Determination of the active phase structure in CuO/γ-Al2O3 catalysts by TPR kinetic model discrimination

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Determination of the active phase structure in CuO/γ-Al2O3 catalysts by TPR kinetic model discrimination

The results of temperature-programmed reduction with hydrogen of alumina supported copper oxide catalysts were used to find the best model describing the kinetics of Cu ions' reduction. On the basis of the rate determining step of this reaction the structure of copper oxide was revealed. This kinetic approach was compared with BET and UV-vis-DRS results. The catalytic activity of various copper oxide forms was tested in toluene combustion.

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