Origin of catalytic activity in sponge Ni catalysts for hydrogenation of carbonyl compounds

Abstract

hydrogenation, where the activity is dependent on the C affinity of the catalysts. It is thus suggested that should one desire to selectively hydrogenate a carbonyl group in the presence of an alkene then the use of early transition metal dopants may facilitate this selectivity. Alternatively, one could use a dopant that is able to reduce the affinity for C but maintains a high O affinity. The origin of the activity change due to doping is shown to be the intrinsic electronic structure of the dopant rather than a perturbation of the lattice constant due to the dopant atom.

Supercritical Water Gasification as Treatment for High Lipid Content Biomass in the Presence of Nickel Catalyst

“…We used canola oil, which is one of the widely used cooking oils as the representative lipid biomass. We employed the granular sponge nickel catalyst which is known to be active in assisting hydrogenation reaction (Azadi and Farnood, 2011;Jones, 2015). Likewise, nickel catalyst is relatively cheaper than noble metal catalysts, hence its use o ers an advantage in lowering the cost of the SCWG process.…”