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Effects of Pore Size of Ru-Al2O3 Catalysts Prepared by Alkoxide Method on Fischer-Tropsch Reaction
Alkoxide method Fischer-Tropsch reaction Particle size Pore size
2009/8/4
10 wt%Ru-Al2O3 catalysts with uniform pore sizes in the range of 3-7 nm were prepared by the alkoxide method by changing the added amount of H2O highly diluted with butanol at the gelation stage of s...
Effects of Pore Size of Ru-SiO2 Catalysts Prepared by Alkoxide Method on Fischer-Tropsch Reaction
Alkoxide method Fischer-Tropsch reaction Particle size
2009/7/28
Uniform pore sizes of 10 wt%Ru-SiO2 catalysts prepared by the alkoxide method were varied in the range of 4-8 nm, by adding formamide (FA) at the sol-gel preparation stage. The prepared catalysts were...
Effects of Asphaltene Content in Atmospheric Residue and Mean Pore Size of Catalyst on Initial Deactivation of Hydrodesulfurization Catalyst
Hydrotreating Atmospheric residue Catalyst deactivation rate
2009/7/24
(HDS) of atmospheric residue (AR) over Ni-Co-Mo catalysts supported on γ-alumina was carried out to examine the effect of alumina pore size on HDS activity, hydrodemetallization (HDM) activity and ini...
Effects of Loading Order of Catalyst with Different Pore Structures in Residue Hydrotreating Process
Atmospheric residue Hydrotreating Catalyst loading order Sludge
2009/7/24
The activities of two combinations of three catalysts with different mean pore sizes were examined in the residue hydrotreating process. Packing of catalysts in the order of large to small pores enha...
Estimation of Coke and Metal Deposition Distribution within Hydrodesulfurization Catalyst Pore at the Last Stage of Operation
Hydrodesulfurization Model equation Thiele modulus Metal distribution estimation
2009/7/24
Hydrodesulfurization (HDS) of atmospheric residue (AR) carried out over Ni-Mo or Co-Mo catalyst requires a sudden increase in the reaction temperature for the desired desulfurization at the end of op...
Bimodal Porous Silica Prepared by Pore-filling of Silica Sol
Bimodal pore structure BET surface area Pore volume
2009/7/23
A silica with bimodal pore structures was prepared by a simple method of introducing silica sol into the controlled large pores of original silica gel. The pores of the bimodal pore silica were distr...
Accounting for Interpreted Well Test Pore Volumes in Reservoir Modeling
Reservoir Modeling Optimal
2008/10/27
Optimal reservoir management requires reliable reservoir performance forecasts with as little uncertainty as possible. There is a need for improved techniques for dynamic data integration to construct...
Application of the Adsorbate Pore Filling Correction Model to Diffusion of Ethanol Vapours in Activated Carbon
diffusion mass transfer ethanol activated carbon
2010/8/11
The model of adsorbate pore filling correction was applied to describe ethanol vapour diffusion from a stream of air in particles of activated carbon. The calculated values of pore diffusivity ' AB D ...