CO2 methanation over Ni-promoted mesostructured silica nanoparticles: Influence of Ni loading and water vapor on activity and response surface methodology studies

• Published in: Chemical engineering journal (Lausanne, Switzerland : 1996) Vol. 260; pp. 757 - 764
• Main Authors: Aziz, M.A.A., Jalil, A.A., Triwahyono, S., Saad, M.W.A.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.01.2015
• Subjects: Basic sites; CO2 methanation; Ni/MSN; Response surface methodology (RSM); Water vapor; CO2 methanation; Ni/MSN; Water vapor; Response surface methodology (RSM); Basic sites

[Display omitted] •CO2 methanation is dependence to the Ni loading (1–10wt.%) on MSN.•The order of reaction activity was 10Ni/MSN≈5Ni/MSN>3Ni/MSN>1Ni/MSN.•0.5vol% water vapor in the feed gave a negative effect on the CO2 methanation.•Water vapor suppressed carbonyl species on the surface of Ni...