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High Propylene Selectivity in Methanol-to-olefin Reaction over H-ZSM-5 Catalyst Treated with Phosphoric Acid
ZSM-5 Methanol-to-olefin Light olefin Phosphoric acid Propylene production MFI
2010/9/8
H-ZSM-5 zeolite was treated with phosphorus acid by impregnating H-ZSM-5 with aqueous solutions of phosphoric acid at various concentrations. H-ZSM-5 (P-HZSM-5) modified with phosphoric acid was used ...
Reaction Kinetics of Carbon Dioxide with Phenyl Glycidyl Ether by TEA-CP-MS41 Catalyst
Carbon dioxide absorption Phenyl glycidyl ether Triethylamine MCM-41 catalyst
2010/9/8
CP-MS41 was synthesized by hydrolysis of tetraorthosilicate, as a silicon source, with 3-chloropropyltriethoxysilane as an organosilane using cetyltrimethylammonium bromide as a template. TEA-CP-MS41 ...
Fischer-Tropsch Reaction over Bimodal Porous Ru/SiO2 Catalysts Prepared by Alkoxide Method
Alkoxide method Bimodal pore structure Fischer-Tropsch reaction Particle size Ruthenium catalyst
2010/9/8
Bimodal porous Ru/SiO2 catalysts for the Fischer-Tropsch reaction were prepared by modifying the surface of macro-porous silica with Ru–SiO2 prepared by the alkoxide method. The Ru particle size estim...
New Method for Ethanol Synthesis from Dimethyl Ether and Syngas via Two-stage Reaction
Carbonylation Hydrogenation Ethanol synthesis Zeolite catalyst Two-stage reaction Dimethyl ether
2010/9/8
A new method for ethanol synthesis from dimethyl ether (DME) and syngas via a two-stage reaction system was established successfully. In the first stage reaction, H-mordenite zeolite catalyst was used...
Effects of Pore Size of Ru-Al2O3 Catalysts Prepared by Alkoxide Method on Fischer-Tropsch Reaction
Alkoxide method Fischer-Tropsch reaction Particle size Pore size
2009/8/4
10 wt%Ru-Al2O3 catalysts with uniform pore sizes in the range of 3-7 nm were prepared by the alkoxide method by changing the added amount of H2O highly diluted with butanol at the gelation stage of s...
Catalyst Regenerator for Partial Oxidation of Benzene in Reaction-extraction System
Benzene Phenol Partial oxidation Bi-phase system Reaction-extraction system
2009/8/4
The liquid-phase oxidation of benzene to phenol was investigated in the biphasic benzene-water system using VCl3 and molecular oxygen as the catalyst and oxidant, respectively. Benzene was dissolved ...
Effects of Pore Size of Ru-SiO2 Catalysts Prepared by Alkoxide Method on Fischer-Tropsch Reaction
Alkoxide method Fischer-Tropsch reaction Particle size
2009/7/28
Uniform pore sizes of 10 wt%Ru-SiO2 catalysts prepared by the alkoxide method were varied in the range of 4-8 nm, by adding formamide (FA) at the sol-gel preparation stage. The prepared catalysts were...
Catalytic Performance of Noble Metals Supported on Alumina-modified Silica Gel for Hydrodesulfurization Reaction
Hydrodesulfurization Thiophene Noble metal catalyst Alumina modification
2009/7/28
The catalytic activities and properties of noble metals (Pt, Pd, Rh, Ru) supported on silica gel (SiO2) and alumina-modified silica gel (Al2O3-SiO2) were investigated for the hydrodesulfurization of ...
Hydrodechlorination over Zeolite Supported Catalysts—Clarification of Reaction Mechanism
Hydrodechlorination Zeolite Noble metal Acidity Dealumination IR spectroscopy
2009/7/27
Chlorinated compounds emitted into the atmosphere are responsible for the current thinning and shrinking of the ozone layer in the stratosphere. Two main potential methods have been suggested for the...
Simple Syngas Detector for High-throuput Screening Reactor Using Color Reaction at High Pressure
Combinatorial chemistry High-throughput screening Syngas detector
2009/7/27
The high-throughput screening reactor for high pressure oxidative reforming of methane requires a new simple syngas detector operating under high pressure, because the number of parallel reactors with...
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...
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
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...
New Antagonism of Hindered Amine Light Stabilizers with Acidic Compounds Including Phenolic Antioxidants (Part 2) Formation Mechanism of Active Species of Peroxide Decomposition Reaction
HALS Phenolic antioxidant Antagonism Nitrosonium salt
2009/7/27
The effect of acidic compound on the formation of active species in homolytic hydroperoxide decomposition by hindered amine light stabilizers (HALS) was studied. The hydroperoxide decomposition activ...
Synthesis of Liquefied Petroleum Gas via Methanol and/or Dimethyl Ether from Natural Gas (Part 3) Investigation of Reaction Variables, Ethene Recycling and Catalyst Regeneration at High Conversion from Methanol and/or Dimethyl Ether to LPG
Liquefied petroleum gas Methanol conversion Dimethyl ether conversion
2009/7/27
Conversion of methanol and/or dimethyl ether into LPG, previously proposed as a potential route for fuel synthesis from natural gas, was evaluated over H-ZSM-5 and H-FeAlMFI-silicate catalysts to opti...
Influence of Catalyst Support and Reaction Gas on Decomposition of Methane over Ni Catalysts
Methane decomposition Nickel catalyst Carbon nanotube Glycothermal method
2009/7/24
Nickel-catalyzed decomposition of methane into carbon and hydrogen was examined using a thermogravimetric apparatus. The Ni catalyst supported on zirconia synthesized by the glycothermal method gave ...