Granulated rhodium catalysts of sodium borohydride hydrolysis for generators of high-purity hydrogen


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Sodium borohydride hydrolysis in a flow reactor with turbulent mixing of reactants in a catalytic bed by the evolving hydrogen bubbles was studied. The stability of catalytic systems decreases in the order 1% Rh/Sibunit > 1% Rh/TiO2 > 1% Rh/γ-Al2O3. The decrease in the hydrogen generation rate is caused by the formation of a metaborate film on the catalyst surface, by the loss of the active component, and by disintegration of support granules and their removal with the flow of the spent liquid. High granule strength and macroporous structure of 1% Rh/Sibunit ensure stable generation of hydrogen.

作者简介

V. Simagina

Boreskov Institute of Catalysis, Siberian Branch; Siberian Institute of Management, Branch of the Russian

Email: netskina@catalysis.ru
俄罗斯联邦, pr. Akademika Lavrent’eva 5, Novosibirsk, 630090; ul. Nizhegorodskaya 2, Novosibirsk, 630102

O. Netskina

Boreskov Institute of Catalysis, Siberian Branch

编辑信件的主要联系方式.
Email: netskina@catalysis.ru
俄罗斯联邦, pr. Akademika Lavrent’eva 5, Novosibirsk, 630090

O. Komova

Boreskov Institute of Catalysis, Siberian Branch

Email: netskina@catalysis.ru
俄罗斯联邦, pr. Akademika Lavrent’eva 5, Novosibirsk, 630090

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