5% carbon but, Cu recovery was lower Na₂CO₃ added to 7% FeS with 5% carbon than CaO added. These results were investigated with A.A, ICP, XRD, SEM-EDX, SEM-WDX and chemical analysis etc.. In this study we can get the most Cu recovery after 4 hours reaction in flash smelter and electric furnace slags.
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