搜索结果: 1-15 共查到“石油化学工程 methanol”相关记录17条 . 查询时间(0.156 秒)
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 ...
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...
Photochemical Synthesis of Methanol from Formaldehyde Using Alcohol Dehydrogenase Coupled with Photosensitization of Zinc Porphyrin
Photochemical methanol synthesis Zinc porphyrin Alcohol dehydrogenase Enzymatic synthesis
2009/7/27
Photochemical synthesis of methanol from formaldehyde was evaluated with alcohol dehydrogenase (ADH) from Saccharomyces cerevisiae and NAD+ photoreduction by the visible light photosensitization of z...
Synthesis of Liquefied Petroleum Gas via Methanol and/or Dimethyl Ether from Natural Gas (Part 2) Improvements in Catalysts for Methanol and Dimethyl Ether Conversion
Natural gas Liquefied petroleum gas Methanol conversion Dimethyl ether conversion
2009/7/27
For the proposed synthesis of liquefied petroleum gas (LPG), MFI zeolite catalysts were prepared for selective conversion of methanol or dimethyl ether (DME) through either surface modification of pa...
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...
Screening Using Artificial Neural Network of Additives for Cu-Zn Oxide Catalyst for Methanol Synthesis from Syngas
Methanol synthesis Neural network Physicochemical property
2009/7/24
The activity of Cu-Zn oxide catalysts for methanol synthesis from syngas varies depending on the additives to the oxide, and optimum composition is sensitive to the reaction conditions. An artificial ...
Dimethyl Ether Synthesis from Carbon Dioxide by Catalytic Hydrogenation (Part 2) Hybrid Catalyst Consisting of Methanol Synthesis and Methanol Dehydration Catalysts
Carbon dioxide Hydrogenation Dimethyl ether Direct synthesis
2009/7/24
Direct DME synthesis from CO2 and H2 was carried out using hybrid catalysts consisting of a methanol synthesis catalyst (CuO-ZnO-Al2O3-Ga2O3-MgO) and a methanol dehydration catalyst (γ-Al2O3 or ZrO2...
Shape-selective Methylation of 4-Methylbiphenyl to 4,4'-Dimethylbiphenyl with Supercritical Methanol over Zeolite Catalysts
Supercritical methanol Shape selectivity Methylation
2009/7/24
The applicability of supercritical methanol was investigated to the selective para methylation of 4-methylbiphenyl to produce 4,4'-dimethylbiphenyl, which has recently attracted much attention as a ...
Extraction of Styrene Using Copper(II) Salt and Metallic Copper in Methanol
Styrene separation Copper(I) complex Copper(II) methanol solution
2009/7/24
Styrene were extracted from mixtures of styrene and ethylbenzene using Cu(NO3)2 methanol solutions and metallic copper as extraction reagents. Extraction rates and extraction equilibria were measure...
Design of Low Cost Pipe Fitting Device for High-throughput Screening Reactor for Screening of Methanol Synthesis Catalyst
Combinatorial chemistry High-throughput screening 96 well microplate Methanol synthesis
2009/7/24
The high-throughput screening (HTS) reactor using the 96 well microplate system is useful for the optimization of Cu oxide catalyst for methanol synthesis. However, the number of parallel lines is som...
Synthesis of Liquefied Petroleum Gas via Methanol and/or Dimethyl Ether from Natural Gas (Part 1) Catalysts and Reaction Behaviors Associated with Methanol and/or Dimethyl Ether Conversion
Natural gas Methanol conversion Dimethyl ether conversion
2009/7/24
Synthesis of liquefied petroleum gas (LPG) from methanol and/or dimethyl ether (DME) was investigated over various zeolite catalysts. H-ZSM-5 with the MFI structure was confirmed to be the optimum cat...
Steam Reforming of Methanol on Ni/Al2O3 Catalyst in a Pd-membrane Reactor
Membrane reactor Palladium membrane Steam reforming Methanol
2009/7/24
The application of the membrane reactor to steam reforming of methanol was studied as a hydrogen producing reaction. The activities, stabilities and selectivities of Cu/ZnO, Ni/Al2O3 and Ru/Al2O3 cat...
Design of Cu-Zn-Al-Sc Oxide Catalyst for Methanol Synthesis Using Genetic Algorithm Based on Radial Basis Function Network as the Evaluation Function
Combinatorial chemistry High throughput screening Genetic algorithm
2009/7/24
Optimization of catalyst composition using a genetic algorithm (GA) is intended to increase the activity in a series of repetitive steps consisting of determination of the composition, catalyst prepa...
Application of Genetic Algorithm to Optimize the Composition of Cu-Zn-Al-Sc Oxide Catalyst for Methanol Synthesis
Genetic algorithm Catalyst optimization Combinatorial chemistry
2009/7/24
A genetic algorithm (GA), which is based on the theory of biological evolution, was applied to optimize the composition of Cu-Zn-Al-Sc oxide catalyst for methanol synthesis to identify high performan...
Catalyst Development for Methanol Synthesis Using Parallel Reactors for High-throughput Screening Based on a 96 Well Microplate System
Combinatorial chemistry High-throughput screening Genetic algorithm
2009/7/23
The combinatorial approach is widely used for homogeneous and heterogeneous catalyst development. The main key technologies are “combinatorial chemistry (CC)” for material preparation and “high-throu...