Nickel–Promoted Molybdenum or Tungsten Carbides as Catalysts in Dry Reforming of Methane: Effects of Variation in CH4/CO2 Molar Ratio

Nickel–Promoted Molybdenum or Tungsten Carbides as Catalysts in Dry Reforming of Methane: Effects of Variation in CH4/CO2 Molar Ratio

Ni–Mo 2 C and Ni–WC were evaluated in dry reforming of methane employing different CH 4 /CO 2 ratios. Ni–Mo 2 C remained active under an excess of CH 4 , but deactivation occurred under an excess of CO 2 . Ni–WC was resistant to excess of CO 2 but showed carbon deposition under excess of CH 4 . Grap...

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Veröffentlicht in:Catalysis letters 2021-06, Vol.151 (6), p.1578-1591
Hauptverfasser: Barbosa, Renato Dias, Baldanza, Maria Auxiliadora Scaramelo, de Resende, Neuman Solange, Passos, Fabio Barboza, da Silva, Victor Luis dos Santos Teixeira
Format: Artikel
Sprache:eng
Schlagworte:
Carbon dioxide
Catalysis
Chemistry
Chemistry and Materials Science
Industrial Chemistry/Chemical Engineering
Methane
Molybdenum carbide
Nickel
Organometallic Chemistry
Physical Chemistry
Reforming
Tungsten carbide
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Zusammenfassung:Ni–Mo 2 C and Ni–WC were evaluated in dry reforming of methane employing different CH 4 /CO 2 ratios. Ni–Mo 2 C remained active under an excess of CH 4 , but deactivation occurred under an excess of CO 2 . Ni–WC was resistant to excess of CO 2 but showed carbon deposition under excess of CH 4 . Graphic Abstract
ISSN:1011-372X
1572-879X
DOI:10.1007/s10562-020-03420-8