A series of activated carbons was prepared from coconut shell impregnated with phosphoric acid using a one-step carbonization procedure and varying conditions in order to optimize …
F Severino, JL Brito, J Laine, JLG Fierro, AL Agudo - Journal of Catalysis, 1998 - Elsevier
Unsupported copper-aluminum and copper-chromium oxides were prepared by mixing solutions of the nitrates and calcining at 1223 K, followed by treatment with washing …
Hydrotreating processes in petroleum refining were introduced more than 50 years ago for the removal of sulfur and nitrogen. The sulfided cobalt-molybdenum catalyst, together with …
L Qu, W Zhang, PJ Kooyman, R Prins - Journal of Catalysis, 2003 - Elsevier
1H MAS NMR, 1H spin-echo MAS NMR with Al irradiation, 29Si MAS NMR, and 1H→ 29Si CP MAS NMR were used to investigate the deposition of Mo and Ni species on the surface …
The thermochemical conversion of lignocellulosic biomass including lignin leads to the generation of a complex mixture of oxygenated aromatic monomers. Further processing of …
Temperature-programmed reduction (TPR) has been employed to study Ni-Mo mixed oxides which were previously used as model hydrodesulphurization (HDS) catalysts, using …
S Sepehri, M Rezaei, G Garbarino, G Busca - International journal of …, 2016 - Elsevier
Mesoporous nanocrystalline γ-Al 2 O 3 powder with high specific surface area (> 220 m 2/g) was prepared by a “solid state” method and employed as the support for nickel catalysts. Ni …
JR Regalbuto, JW Ha - Catalysis letters, 1994 - Springer
Experiments in which bulk MoO 3 has been diluted in silica or alumina reveal a “corrected” TPR pattern in which the bulk oxide reduces at the same temperature as the supported …
A Alsalme, N Alzaqri, A Alsaleh, MRH Siddiqui… - Applied Catalysis B …, 2016 - Elsevier
NiMo/SiO 2 hydrodesulfurization catalyst prepared through the polyoxometalate route using Keggin type phosphomolybdates has high activity in HDS of thiophene at 350–400° C and 1 …