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Fischer-Tropsch Synthesis on Ru/Mn/Al2O3 Catalysts: Effects of Manganese Loading
Manganese loading Ruthenium catalyst Catalyst activity Deactivation rate Fischer-Tropsch synthesis
2010/9/8
A series of Ru/Mn/Al2O3 catalysts with different concentrations of manganese were investigated on catalyst characterization and activity for Fischer-Tropsch synthesis in a continuous stirred tank reac...
Effects of Ruthenium Precursors on Ru/Mn/Al2O3 and Ru/Al2O3 Catalysts for Fischer-Tropsch Synthesis
Ruthenium precursor Ruthenium catalyst Fischer-Tropsch synthesis Catalyst activity Deactivation rate
2010/9/8
Ru/Mn/Al2O3 and Ru/Al2O3 catalysts, which prepared with various ruthenium precursors into impregnation method, were investigated for Fischer-Tropsch (FT) synthesis in a continuous stirred tank reactor...
Effects of Asphaltene Deposition on Oil Reservoir Characteristics Including Two-phase Flow
Asphaltene deposition Reservoir modeling Network modeling Water breakthrough
2009/8/4
Prediction of the effects of asphaltene deposition on oil reservoir parameters during water flooding was investigated in two scenarios of oil production wells with controlled oil rate and controlled ...
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 Sound-wave Irradiation on Decomposition of Carbon Dioxide in DC-pulse Discharge Field
Discharge plasma Sound wave Carbon dioxide Decomposition DC pulse discharge
2009/8/4
The effects of sound-wave irradiation were investigated on the decomposition of carbon dioxide in a discharge plasma. Discharge plasma supplies high local energy levels, as charged medium particles, ...
Effects of Surface Modification of H-ZSM-5 Catalysts on Direct Transformation of Ethanol into Lower Olefins
Ethanol Propylene Direct synthesis Lanthanum modified H-ZSM-5
2009/8/4
Various H-ZSM-5 catalysts were assessed for ethanol conversion into lower olefins. Ethanol was converted to lower olefins over H-ZSM-5 catalyst without modification. The selectivities for ethylene an...
Effects of Ru Precursors on Activity of Ru-SiO2 Catalysts Prepared by Alkoxide Method in Fischer-Tropsch Synthesis
Alkoxide method Fisher-Tropsch reaction Ruthenium precursor
2009/8/4
Ru-SiO2 catalysts with uniform structure were prepared by the alkoxide method using various Ru precursors, and used to catalyze the Fischer-Tropsch (F-T) synthesis in the slurry phase under the react...
Effects of Small Amounts of Nitrogen Compounds in Feedstock on Performance of Hydrocracking Catalyst
Vacuum gas oil Hydrocracking Poisoning Ammonia Carbazole
2009/8/4
Poisoning by very small amounts of nitrogen compounds was investigated for the catalysts for two types of hydrocracking processes. Nitrogen-free vacuum gas oil was used as feedstock with carbazole an...
Effects of Molar Ratio, Catalyst Concentration and Temperature on Transesterification of Triolein with Ethanol under Ultrasonic Irradiation
Triolein Ethanol Ultrasonic irradiation Biodiesel Base catalyst
2009/7/28
The transesterification of triolein with ethanol to make biodiesel fuel was investigated under ultrasonic irradiation to evaluate the effects of the amount of base catalyst (NaOH or KOH), molar ratio ...
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 Well Arrangement on Characterization of Discrete Fracture Systems by Inverse Analysis of Tracer Tests
Tracer test Fracture system Inverse analysis Boundary element method
2009/7/28
Of interest in this study are the effects of well arrangement on the characterization of distributed multiple fractures through tracer tests. Numerical experiments with 1000 fracture-system realizati...
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 ...
Effects of Film Thickness, Wavelength, and Carbon Black on Photodegradation of Asphalt
Asphalt Photodegradation Ultraviolet irradiation Film thickness
2009/7/24
Focusing on sunlight that has severe effects on the degradation of asphalt pavement during service, this study examined the relationships between the film thickness of asphalt and the states of photo...
Reinforcing Effects of Carbon Black on Asphalt Binder for Pavement
Asphalt binder Reinforcement Carbon black SHRP
2009/7/24
Carbon black, used as a reinforcing filler for rubber materials, was evaluated for asphalt binders in pavements. Carbon black added to straight asphalt within 20 wt% caused an increase in the elastic...
Effects of trans-1,2-Cyclohexanediamine-N,N,N',N'-tetraacetic Acid Addition on 1-Octene Hydrogenation Activity and Surface Structure of CoMo/Al2O3 Catalyst
1-Octene hydrogenation trans-1,2-Cyclohexanediamine
2009/7/24
The present study investigated the effects of trans-1,2-cyclohexanediamine-N,N,N',N'-tetraacetic acid (CyDTA) addition on the 1-octene hydrogenation activity and surface structure of CoMo/Al2O3 catal...