Hydrogenation of CaCO3 to CH4 catalyzed by NiCO3

Hydrogenation of CaCO3 to CH4 catalyzed by NiCO3

•CaCO3 can be hydrogenated to yield CH4 with high selectivity by doping with NiCO3.•NiCO3 doping lowers the temperature and H2 pressure for CaCO3 hydrogenation.•0.50% NiCO3 converts 99.0% CaCO3 to CH4 at a PH2 of 0.05 MPa and T > 640 K.•NiCO3 forms highly dispersed Ni at T 

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Veröffentlicht in:Chemical engineering journal (Lausanne, Switzerland : 1996) Switzerland : 1996), 2024-04, Vol.485, p.150012, Article 150012
Hauptverfasser: Shi, Sulong, Zhang, Yuxi, Pan, Yue, Liu, Xin, Zhang, Fuhong, Yang, Hongyuan, Liu, Qingya, Liu, Zhenyu
Format: Artikel
Sprache:eng
Schlagworte:
CaCO3 hydrogenation
CH4
NiCO3 catalyst
Shrinking core kinetics model
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Zusammenfassung:•CaCO3 can be hydrogenated to yield CH4 with high selectivity by doping with NiCO3.•NiCO3 doping lowers the temperature and H2 pressure for CaCO3 hydrogenation.•0.50% NiCO3 converts 99.0% CaCO3 to CH4 at a PH2 of 0.05 MPa and T > 640 K.•NiCO3 forms highly dispersed Ni at T 
ISSN:1385-8947
DOI:10.1016/j.cej.2024.150012