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Статья
2020

Low-Temperature Conversion of ortho-Hydrogen to para-Hydrogen over Ni/Al2O3 Supported Catalysts


A. V. ZhuzhgovA. V. Zhuzhgov, O. P. KrivoruchkoO. P. Krivoruchko, L. A. IsupovaL. A. Isupova
Российский журнал физической химии А
https://doi.org/10.1134/S0036024419120379
Abstract / Full Text

Comparative studies of Ni/Al2O3 catalysts during the low-temperature conversion of ortho-hydrogen to para-hydrogen are performed. Industrial alumina of A-64 grade, obtained via precipitation (OAPP-1), and alumina obtained via thermal activation (without coprecipitation) (OAPP-2), are used as the substrates. The volumetric reaction rate constants of 8 ± 1% Ni/OAPP-1 and 8 ± 1% Ni/OAPP-2 catalysts prepared on the basis of these substrates during low-temperature ortho–para conversion (OPC) are 2.2 × 10−3 and 2.4 × 10−3 mol cm−3 s−1, respectively, allowing the use of a more environmentally attractive substrate in preparing the catalyst.

Author information
  • Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, RussiaA. V. Zhuzhgov, O. P. Krivoruchko & L. A. Isupova
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