Recovery of Valuable Metals from Copper Slag by Hydrometallurgy

Author:

Chen Mao Sheng1,Han Zi Rong1,Wang Lei Zhi2

Affiliation:

1. Kunming University of Science and Technology

2. University of Sydney

Abstract

A novel hydrometallurgical method was developed to recycle valuable metals of Si, Fe and Cu from copper slag. The leaching rates of 98%, 99% and 91% for SiO2, Fe and Cu, respectively, were obtained under optimized parameters: solid-to-liquid ratio is 1:10; concentration of hydrochloric acid is 35%; the reaction time is 2 hours and at 80-90°C.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference10 articles.

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2. Collins, R., J. and Miller, R.H., Utilization of mining and mineral processing wastes in the United States. Minerals Environment, 1979. 1(1): pp.8-19.

3. Robbins, D.A., S.D. Bundy, and G.R. Stanga, AVAILABILITY OF TOXIC METALS FROM NON-FERROUS METALLURGICAL SLAGS USING VARIOUS TESTING PROCEDURES. Journal of Metals, 1983. 35(9): pp.75-75.

4. Sohn, H.Y. and V. Ramachandran, Advances in sulfide smelting - Technology, R & D, and education. Sulfide Smelting '98, 1998: pp.3-37.

5. Wang, G., Y.H. Wang, and Z.L. Gao, Use of steel slag as a granular material: Volume expansion prediction and usability criteria. Journal of Hazardous Materials, 2010. 184(1-3): pp.555-560.

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