Abstract
The direct hydrogen reduction of metal sulfates may provide an attractive method for producing high-purity metals. In this work the intrinsic kinetics, unaffected by diffusional and mass transfer effects, of the hydrogen reduction of copper sulfate particles have been determined using a nonisothermal technique. The reduction rate shows a first-order dependence on the hydrogen partial pressure and the amount of unreacted copper sulfate. The activation energy of the reaction was determined to be 63.7 kJ/mol.
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