Abstract
The reduction of copper chromite CuCr2O4 by hydrogen at 300–573 K and a hydrogen pressure of 4×104-8 × 104 104 Pa and hydrogen desorption from the surface of a reduced sample are studied. The rate of copper chromite reduction becomes high at temperatures above 473 K. Hydrogen desorbs from the surface of metallic copper covering the surface of chromite during its reduction. The heat of hydrogen adsorption on the metallic copper is almost independent of the surface coverage, 70–80 kJ/mol.
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