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Energy return on investment, energy payback time, and greenhouse gas emissions of coal seam gas (CSG) production in China: a case of the Fanzhuang CSG project
Coal seam gas EROI Energy payback time Greenhouse gas emissions Global warming potential China
2018/4/2
The studies and development of coal seam gas (CSG) have been conducted for more than 30 years in China, but few of China’s CSG projects have achieved large-scale commercial success; faced with the boo...
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...
Genetic Algorithms and Ant Colony Approach for Gas-lift Allocation Optimization
Oil production Gas-lift Genetic algorithm Ant colony optimization
2009/8/4
Continuous gas-lift is one of the most commonly practiced artificial lift techniques. It assists production enhancement by continuous injection of high-pressure gas into the well tubing, which lighten...
Discrimination between Residues from Kerosene or Gas Oil and Plastics in Fire Debris
Alkylcyclohexane Pyrolysis Plastic GCMS
2009/8/4
A novel method to discriminate between the residues of kerosene or gas oil and the residues of domestic plastics in fire debris was developed based on the analysis of alkylcyclohexanes by gas chromat...
Estimation of Gas Composition and Cage Occupancies in CH4-C2H6 Hydrates by CP-MAS 13C NMR Technique
Gas hydrate Natural gas Gas composition Cage occupancy 13C NMR
2009/7/28
CP-MAS 13C NMR measurements were carried out on mixed gas hydrates containing CH4-C2H6. The changes in NMR chemical shift values for CH4 and C2H6 clearly corresponded to the structural changes in the...
Selective Synthesis of Gas Oil via Oligomerization of Light Olefins Catalyzed by Methanesulphonic Acid
Methanesulphonic acid Light olefin Butene Selective synthesis Gas oil
2009/7/28
The oligomerization of light olefins, such as ethylene, propylene, 1-butene and isobutene, catalyzed by methane?sulphonic acid (MSA) was evaluated to synthesize liquid hydrocarbons in a high pressure...
Water/gas Permeability of Bituminous Mixtures and Involvement in Blistering Phenomenon
Asphalt mixture Blistering Water permeability Gas permeability
2009/7/28
The blistering phenomenon is one of the major damages in bituminous pavement during a hot summer. The phenomenon was believed to be caused by water permeating from outside via channels of connected p...
Rapid Quantitative Analysis Method for Products of Gas Phase Oxidation of Propylene
Rapid quantitative analysis Gas chromatograph system Propylene oxidation
2009/7/27
A rapid quantitative analysis method for the oxidation products of propylene was established. The analysis system consists of a gas chromatograph equipped with two detectors. Many products from the o...
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...
Characterization of Carbonaceous Compounds Deposited on NiMo Catalyst Used for Ultra Deep Hydrodesulfurization of Gas Oil by Means of Temperature-programmed Oxidation Method
Ultra deep hydrodesulfurization Catalyst deactivation Carbonaceous deposit
2009/7/24
Ultra deep hydrodesulfurization (HDS) of several types of gas oil were performed over NiMo catalyst under various conditions and the carbonaceous deposits on the spent catalysts were characterized by...
Formation of Free Sulfur in Hydrodesulfurized Gas Oil—Precautions for Pilot Test of Ultra Deep Hydrodesulfurization Catalysts—
Ultra deep hydrodesulfurization Free sulfur Hydrogen sulfide Light gas oil
2009/7/24
Special precautions for evaluating ultra deep gas oil hydrodesulfurization catalysts in the pilot plant were investigated. Analysis using gas chromatograph atomic emission detector (GC-AED) and GC-MS...
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 ...
Partial Oxidation of Methane to Synthesis Gas over Oxidized Diamond Supported Catalysts—Catalytic Behavior of Nickel and Cobalt Species—
Partial oxidation Diamond Methane Synthesis gas Pulse method
2009/7/24
Characterization of nickel and cobalt catalysts supported on oxidized diamond (O-dia) in the partial oxidation of methane to synthesis gas was carried out by X-ray photoelectron spectroscopy (XPS) an...
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...