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http://dx.doi.org/10.7844/kirr.2013.22.6.48

Removal of Copper from the Solution Containing Copper, Nickel, Cobalt and Iron  

Park, Kyung Ho (Mineral Resource Research Division, Korea Institute of Geoscience & Mineral Resources (KIGAM))
Nam, Chul Woo (Mineral Resource Research Division, Korea Institute of Geoscience & Mineral Resources (KIGAM))
Kim, Hyun Ho (Mineral Resource Research Division, Korea Institute of Geoscience & Mineral Resources (KIGAM))
Barik, Smruti Prakash (Mineral Resource Research Division, Korea Institute of Geoscience & Mineral Resources (KIGAM))
Publication Information
Resources Recycling / v.22, no.6, 2013 , pp. 48-54 More about this Journal
Abstract
The methods to separate and remove copper in the mixed solution ((399 ppm Cu, 208 ppm Fe, 15.3 g/L Ni, 2.1 g/L Co) with nickel, cobalt and iron were investigated. With hydroxide precipitation method, copper and iron ions were completely precipitated and removed from the solution at pH 7 while some nickel and cobalt also were precipitated. 99.75% copper could be precipitated and removed as copper sulfide from the solution with adding $Na_2S$ (1.25 w/v concentration) of 2 times equivalent of Cu at pH 1. Copper was selectively absorbed on TP 207 ion exchange resin at equilibrium pH 2.0 and could be eluted from copper-loaded resin using 5% $H_2SO_4$.
Keywords
copper removal; precipitation; hydroxide; sulphide; ion exchange;
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Times Cited By KSCI : 2  (Citation Analysis)
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