搜索结果: 1-12 共查到“工学 catalytic activity”相关记录12条 . 查询时间(0.125 秒)
Upgrading catalytic activity of NiO/CaO/MgO from natural limestone as catalysts for transesterification of coconut oil to biodiesel
Biodiesel Limestone Methyl ester PEG Vegetable oil
2023/12/19
Limestone was converted to high surface area CaO/MgO catalysts via calcination-hydration-dehydration (CHD) method for transesterification of coconut oil to biodiesel. Thermal?decomposition?at 900 degr...
Synthesis, structural analysis and evaluation of the catalytic activity of a non-symmetric N-(salicylidene)diethylenetriamine complex of copper(II)（图）
Crystal structure Copper(II) complex Non-symmetric Schiff base Catalyst Hydrogen peroxide
2013/9/26
A new copper(II) complex of a non-symmetric Schiff base, [CuII(saldien)(H2O)]+ (1), has been synthesized and characterized by elemental analysis and several other spectroscopic methods (Hsaldien = N-(...
Microwave Assisted Sol-Gel Synthesis of MgO Nanoparticles and Their Catalytic Activity in the Synthesis of Hantzsch 1,4-Dihydropyridines（图）
magnesium oxide microwave-assisted sol-gel method nanoparticle Hantzsch 1,4-dihydropyridine
2013/10/5
A microwave-assisted sol-gel method was employed for the preparetion of nano-sized MgO particles using Mg(NO3)2·6H2O as precursor and deionized water as solvent. The sample calcined at 500 °C had a hi...
Catalytic Activity of Dual Metal Cyanide Complex in Multi-component Coupling Reactions（图）
dual metal cyanide multi-component coupling reaction acid catalyst
2013/10/11
Several dual metal cyanide catalysts were prepared from potassium ferrocyanide, metal chloride (where metal = Zn2+, Mn2+, Ni2+, Co2+ and Fe2+), t-butanol (complexing agent) and PEG-4000 (co-complexing...
Synthesis, Characterization, and Catalytic Activity of Nanocrystalline La1-xEuxFeO3 during the Combustion of Toluene（图）
perovskite sol-gel europium volatile organic compounds catalytic oxidation
2013/10/12
Nanostructured LaFeO3 and substituted La1-xEuxFeO3 (x = 0.1, 0.15, and 0.2) perovskites were synthesized by sol-gel auto-combustion and their activities during the combustion of toluene were evaluated...
Additive Effect of Mn on Catalytic Activity of Ru/Al2O3 for Fischer-Tropsch Synthesis
Manganese addition Ruthenium catalyst Fischer-Tropsch synthesis
2009/8/4
Ru/Al2O3 catalyst was investigated by using Mn addition for Fischer-Tropsch synthesis under pressurized conditions. On the basis of catalyst activity, selectivity and deactivation, small amount of Mn...
Oxidation of Ethane over Silicomolybdic Acid Catalysts: Catalytic Activity for Homogeneous and Heterogeneous Pathways
Ethane oxidation Silicomolybdic acid Molybdenum oxide catalyst
2009/7/28
Ethane oxidation was examined over silica supported silicomolybdic acid (SMA) catalysts under conditions described as excellent for partial oxidation to investigate the catalytic activities in the pr...
Development of Hydrodesulfurization Catalysts Using Molybdenum Complex with Molybdenum-sulfur Bonds (Part 1) Effect of Activation Method on Catalytic Activity
Hydrodesulfurization Dibenzothiophene Molybdenum dithiocarbamate
2009/7/24
The catalytic precursors of alumina-supported molybdenum dithiocarbamate (Mo-DTC) and molybdenum dithiophosphate (Mo-DTP) were assessed as catalysts for hydrodesulfurizastion (HDS). The effect of the...
Catalytic Activity of Iron Oxides Supported on γ-Al2O3 for Methane Oxidation
Iron oxide catalyst Goethite Hematite catalyst Alumina support
2009/7/24
Three kinds of catalysts of goethites supported on γ-Al2O3 (Fe/γ-Al2O3), SiO2-Al2O3 (Fe/SiO2-Al2O3) and SiO2 (Fe/SiO2) were investigated in terms of the catalytic activity of methane oxidation. The sp...
Activity and Surface Structure of Sulfided NiW/Al2O3 Catalyst: Effects of Chelating Agents on the Catalytic Activity for the Hydrogenation of Tetralin and o-Xylene
Tetralin hydrogenation Xylene hydrogenation Nickel tungsten catalyst
2009/7/24
The present study investigated the effects of chelating agents on the aromatic hydrogenation activity and the surface fine structure of NiW/Al2O3 catalyst. NiW/Al2O3 catalyst was prepared from impreg...
Promotion of Catalytic Activity and Suppression of Deactivation by Solvent Addition in the Hydrotreating of Atmospheric Residue
Atmospheric residue Hydrotreating Water addition Hydrodesulfurization
2009/7/24
The effect of addition of several solvents on atmospheric residue (AR) hydrotreating was examined in the autoclave test. Higher hydrodesulfurization (HDS) activity was obtained by adding solvents in t...
Oxidoreductases from Trametes spp. in Biotechnology：A Wealth of Catalytic Activity
Trametes laccase cellobiose dehydrogenase pyranose 2-oxidase
2009/3/2
Those oxidoreductases that are part of the ligninolytic complex of basidiomycete and ascomycete fungi have played an increasingly important role in biotechnological applications during the last decade...