A preliminary study on the preparation of metallic copper by direct hydrogen reduction of CuS slurry

A preliminary study demonstrated that CuS in the acid or basic slurry could be reduced to a certain extent by hydrogen in an autoclave. The reduction mechanisms in the two systems are probably different. The reduction of CuS in the basic slurry of pH 12.0 reached 92% under the hydrothermal condition...

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Bibliographic Details
Published in:Journal of materials science 2007-08, Vol.42 (15), p.6400-6403
Main Authors: Tang, Qing, Yu, Kening, Liang, Huanzhen, Li, Shaohua, Ke, Jiajun
Format: Article
Language:English
Subjects:
Autoclaves
Autoclaving
Copper
Copper sulfides
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Hydrogen reduction
Materials science
Other topics in materials science
Physics
Reduction
Slurries
Zinc oxide
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Summary:A preliminary study demonstrated that CuS in the acid or basic slurry could be reduced to a certain extent by hydrogen in an autoclave. The reduction mechanisms in the two systems are probably different. The reduction of CuS in the basic slurry of pH 12.0 reached 92% under the hydrothermal conditions, such as 2.5MPa of partial hydrogen pressure, 220 ºC for 3 h and adding 95% of stoichiometric ZnO.
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-006-1161-x