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The Influence of Reaction Conditions on the Rate of Hydrogen Evolution in Aqueous Solutions of Glycerol over Pt/TiO 2 Photocatalysts
Kinetics and Catalysis  (IF1),  Pub Date : 2021-03-03, DOI: 10.1134/s002315842006004x
A. Yu. Kurenkova, E. A. Kozlova, V. V. Kaichev


The processes of photocatalytic hydrogen production from aqueous solutions of glycerol under soft UV radiation over photocatalysts based on platinized titanium dioxide were studied with varying pH of the reaction medium, substrate concentration, and radiation wavelength. It was shown that the dependence of the rate of photocatalytic hydrogen production on the substrate concentration corresponds to the Langmuir–Hinshelwood mechanism. The maximum activity in the production of hydrogen was 10.4 mmol \({\text{g}}_{{{\text{cat}}}}^{{ - 1}}{\kern 1pt} {{{\text{h}}}^{{ - 1}}}\).