搜索结果: 1-8 共查到“工学 Hydrodesulfurization catalyst”相关记录8条 . 查询时间(0.078 秒)
Characterization of Co-Mo/Al2O3 Hydrodesulfurization Catalyst by 129Xe NMR Spectroscopy
129Xe NMR Cobalt molybdenum catalyst Sulfidation Co-Mo-S phase
2009/8/4
The present study evaluated 129Xe NMR spectroscopy for the analysis of Co-Mo/Al2O3 hydrodesulfurization catalyst. This study also reconsidered the conventional interpretation of 129Xe NMR spectroscop...
Oxidative Regeneration of Resid Hydrodesulfurization Catalyst —Effect of Vanadium Accumulation on Properties and Activities of Regenerated Catalyst—
Oxidative regeneration Resid hydrodesulfurization Hydrodemetallation
2009/7/28
Resid hydrodesulfurization catalyst was regenerated after commercial operation and the effect of vanadium accumulation during resid hydrotreating reaction on the following catalyst regeneration was i...
Application of 129Xe NMR Spectroscopy to Analysis of Co-Mo/Al2O3 Hydrodesulfurization Catalyst —Effect of Sulfidation on 129Xe NMR Spectra—
129Xe NMR Cobalt molybdenum catalyst Sulfidation Peak broadening
2009/7/28
The effect of sulfidation on 129Xe NMR spectra of Co-Mo/Al2O3 hydrodesulfurization catalysts was investigated. Before sulfidation, catalysts containing cobalt such as Co/Al2O3 and Co-Mo/Al2O3 showed ...
129Xe NMR Analysis of Mo/Al2O3 Hydrodesulfurization Catalyst
129Xe NMR Molybdenum alumina catalyst Molybdenum sulfide crystallite
2009/7/27
129Xe NMR (nuclear magnetic resonance), a useful analytical tool for the investigation of zeolite pores, was evaluated as a novel technique for the analysis of active sites on Mo/Al2O3 hydrodesulfuri...
129Xe NMR Analysis of Mo/Al2O3 Hydrodesulfurization Catalyst (Part 2) Effect of Cobalt Addition
129Xe NMR Molybdenum alumina catalyst Sulfurization Cobalt addition
2009/7/24
The effect of cobalt addition on Mo/Al2O3 hydrodesulfurization catalyst was investigated by 129Xe NMR. Both the amount of adsorbed xenon and the peak width of 129Xe NMR were almost constant at variou...
Effect of Polyethylene Glycol Addition on NiO-MoO3/Al2O3 and NiO-MoO3-P2O5/Al2O3 Hydrodesulfurization Catalyst
Nickel molybdenum catalyst Phosphorus Hydrodesulfurization Polyethylene glycol
2009/7/24
Addition of polyethylene glycol (PEG) as a water soluble organic compound to the impregnation solution during catalyst preparation was investigated to improve NiO-MoO3/Al2O3 and NiO-MoO3-P2O5/Al2O3 h...
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...
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...