SHS and Study of Ni/TiC Catalysts for CO2 Hydrogenation to Methane

Ni/TiC catalysts were produced by SHS from granular Ti + C + Ni mixtures and leaching in NaOH solution followed by stabilization with H 2 O 2 solution of intermetallic precursors prepared by SHS from TiC + (Ni + Al) mixtures. Prepared granular and powder catalysts were characterized by XRD, SEM, EDS...

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Bibliographic Details
Published in:International journal of self-propagating high-temperature synthesis 2022-12, Vol.31 (4), p.230-235
Main Authors: Pugacheva, E. V., Zhuk, S. Ya, Kochetkov, R. A., Seplyarskii, B. S., Borshch, V. N.
Format: Article
Language:English
Subjects:
Aluminum
Carbon dioxide
Catalysts
Catalytic activity
Chemistry and Materials Science
Hydrogen peroxide
Leaching
Materials Science
Mixtures
Nickel
Precursors
Titanium carbide
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Summary:Ni/TiC catalysts were produced by SHS from granular Ti + C + Ni mixtures and leaching in NaOH solution followed by stabilization with H 2 O 2 solution of intermetallic precursors prepared by SHS from TiC + (Ni + Al) mixtures. Prepared granular and powder catalysts were characterized by XRD, SEM, EDS, and BET method. The catalytic activity of catalysts was determined in the temperature range of 150–400°С using the CO 2 + H 2 mixtures with different Н 2 concentration. It was found that catalyst containing 10 wt % Ni leached from precursor with Ni : Al = 1 : 2 possesses the highest hydrogenating activity at 350°С and 20 vol % H 2 .
ISSN:1061-3862
1934-788X
DOI:10.3103/S1061386222040082