搜索结果: 1-15 共查到“工学 hydrogenation”相关记录35条 . 查询时间(0.073 秒)
郭新闻论文成果：A combined experimental and DFT study of H2O effect on In2O3/ZrO2 catalyst for CO2 hydrogenation to methanol
CO2 hydrogenation Methanol In2O3/ZrO2 catalyst Water effect Oxygen vacancies Density functional theory (DFT) Reaction mechanisms
2023/3/6
CO2 hydrogenation with renewable energy is one of the promising approaches to mitigate CO2 emissions and produce sustainable chemicals and fuels. The effect of adding H2O in the feed gas on the activi...
Heterogeneous catalytic hydrogenation is of significant importance for the production of pharmaceuticals, nutraceuticals, flavours and fragrances, agrochemicals and fine chemicals. Indeed, an average ...
Liquid Phase Hydrogenation of Nitrobenzene over Nickel Supported on Titania（图）
hydrogenation nitrobenzene nickel titania aniline
2013/10/5
The catalytic hydrogenation of nitrobenzene to aniline employing nickel impregnated on rutile, anatase, and high surface area titania supports has been investigated. The nickel is present in elemental...
Liquid Phase Hydrogenation of Benzalacetophenone: Effect of Solvent, Catalyst Support, Catalytic Metal and Reaction Conditions（图）
chalcone hydrogenation porous glass supported catalyst
2013/10/12
Innovative catalysts based on a “porous glass” support material were developed and investigated for the reduction of benzalacetophenone. The easy preparation conditions and possibility to use differen...
Rh/ZnO-Al2O3 Catalysts for Selective Hydrogenation of Crotonaldehyde（图）
rhodium-based catalyst crotonaldehyde hydrogenation zinc oxide selectivity
2013/10/12
Gas phase hydrogenation of crotonaldehyde was performed over 1 wt% Rh/ZnO-Al2O3 catalysts with various Zn/Rh atomic ratios. Monometallic Rh/Al2O3 was also prepared for comparison. The samples were pre...
Hydrogenation of Olefins Catalyzed by Polymer-Supported Palladium-Imidazole（图）
polymer-supported palladium-imidazole catalyst cyclohexene relative reactivity sequential hydrogenation recycling efficiency
2013/10/15
A polymer-supported palladium-imidazole catalyst was used to catalyze the hydrogenation of various olefins under mild conditions. The rate of hydrogenation was studied. The effects of factors such as ...
氢化大豆卵磷脂Pd/C催化剂制备工艺优化（Preparation Process Optimization of Pd/C Catalysts for Hydrogenation Soy Lecithin）
大豆卵磷脂 氢化 Pd/C催化剂 制备
2010/12/28
应用浸渍法制备Pd/C催化剂，以大豆卵磷脂氢化反应前后碘值的变化作为指标，考察了制备条件对Pd/C活性的影响，并借助透射电镜的表征手段分析催化剂的形貌变化。结果表明，制备大豆卵磷脂氢化Pd/C催化剂的优化工艺为：原料炭经10%硝酸预处理后，在40℃的3.5mg/mL H2PdCl4溶液中浸渍2h，在30%甲醛、还原温度80℃、pH值1～2的条件下还原5h，并经80℃真空干燥获得成品。催化剂P...
Effect of Pd/TiO2–Al2O3 Catalyst Support on Naphthalene Hydrogenation in the Presence of CO
Chemical hydride method Naphthalene hydrogenation Adsorbed carbon monoxide Palladium catalyst Titania alumina support
2010/9/8
Hydrogenation of naphthalene in the presence of CO was examined as a step in the organic hydride method for utilizing low grade hydrogen. Development of CO-tolerant hydrogenation catalysts will allow ...
Oxidative Degradation Behavior of Fatty Acid Methyl Ester in Fish Oil Biodiesel and Improvement of Oxidation Stability by Partial Hydrogenation
Biodiesel Fish oil Oxidation stability Sludge Hydrogenation Noble metal catalyst
2010/9/8
Waste cooking oil contaminated with fish oil has potential uses as a biodiesel fuel feedstock. The changes in properties of fish oil fatty acid methyl ester (FAME) caused by oxidation were first evalu...
Support Effect of Palladium Catalysts for Naphthalene Hydrogenation as Model Hydrogen Storage Process Using Low Grade Hydrogen Containing CO
Organic hydride method Naphthalene hydrogenation Carbon monoxide poisoning
2009/8/4
The organic hydride method utilizes the reversible hydrogenation-dehydrogenation cycle of aromatic hydrocarbons for the storage and transportation of hydrogen. If low-grade hydrogen containing CO imp...
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...
Catalytic Hydrogenation of 2-Butyne-1,4-diol: Activity, Selectivity and Kinetics Studies
Selective hydrogenation 2-Butyne-1,4-diol 2-Butene-1,4-diol
2009/8/4
The reaction pathway for hydrogenation of 2-butyne-1,4-diol involves parallel and consecutive isomerization as well as hydrogenation reactions forming other side products along with cis-2-butene-1,4-...
Gold Catalysts for Olefin Hydrogenation.
Identification of Active Sites and Influence of Real Structure of Gold Catalysts in the Selective Hydrogenation of Acrolein to Allyl Alcohol
Gold Catalysts Selective Hydrogenation
2009/7/29
We have successfully employed oxide supported gold
catalysts in the gas-phase hydrogenation of acrolein, the
,-unsaturated aldehyde being most difficult to
hydrogenate at the carbonyl group. The ...
Supported gold catalysts for selective hydrogenation of 1,3-butadiene in the presence of an excess of alkenes
gold ceria titania alumina zirconia reducibility
2009/7/28
Supported gold catalysts were investigated in the
selective gas phase hydrogenation of 1,3-butadiene in
an excess of propene (0.3% butadiene, 30% propene
and 20% hydrogen), in order to simulate the...