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Adsorptive Removal of t-Butanethiol Using Metal Ion-exchange Y Type Zeolite under Ambient Conditions
Adsorptive removal t-Butanethiol Y type zeolite Silver ion exchange Copper ion exchange Ambient adsorption
2010/9/8
Adsorptive removal of t-butanethiol (TBT), an odorant additive, from city gas was carried out using metal ion-exchange Y type zeolites at ambient temperature and pressure. The adsorption capacity of T...
Conditions of Supercritical Water for Good Miscibility with Heavy Oils
Supercritical water Heavy oil Dielectric constant Solubility parameter
2010/9/8
Through comparisons of dielectric constant (ε) and Hansen solubility parameter (HSP) of supercritical water (SCW) with those of typical solvents, conditions of SCW which has good miscibility with heav...
Preparation of Silica-supported Nickel Catalyst by Fume Pyrolysis: Effects of Preparation Conditions of Precursory Solution on Porosity and Nickel Dispersion
Fume pyrolysis Sol-gel method Nickel catalyst Microporous silica support
2009/7/27
Ni/SiO2 catalysts were prepared by fume pyrolysis of Ni-silica sols prepared under different conditions, and the porosities and Ni dispersions were evaluated by comparison with catalysts prepared by ...
Measurement of Vacuum Residue and Asphaltene Fluid Properties at Process Conditions
Fluid property Surface tension Viscosity Contact angle
2009/7/24
The fluid properties of interfacial tension and viscosity, and the fluid-solid interactions embodied in the contact angle, are important in a wide range of phenomena that affect the processing of the...
Deformation Properties of Asphalt Mixture on Various Loading Conditions for Wheel Tracking Test
Asphalt mixture Wheel tracking test Loading condition Reciprocating motion
2009/7/24
The movement characteristics of aggregates in asphalt mixtures were investigated with wheel tracking tests under the following loading conditions: reciprocating motion, one-way motion, and one-way mot...
Involvement of Asphaltene Decomposition in the Rapid Deactivation of Hydrodesulfurization Catalysts under Conditions for Deep Desulfurization of Atmospheric Residue
Hydrodesulfurization catalyst Atmospheric residue hydrotreating
2009/7/24
The effect of asphaltene (ASP) decomposition on catalyst deactivation under deep desulfurization conditions was investigated by reduction of sulfur from 0.3 to 0.1 mass% in a treated atmospheric resi...
Experimental and Modeling Studies for Gas-liquid Two-phase Flow at High Pressure Conditions
High pressure condition Large diameter pipe Flow pattern Pressure drop
2009/7/24
Experimental and model studies were performed on two-phase flow behavior at high-pressure conditions. The experiments were conducted using nitrogen and water in a test loop of 106.4 mm diameter pipe ...
Measurement of heat generation in drill bits under simulated drilling conditions and estimation of temperatures in drill bits during drilling
heat generation in tri-cone bits cooling effect by circulation fluid
2009/4/24
In high-temperature formation drilling, the life of drill bits becomes shorter due to thermal damage to the O-ring seal set in the bearing part. An increase in the formation temperature has been rega...