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Comparative analysis of cerium incorporation techniques on Ni/Al2O3 catalysts for methane dry reforming: Surface promotion vs. structural support modification

delete2026-08-07
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OA
AI
A
Abdulaziz A.M. Abahussain
S
Saba A. Aladeemy *
S
Salwa B. Alreshaidan
A
Ahmed I. Osman *
D
Dalal A. Alshammari
H
Hamid Ahmed
T
Tahani Saad Algarni
N
Naif Alarifi
G
Gamal H. Al-Shawesh
A
Ahmed A. Ibrahim
A
Ahmed S. Al‐Fatesh *
DOI：10.1016/j.mcat.2026.116242delete
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Abstract

Abstract

En 中文
• Co-impregnated vs. sequential Ce addition on Ni/Al2O3 are directly compared. • Ce incorporation delays NiAl2O4 formation, increasing accessible metallic Ni. • Ce-containing catalysts show less carbon graphitization, resisting coke buildup. • Co-impregnated 1 wt.% Ce gives highest DRM activity. • Sequential Ce impregnation masks Ni sites, lowering activity below Ni/Al2O3.
Keywords:
Dry reforming of methane
Hydrogen production
Promoted and modified Ni/Al2O3 catalysts
Cerium oxide

Journal

Molecular Catalysis cover
Molecular Catalysis
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Canterbury Christ Church University
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king abdulaziz city for science and technology
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