Preliminary communication

Extraction of copper from solution after bioleaching of printed circuit boards (PCBs)

J. Willner ; Silesian University of Technology, Department of Metallurgy, Katowice, Poland
A. Fornalczyk ; Silesian University of Technology, Department of Metallurgy, Katowice, Poland

Abstract

The solvent extraction of copper and iron from bioleaching solutions of PCBs with LIX 860N-IC and next stripping test with H₂SO₄ were investigated. In test the effect of varying sulfuric acid concentration on stripping rate of Cu and Fe and also phase ratio (O : A) were determined. It was found that the stripping rate of copper increases with the sulfuric acid concentration. The optimal concentration of H₂SO₄ is suggested to be about 150 g/L and phase ratio O:A = 1:1.

Keywords

copper; solvent extraction; electronic waste; bioleaching; LIX 860N-IC

Hrčak ID:

110269

URI

https://hrcak.srce.hr/110269

Publication date:

1.4.2014.

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