搜索结果: 1-14 共查到“石油与天然气工程 TEMPERATURE”相关记录14条 . 查询时间(0.203 秒)
Development and Application of SnP2O7-based Proton Conductors to Intermediate-temperature Fuel Cells
Intermediate-temperature fuel cell Proton conductor Tin diphosphate Electrolyte Carbon monoxide tolerance Fuel flexibility
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2010/9/8
Much attention has been devoted to efforts to operate polymer electrolyte fuel cells (PEFCs) at temperatures above 100°C in order to avoid the problem of serious CO poisoning of the anode catalyst. It...
Development of Novel Proton Conductors Consisting of Solid Acid/pyrophosphate Composite for Intermediate-temperature Fuel Cells
Intermediate-temperature fuel cell Composite electrolyte Solid acid Pyrophosphate Composite effect
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2010/9/8
Fuel cells are attractive energy conversion devices with high efficiencies and low emissions, and many studies have been conducted so far. Among them, fuel cells operating at 200-600°C are promising t...
Initiation of Oxidative Reforming of Butane over Praseodymium Oxide Supported Ni Catalysts at Ambient Temperature
Oxidative reforming Ambient temperature triggering Rare-earth oxide Praseodymium oxide Nickel catalyst
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2010/9/8
The catalytic characteristics of various rare-earth oxide supports for Ni catalysts were investigated for the initiation of the oxidative reforming (OR) of C4H10 at ambient temperature. Ni/PrO1.83, re...
Room Temperature Sulfur Removal from LPG with Adsorbent for Fuel Cell Application — Adsorption Behavior of Sulfur Compounds —
Adsorptive sulfur removal β zeolite Ceria Fuel cell LPG
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2009/7/28
LPG contains 5-10 volppm of sulfur compounds such as thiols, sulfides, and disulfides. Use of LPG as the hydrogen source for fuel cells will require the removal of sulfur content to the ppb level. Act...
Effects of Molar Ratio, Catalyst Concentration and Temperature on Transesterification of Triolein with Ethanol under Ultrasonic Irradiation
Triolein Ethanol Ultrasonic irradiation Biodiesel Base catalyst
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2009/7/28
The transesterification of triolein with ethanol to make biodiesel fuel was investigated under ultrasonic irradiation to evaluate the effects of the amount of base catalyst (NaOH or KOH), molar ratio ...
Separation and Recovery of Aggregate from Asphalt Pavement Wastes Using High-temperature and High-pressure Water
Supercritical water Pavement waste Aggregate Binder Straight asphalt
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2009/7/27
The recycling ratio of reclaimed asphalt pavement (RAP) reached about 99% in 2002, the highest for any industrial waste, a clear sign that recycling efforts are actively applied in the road pavement f...
Low-temperature Hydrodechlorination of Chlorobenzenes on Palladium-supported Alumina Catalysts
Hydrodechlorination Palladium catalyst Alumina catalyst Chlorobenzene
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2009/7/24
Hydrodechlorination of monochlorobenzene (MCB), 1,4-dichlorobenzene (DCB), and 1,3,5-trichlorobenzene (TCB) was carried out on palladium-supported γ-alumina and alumina Lewis superacid catalysts at 2...
Lowering Combustion Temperature of Carbon Particles on Pt-supported Ceria Series Oxides
Cerium composite oxide Platinum catalyst Diesel particulate filter
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2009/7/24
Catalyst-loaded wall-flow type honeycomb is effective for reducing the level of carbon particle emissions from diesel engines. Pt-supported oxides were investigated for the oxidation and reduction of...
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
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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...
Removal of Binder from Asphalt Mixture Using High Temperature and High Pressure Water
Supercritical water Pavement waste Aggregate Binder Straight asphalt
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2009/7/24
A new recycling technology is proposed for separating and recovering aggregate and binder from asphalt pavement waste to develop a sustainable asphalt pavement recycling system. Investigation of the ...
Comparison of Various Testing Methods for Low-temperature Properties of Asphalts
Asphalt cement Asphalt mixture FBP MBP Low-temperature cracking
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2009/7/24
The Moriyoshi Breaking Point (MBP) test, Fraass Breaking Point (FBP) test and conventional tests, i.e., performance-related grade tests developed by the Strategic Highway Research Program (SHRP), were...
Crack Formation in Asphalt Mixtures in the Wheel Tracking Test at High Temperature
Dense graded asphalt Drainage asphalt Internal cracking Stress distribution
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2009/7/24
The formation of internal cracks in asphalt mixtures in the wheel tracking test at high temperature was investigated in dense graded (13F) and drainage asphalt mixtures prepared outside. Such cracks ...
The Role of Brønsted and Lewis Acid Sites of Vanadyl Pyrophosphate Measured by Dimethylpyridine-temperature Programmed Desorption in the Selective Oxidation of Butane
Vanadyl pyrophosphate catalyst Acidic property Dimethylpyridine Temperature programmed desorption
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2009/7/24
Acidic properties of three types of (VO)2P2O7 catalysts were investigated by temperature programmed desorption (TPD) using 3, 5- and 2, 6-dimethylpyridine as probes, and the selective oxidation of but...
Effect of Temperature, Wettability and Relative Permeability on Oil Recovery from Oil-wet Chalk
Temperature Relative Permeability
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2008/10/27
It is customary, for convenience, to use relative permeability data produced at room temperature. This paper shows that this practice underestimates oil recovery rates and ultimate recovery from chalk...