搜索结果: 1-12 共查到“石油与天然气工程 ZrO2”相关记录12条 . 查询时间(0.062 秒)
Oxidative Cracking of Aromatic Compounds Related to Lignin Constituents with Steam Using ZrO2–Al2O3–FeOx Catalyst
Iron oxide catalyst Biomass Lignin-constituent aromatic Phenol Oxidative cracking
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2010/9/8
The catalytic activity of iron oxide composite catalyst (ZrO2–Al2O3–FeOx) was investigated for converting aromatic compounds derived from plant biomass into useful aromatics. Catalytic cracking of lig...
Steam Reforming of Dimethyl Ether over Cu/ZnO/ZrO2 and γ-Al2O3 Mixed Catalyst Prepared by Extrusion
Dimethyl ether Steam reforming Hydrogen production Copper zinc catalyst
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2009/8/4
Steam reforming of dimethyl ether, DME, over Cu/ZnO/ZrO2 and γ-Al2O3 mixed catalysts prepared by the extrusion technique was investigated. The catalysts were characterized by BET, pore-size distribut...
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
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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...
Steam Reforming Reaction of Biomass-derived Substances over Nanoporous Ru/ZrO2 Catalysts (Part 1) Steam Reforming Reaction of Acetic Acid
Ruthenium catalyst Mesoporous zirconia support Acetic acid Steam reforming reaction
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2009/7/27
To develop a gasification process for biomass, the steam reforming reaction of acetic acid, which is one of the major components of bio-oil, was carried out using Ru catalyst supported on zirconia pr...
Isomerization of Light Naphtha over Sulfur Tolerant Pd/SO42W22;/ZrO2-Al2O3 Catalyst
Sulfated zirconia catalyst Palladium catalyst Light naphtha
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2009/7/24
Isomerization of organic sulfur containing light naphtha was studied over metal sulfated zirconium catalyst. Even in the presence of sulfur compounds, Pd/SO42W22;/Zr02-Al2O3 catalyst indicated th...
Deactivation of Pt/SO42W22;/ZrO2 Catalyst with Sulfur Compounds and Preventive Measures
Platinum catalyst Sulfated zirconia catalyst Isomerization
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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/SO42W22;/ZrO2-Al2O3 Catalysts for Isomerization of Straight Light Naphtha
Sulfated zirconia alumina catalyst Platinum catalyst Palladium catalyst
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2009/7/24
Isomerization of light naphtha containing sulfur compounds was investigated over metal/SO42W22;/ZrO2-Al2O3 catalysts, and the appearance of sulfur tolerance was discussed using the analysis of the...
Hydrogenation of Dicarboxylic Acid Diesters to Corresponding Dialdehydes over ZrO2 Based Catalysts (Part 2) Analysis of Catalyst Surface Using Diffuse Reflectance FT-IR and CP/MAS 13C-NMR Spectroscopy
Diester hydrogenation Zirconia catalyst FT-IR Reaction mechanism
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2009/7/24
The adsorption species on ZrO2 or Cr-ZrO2 catalyst in the hydrogenation of dimethyl benzenedicarboxylates as well as benzoic acid were characterized by diffuse reflectance FT-IR and CP/MAS 13C-NMR spe...
Hydrogenation of Dicarboxylic Acid Diesters to Corresponding Dialdehydes over ZrO2 Based Catalysts (Part 1) Reactivity of Various Dicarboxylic Acid Diesters
Diester Hydrogenation Dialdehyde Zirconia catalyst Modified zirconia
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2009/7/24
Dimethyl terephthalate was hydrogenated over ZrO2 catalyst in the vapor phase to form terephthalaldehydic acid methyl ester and terephthalaldehyde as the major products. The reactivity of the three r...
摘要采用溶胶凝胶－超临界干燥的方法制备了NiO/CuO-ZrO2催化剂，分别考察了焙烧温度、活性组分含量对催化剂甲烷燃烧性能的影响，并利用XRD、物理吸附等手段考察了两个参数对催化剂性能影响的本质原因，发现NiO/CuO-ZrO2催化剂具有较高的催化活性，较好的高温（1 000 ℃）反应稳定性，焙烧温度对催化剂的影响很大，500 ℃是合适的焙烧温度，通过试验发现活性组分NiO为5 mol％时催化剂...
NiO/SnO2-ZrO2催化剂的制备及甲烷燃烧催化性能的研究
甲烷 催化燃烧 氧化锆基催化剂
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2008/3/2
摘要利用正交分析，通过溶胶凝胶－超临界干燥及复合浸渍的方法制备了NiO/SnO2-ZrO2催化剂，进行了活性评价，考察了前驱物、NiO、SnO2含量及制备方法对催化剂活性及稳定性的影响，并采用XRD、TEM对催化剂进行了表征分析，结果表明：NiO/SnO2-ZrO2催化剂具有良好的甲烷燃烧催化性能（t100%=640 ℃），其活性、稳定性与制备参数密切相关，其中NiO含量是影响催化剂活性、稳定性的...