搜索结果: 1-15 共查到“石油与天然气工程 Pt”相关记录23条 . 查询时间(0.203 秒)
Catalytic Wet Oxidation of Phenol Using Regeneration of Pt/Al2O3
Carbonaceous material Wet oxidation Phenol Platinum catalyst Catalyst regeneration
2010/9/8
Removal of phenol by wet air oxidation was conducted with 1 wt% Pt/Al2O3 catalyst in a batch reactor and in a continuous flow fluidized bed reactor with air lift tube operated at 423 K and 1.4 MPa. Af...
Novel Method for Detection of Hydrogen Gas Leak Sites Using Pt/WO3 Imaging Devices
Platinum catalyst Tungsten trioxide Gasochromic reaction Hydrogen leak detector Gas leak visualization
2010/9/8
A detection method of hydrogen leakage locations has been proposed and characterized. Platinum-supported tungsten trioxide (Pt/WO3) was utilized as a sensing material whose color changes from semi-tra...
Hydroconversion of Dimethylpentanes from Methylcyclohexane Using Two Consecutive Reactors Packed with Pt-modified Solid Acid Catalyst and Supported Ir Catalyst
Supported iridium catalyst Ring contraction Ring opening Clean gasoline Consecutive reactors
2010/9/8
Hydroconversion of methylcyclohexane was conducted over various noble metal-loaded catalysts at 493 K and atmospheric pressure. On the bases of the proposed reaction route and the rate of reaction ove...
Catalytic Combustion of Dioxin Analogue Compounds on Pt Supported Zeolite
Dioxin Dibenzofuran Chlorobenzene Catalytic combustion Platinum catalyst Zeolite catalyst
2010/9/8
The catalytic combustion of dibenzofuran and chlorobenzene, model compounds for dioxin, was investigated on Pt supported zeolite catalysts. Among transition metals, such as Pd, Au, Ni, etc., Pt suppor...
Hydrotreatment of Light Cycle Oil over Pt-Pd Supported Catalyst Combined with Ni-Mo Supported Catalyst
Light cycle oil Hydrotreatment Platinum-Palladium catalyst USY zeolite
2009/8/4
Virgin light cycle oil (LCO) derived from the FCC process containing 6090 mass ppm sulfur and 76.1 mass% aromatics, and with cetane index of 26 was refined by hydrotreatment over Ni-Mo supported cata...
Hydroisomerization of n-Hexadecane over Pt/Beta and Pt/USY Zeolite Catalysts
Beta zeolite catalyst Hydroisomerization Acidity Hexadecane
2009/8/4
Bifunctional platinum (0.8 wt%) catalysts containing beta and USY zeolites were tested for the hydroisomerization of n-hexadecane. The Pt/Beta(SiO2/Al2O3 = 40) catalyst with moderate acid strength sh...
Effect of Yb Loading on Aromatic Hydrogenation Activity of Pd-Pt/USY Zeolite Catalysts
Palladium platinum catalyst USY zeolite Ytterbium modification
2009/8/4
A series of bimetallic palladium-platinum (molar ratio Pd : Pt=4 : 1) catalysts supported on ytterbium (Yb)-modified ultrastable Y (USY) zeolite, Pd-Pt/Yb-USY, were prepared and characterized to inve...
Effect of Extraframework Aluminum of USY Zeolite on Sulfur Tolerance of Pd-Pt/USY Catalyst
Extraframework aluminum Delaminated USY zeolite Palladium platinum catalyst
2009/8/4
A series of bimetallic Pd-Pt (mole ratio Pd:Pt=4:1) catalysts supported on ultrastable Y (USY) zeolites and delaminated USY zeolites were prepared and characterized by XRD, 27Al MAS NMR and CO adsorp...
Development of Pt/WO3-ZrO2-Al2O3 Catalyst for Isomerization of Normal Heptane (Part 1) Control of Catalyst Acidity to Improve Isomerization Selectivity
Isomerization Normal heptane Solid super acid Research octane number
2009/7/28
The skeletal isomerization of paraffins is effective in improving the gasoline octane number, and platinum catalyst supported on sulfated zirconia (SZ) has been practically used for light naphtha iso...
Effect of SiO2/Al2O3 Ratio and Crystalline Structure of Zeolite on Hydrogenation and Hydrodesulfurization over Pt-Pd Catalyst Supported on USY Zeolite
Palladium platinum catalyst USY zeolite Desulfurization Hydrogenation
2009/7/27
Effects of the carrier characteristics were studied on the catalytic properties of Pt-Pd-supported USY zeolites in the hydrogenation of tetralin and the hydrodesulfurization of 4,6-dimethyldibenzothio...
Determination of Metal Dispersion of Pt/CeO2 Catalyst by CO-pulse Method
Metal dispersion Platinum catalyst Ceria support Carbon monoxide adsorption
2009/7/24
In order to establish a CO adsorption method for rapid measurement of metal dispersion of catalysts containing CeO2 that disturbs the measurement due to the adsorption of H2 or CO, the effect of redu...
Lowering Combustion Temperature of Carbon Particles on Pt-supported Ceria Series Oxides
Cerium composite oxide Platinum catalyst Diesel particulate filter
2009/7/24
Catalyst-loaded wall-flow type honeycomb is effective for reducing the level of carbon particle emissions from diesel engines. Pt-supported oxides were investigated for the oxidation and reduction of...
Sulfur Tolerance of Pd, Pt and Pd-Pt Catalysts Supported on Amorphous Silica
Noble metal catalyst Silica support Pore diameter Sulfur tolerance Aromatics hydrogenation
2009/7/24
Effect of pore structure of silica support on sulfur tolerance and tetralin hydrogenation activity of Pd, Pt and Pd-Pt catalysts was investigated. Pore diameter of SiO2 supports affected the sulfur t...
Deactivation of Pt/SO42−/ZrO2 Catalyst with Sulfur Compounds and Preventive Measures
Platinum catalyst Sulfated zirconia catalyst Isomerization
2009/7/24
Hydrodesulfurization of feed oil stocks is essential for the industrial isomerization process of light naphtha, because the isomerization catalysts are deactivated by small amounts of sulfur compound...
Pd-impregnated Pt/SO42−/ZrO2-Al2O3 Catalysts for Isomerization of Straight Light Naphtha
Sulfated zirconia alumina catalyst Platinum catalyst Palladium catalyst
2009/7/24
Isomerization of light naphtha containing sulfur compounds was investigated over metal/SO42−/ZrO2-Al2O3 catalysts, and the appearance of sulfur tolerance was discussed using the analysis of the...