搜索结果: 1-14 共查到“有机化学 catalysts”相关记录14条 . 查询时间(0.182 秒)
Hydrogenation of Citral over Ni and Ni-Sn Catalysts
Citral, hydrogenation citronellol Ni Ni-Sn zeolite
2010/4/16
Liquid phase citral hydrogenation over zeolite-supported monometallic Ni and bimetallic Ni-Sn catalysts was studied. The zeolite support materials were Na-Y, Na-mordenite, and clinoptilolite. Ni and S...
Partial regeneration of Ni-based catalysts for hydrogen production via methane cracking part II: modeling and optimization
Thermo catalytic cracking of methane hydrogen filamentous carbon partial regeneration Ni/g-Al2O3 catalyst kinetic modeling estimation of rate constant
2010/4/8
Partial regeneration of Ni-based catalysts for hydrogen production via methane cracking part II: modeling and optimization.
A simple and efficient one-pot multicomponent synthesis of b-acetamido carbonyl compounds with Zn(HSO4)2 and Co(HSO4)2 as catalysts
Darking-West reaction metal catalysis acatamido carbonyl compounds
2010/4/8
Zn(HSO4)2 and Co(HSO4)2 has been used as efficient catalysts for the preparation of b-acetamido carbonyl compounds by Dakin-West reaction.
Comparative study of selective CO oxidation over Pt-Co-M/Al2O3 catalysts (M=Ce, Mg, Mn, Zr, Fe) in hydrogen-rich streams: effects of a second promoter
Selective CO oxidation promoted Pt catalysts Pt-Co/Al2O3 catalyst fuel cell fuel processor
2010/4/8
The selective CO oxidation over Pt-Co/Al2O3 catalyst in hydrogen-rich streams was studied in the presence of Ce, Mg, Mn, Ze, and Fe as the second promoters. The catalysts were prepared using incipient...
Methanol dehydration reaction to produce clean diesel alternative dimethylether over mesoporous aluminosilicate-based catalysts
DME aluminosilicate silicotungstic acid methanol dehydration
2010/4/9
Due to its good burning characteristics and high cetane number, dimethylether (DME) is considered as a highly attractive and clean alternative to diesel fuel. This ether can be produced by methanol de...
Development of Alumina Supported Alkaline Catalysts Used for Biodiesel Production
Biodiesel canola oil heterogeneous catalyst Al2O3 supported catalysts
2010/4/9
The transesterification of canola oil with methanol was studied in a heterogeneous system, using g-Al2O3 supported alkaline catalysts. All the catalysts were prepared by incipient-wetness impregnation...
Water-Gas Shift Reaction over Bimetallic Pt-Ni/Al2O3 Catalysts
Water-gas shift Pt-Ni CO removal high temperature shift (HTS)
2010/4/9
The water-gas shift (WGS) activity of bimetallic Pt-Ni/Al2O3 catalysts was investigated in the temperature range 200-450 °C using an idealized feed composition consisting of 3% CO and 6%-10% H2O. The ...
On the Structure Sensitivity of CO Oxidation on Alumina Supported Pd--Pt Bimetallic Catalysts
CO oxidation bimetallic catalysts palladium platinum surface segregation Monte Carlo simulation
2010/4/9
CO oxidation reaction was studied over monometallic and bimetallic palladium--platinum catalysts at 25:75, 50:50, and 75:25 Pd:Pt atomic fractions co-impregnated over a g -Al2O3 support. The size of t...
Hydrogenation of Citral over Pt and Pt-Sn Catalysts
Citral Pt-Sn hydrogenation unsaturated alcohols citronellal zeolite catalysts
2010/4/13
Hydrogenation of citral on monometallic (Pt) and bimetallic (Pt-Sn) catalysts was investigated. It was found that the catalyst activities and product distributions were different over Na-Y and Clino s...
Partial Regeneration of Ni-Based Catalysts for Hydrogen Production via Methane Cracking
Methane cracking hydrogen filamentous carbon partial regeneration Ni/g-Al2O3 catalyst
2010/4/16
Methane cracking has the potential to produce high purity, carbon monoxide-free hydrogen suitable for application in PEM fuel cells. The 2 products of the reaction are molecular hydrogen and solid car...
Investigation of Biodiesel Production from Canola Oil using Mg-Al Hydrotalcite Catalysts
Biodiesel transesterification Mg--Al hydrotalcite heterogeneous base catalyst
2010/4/16
Biodiesel produced by the transesterification of vegetable oils is a promising alternative fuel to diesel because of limited fossil fuel resources and environmental concerns. The use of heterogeneous ...
Direct Hydrothermal Synthesis of Palladium-Incorporated Silicate-Structured Mesoporous Catalysts
Mesoporous catalysts MCM-41 Pd hydrothermal synthesis reforming
2010/4/16
Pd-Si-structured novel mesoporous nanocomposite catalytic materials, having quite high Pd/Si ratios, were synthesized by an acidic direct hydrothermal synthesis route. The nanocomposite catalytic mate...
Low Temperature CO Oxidation Kinetics over Activated Carbon Supported Pt-SnOx Catalysts
FATMA SOYAL BALTACIOĞ LU BERRİ N GÜ LYÜ Z AHMET ERHAN AKSOYLU ZEYNEP İ LSEN Ö NSAN
2010/4/16
The kinetics of low temperature CO oxidation were studied over sequentially impregnated 1wt%Pt-0.25wt%SnOx supported on HNO3-oxidized activated carbon (AC3) using a wide range of CO (1-10 mol%) and O2...
Hydrothermal Synthesis, Characterization and Photocatalytic Activity of Nanosized TiO2 Based Catalysts for Rhodamine B Degradation
SiO2/TiO2 mixed oxides hydrothermal process photocatalyst rhodamine B photodegradation
2010/4/19
Nanosize crystalline TiO2 and SiO2/TiO2 mixed oxide particles as a photocatalyst for rhodamine B dye (RB) degradation in aqueous media were synthesized by a hydrothermal process at 200 °C. They were c...