搜索结果: 1-15 共查到“石油与天然气工程 Mo”相关记录20条 . 查询时间(0.062 秒)
Hydrotreatment of Light Cycle Oil over Pt-Pd Supported Catalyst Combined with Ni-Mo Supported Catalyst
Light cycle oil Hydrotreatment Platinum-Palladium catalyst USY zeolite
2009/8/4
Virgin light cycle oil (LCO) derived from the FCC process containing 6090 mass ppm sulfur and 76.1 mass% aromatics, and with cetane index of 26 was refined by hydrotreatment over Ni-Mo supported cata...
Characterization of Co-Mo/Al2O3 Hydrodesulfurization Catalyst by 129Xe NMR Spectroscopy
129Xe NMR Cobalt molybdenum catalyst Sulfidation Co-Mo-S phase
2009/8/4
The present study evaluated 129Xe NMR spectroscopy for the analysis of Co-Mo/Al2O3 hydrodesulfurization catalyst. This study also reconsidered the conventional interpretation of 129Xe NMR spectroscop...
Sulfidation State and Sulfur Behavior on Mo-based HDS Catalysts Supported on TiO2 Using 35S Tracer Methods
Sulfidation state Hydrodesulfurization High surface titania Molybdenum catalyst
2009/8/4
A 35S radioisotope pulse tracer method using 35S-labeled H2S was used to investigate the sulfidation state of Mo-based catalysts supported on TiO2. Despite the coverage of Mo species on the TiO2 supp...
Application of 129Xe NMR Spectroscopy to Analysis of Co-Mo/Al2O3 Hydrodesulfurization Catalyst —Effect of Sulfidation on 129Xe NMR Spectra—
129Xe NMR Cobalt molybdenum catalyst Sulfidation Peak broadening
2009/7/28
The effect of sulfidation on 129Xe NMR spectra of Co-Mo/Al2O3 hydrodesulfurization catalysts was investigated. Before sulfidation, catalysts containing cobalt such as Co/Al2O3 and Co-Mo/Al2O3 showed ...
XAFS Characterization of Mo/ZSM-5 Catalysts for Methane Conversion to Benzene: Effect of Additives
Molybdenum carbide ZSM-5 Methane aromatization EXAFS
2009/7/27
ZSM-5 supported Mo catalysts for the dehydroaromatization reaction of methane were characterized by Mo K-edge EXAFS, NH3-TPD, and XPS techniques. Mo/ZSM-5 catalysts showed the maximum activity for be...
Investigation of Sulfur Behavior on Mo-based Hydrodesulfurization Catalysts Supported on High Surface Area TiO2 by 35S Radioisotope Tracer Method
Hydrodesulfurization High surface area titania Molybdenum catalyst
2009/7/27
Mo catalysts were prepared by impregnation of titania synthesized by the pH swing method which provides a TiO2 carrier with a high specific surface area (134 m2·g−1) and excellent mechanical pr...
Development of Highly Active Co-Mo Catalysts with Phosphorus and Citric Acid for Ultra-deep Desulfurization of Diesel Fractions (Part 2) Characterization of Active Sites
Hydrodesulfurization Citric acid addition Phosphorus addition Co-Mo-S phase
2009/7/27
Mo K-edge EXAFS, TEM and FT-IR of adsorbed NO were performed to further investigate the nature of the active sites on the CoMo/HY-Al2O3 catalyst containing citric acid and phosphorus, which had signi...
Development of Highly Active Co-Mo Catalysts with Phosphorus and Citric Acid for Ultra-deep Desulfurization of Diesel Fractions (Part 1) Preparation and Performance of Catalysts
Cobalt molybdenum catalyst Co-Mo-S phase Diesel fuel
2009/7/27
Development of Highly Active Co-Mo Catalysts with Phosphorus and Citric Acid for Ultra-deep Desulfurization of Diesel Fractions (Part 1) Preparation and Performance of Catalysts.
129Xe NMR Analysis of Mo/Al2O3 Hydrodesulfurization Catalyst
129Xe NMR Molybdenum alumina catalyst Molybdenum sulfide crystallite
2009/7/27
129Xe NMR (nuclear magnetic resonance), a useful analytical tool for the investigation of zeolite pores, was evaluated as a novel technique for the analysis of active sites on Mo/Al2O3 hydrodesulfuri...
129Xe NMR Analysis of Mo/Al2O3 Hydrodesulfurization Catalyst (Part 2) Effect of Cobalt Addition
129Xe NMR Molybdenum alumina catalyst Sulfurization Cobalt addition
2009/7/24
The effect of cobalt addition on Mo/Al2O3 hydrodesulfurization catalyst was investigated by 129Xe NMR. Both the amount of adsorbed xenon and the peak width of 129Xe NMR were almost constant at variou...
Effects of Co Addition on the Surface Structure and the Activity of Mo/Al2O3 Catalyst for the Hydrogenation of Olefins
Olefin hydrogenation Steric hindrance Cobalt molybdenum catalyst
2009/7/24
The present study investigated the effects of Co addition on the surface structure and activity of Mo/Al2O3 for the hydrogenation of C6-C10 olefins. CoMo/Al2O3 (Co/Mo atomic ratio: 0.56) had lower ac...
Preparation and Characterization of Co-Mo Model Sulfide Catalysts for Hydrodesulfurization
ydrodesulfurization Model catalyst Zeolite Support effect Cobalt molybdenum catalyst
2009/7/23
Development of highly active hydrodesulfurization (HDS) catalysts is one of the most urgent problems in the petroleum industry. Better characterization and understanding of the nature of HDS catalyst...
乙烷部分氧化超细Fe－Mo－O催化剂的研究
溶胶-凝胶技术 乙烷部分氧化 超细Fe－Mo－O催化剂
2008/3/2
摘要采用溶胶-凝胶法制备了Fe－Mo－O催化剂，用XRD、TEM、BET、IR、TPR、TPD和微反等技术研究了催化剂晶体结构、表面构造、晶格氧活泼性、化学吸附和乙烷部分氧化反应性能。Fe－Mo－O复合氧化物催化剂是由超细微粒组成，微粒粒径约10 nm～20 nm，比表面积为48.1 m2/g。催化剂表面由Lewis碱位（Mo=O键的端氧和Fe－O－Mo键中的桥氧）及Lewis酸位构成。乙烷能以甲...
摘要采用等体积浸渍法制备了一系列不同Co/Mo原子比的碳纳米管（CNT）负载CoMo催化剂。将该系列催化剂用于孤岛减压渣油加氢裂化反应，评价其催化效果，并在相同反应条件下与 γAl2O3负载Co-Mo催化剂的催化性能进行比较。结果表明，Co-Mo/CNT催化剂的催化效果略低于Co-Mo/γAl2O3催化剂。Co/Mo原子比对Co-Mo/CNT催化剂的催化效果有较大的影响。与相同载体的催化剂相比，...