Formal Kinetic Description of Photocatalytic Hydrogen Evolution from Ethanol Aqueous Solutions in the Presence of Sodium Hydroxide


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The dependences of the rate of the photocatalytic hydrogen production in ethanol aqueous solutions on the concentration of ethanol and sodium hydroxide on the 1% Pt/10% Ni(OH)2/Cd0.3Zn0.7S photocatalyst under visible light irradiation (λ = 450 nm) are studied. To describe kinetic data, the Langmuir–Hinshelwood equation was modified. An equation was proposed that reflects the dependence of the reaction rate on the concentration of NaOH, and an equation was derived for the first time that shows the dependence of the rate of photocatalytic hydrogen production from the concentrations of both reactants, ethanol and sodium hydroxide. The validity of the proposed equations was confirmed by their use for the description of the experimental data obtained in this work and reported earlier.

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D. Markovskaya

Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University

编辑信件的主要联系方式.
Email: madiva@catalysis.ru
俄罗斯联邦, Novosibirsk, 630090; Novosibirsk, 630090

E. Kozlova

Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences; Novosibirsk State University

Email: madiva@catalysis.ru
俄罗斯联邦, Novosibirsk, 630090; Novosibirsk, 630090

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