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Oxidative Desulfurization of Naphtha with Hydrogen Peroxide in Presence of Acid Catalyst in Naphtha/Acetic Acid Biphasic System
Oxidative desulfurization Naphtha Hydrogen peroxide Acetic acid Thiophene Hydrodesulfurization
2010/9/8
Oxidative desulfurization of naphtha with H2O2 in the presence of H2SO4 in the naphtha/acetic acid (AcOH) biphasic system was investigated. All organosulfur compounds examined were smoothly oxidized i...
Epoxidation of α, β-Unsaturated Carbonyl Compounds with Hydrogen Peroxide and Calcium Vanadateapatite
Calcium vanadateapatite α,β-Unsaturated carbonyl compound Epoxidation Hydrogen peroxide Surfactant
2010/9/8
Epoxidation of α, β-unsaturated carbonyl compounds is an important reaction in organic synthesis. In this study, epoxidation of α,β-unsaturated carbonyl compounds was carried out in hexane or water so...
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...
Photocatalytic Hydrogen Production from Aqueous Solution of Various Oxidizing Sacrifice Agents
Titania photocatalyst Water splitting Hydrogen production Oxidizing sacrifice agent Saccharide aqueous solution Carbon neutral
2010/9/8
For photocatalytic water splitting rate enhancement, it is said efficient to add oxidizing sacrifice agents to water, which can consume produced O2, in order to repress the reverse reaction, i.e. re-c...
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...
Synthesis of Di-t-butyl Polysulfide from Isobutene, Hydrogen Sulfide, and Sulfur (Part 2) Catalytic Behavior of MFI Zeolites
Polysulfide synthesis Zeolite catalyst MFI zeolite Gallium Reaction mechanism
2009/8/4
Synthesis of di-t-butyl polysulfide from isobutene, hydrogen sulfide and sulfur was carried out at 125°C in an autoclave over MFI zeolite catalysts isomorphously framework-substituted with Al, Ga, an...
Synergism between Hydrogen Bond-type Ultraviolet Absorbers and Hindered Amine Light Stabilizers
HALS UVA Photo-antioxidant activity Antagonism Synergism
2009/8/4
The synergism of hydrogen bond-type ultraviolet absorbers (UVA), such as phenyl salicylate and benzotriazole type UVA, and hindered amine light stabilizers (HALS) was investigated and compared with t...
Hydrogen and Methanol Formation Utilizing Bioprocesses
Methanol formation Hydrogen Bioprocess Methane oxidation
2009/8/4
Increases in the atmospheric levels of carbon dioxide and methane are the main causes of global warming, so measures to reduce the emissions of both gases are essential. A process converting carbon d...
Tungstophosphoric Acid-catalyzed Oxidative Desulfurization of Naphtha with Hydrogen Peroxide in Naphtha/Acetic Acid Biphasic System
Oxidative desulfurization Naphtha Tungstophosphoric acid Hydrogen peroxide
2009/7/28
The 12-tungstophosphoric acid (TPA)-catalyzed oxidative desulfurization of naphtha with H2O2 was investigated. All organosulfur compounds examined were efficiently oxidized with H2O2 and TPA catalyst ...
Hydrogen Production from Reaction of Apple Pomace with Water over Commercial Steam Reforming Ni Catalysts
Steam reforming Hydrogen production Biomass Apple pomace Nickel catalyst
2009/7/27
H2 production from biomass is an important area of research. Steam reforming of apple pomace at high temperatures at > 973 K was carried out over a commercial steam reforming Ni catalyst using a flui...
Inhibition Effect of Hydrogen Sulfide and Ammonia on NiMo/Al2O3, CoMo/Al2O3, NiCoMo/Al2O3 Catalysts in Hydrodesulfurization of Dibenzothiophene and 4,6-Dimethyldibenzothiophene
Hydrodesulfurization Inhibition effect Nickel molybdenum catalyst
2009/7/24
Model hydrodesulfurization catalysts (Co2.75Mo11, Ni2.75Mo11 and Ni0.9Co1.85Mo11 wt%/γ-Al2O3) prepared by impregnation of similar supports with similar starting materials were used in the following t...
Storage and Supply of Pure Hydrogen Mediated by the Redox of Iron Oxides
Hydrogen storage Hydrogen formation Magnetite Iron medium Redox Sintering
2009/7/24
Methods for the storage and supply of pure H2 are proposed based on the reduction of iron oxide with H2 (Fe3O4 + 4H2→3Fe + 4H2O) followed by the oxidation of the iron metal with H2O (3Fe + 4H2O→Fe3O4...
Synthesis of Di-t-butyl-polysulfide from Isobutene, Hydrogen Sulfide, and Sulfur (Part 1) Catalysis by Alkali Metal Oxide and Alkaline Earth Metal Oxide Loaded on Alumina
Polysulfide Solid base catalyst Alkali metal Alkaline earth metal
2009/7/24
Synthesis of di-t-butyl-polysulfide from isobutene, hydrogen sulfide and sulfur was carried out over solid base catalysts such as alkali metal and alkaline earth metal oxides loaded on alumina. The p...
Development of High Throughput Screening Method of Ni-supported Catalysts for the Decomposition of Methane to Hydrogen and Carbon
High throughput screening Nickel catalyst Zeolite support
2009/7/24
A high throughput screening (HTS) method for identifying supported nickel catalysts for the decomposition of methane was developed. Porous materials such as H-beta(SiO2/Al2O3 = 150), H-beta(25), and ...
A Proposal of New Hydrogen Production Process Employing Equilibrium-shift Technology
Hydrogen production Methane steam reforming Membrane reactor
2009/7/24
A hydrogen production process comprising a membrane reactor and a carbon dioxide separator for the steam reforming of methane at 500°C has been simulated without employing a sweep gas for hydrogen se...