搜索结果: 1-14 共查到“石油与天然气工程 TiO2”相关记录14条 . 查询时间(0.109 秒)
Effect of Pd/TiO2–Al2O3 Catalyst Support on Naphthalene Hydrogenation in the Presence of CO
Chemical hydride method Naphthalene hydrogenation Adsorbed carbon monoxide Palladium catalyst Titania alumina support
2010/9/8
Hydrogenation of naphthalene in the presence of CO was examined as a step in the organic hydride method for utilizing low grade hydrogen. Development of CO-tolerant hydrogenation catalysts will allow ...
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...
TiO2 Promoted Co/SiO2 Catalysts for Fischer-Tropsch Synthesis
Fisher-Tropsch synthesis Cobalt catalyst Titania Silica Syngas
2009/7/28
The addition of small amount of TiO2 to silica supported cobalt catalysts significantly increased the dispersion of cobalt and Co metallic surface area, resulting in the remarkable enhancement of the ...
Development of Visible Light Sensitive TiO2 Photocatalysts and Their Sensitization Using Fe3+ Ions
Photocatalyst Titanium dioxide Visible light Sulfur-doped titanium dioxide
2009/7/27
Titanium dioxide photocatalysts are promising substrates for photodegradation of pollutants in water and air, but show photocatalytic activities only under UV light. To utilize a wider range of inc...
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·gW22;1) and excellent mechanical pr...
Photo-operated Glucose-O2 Biofuel Cell Based on the Visible-light Photosensitization of Chlorophyll Derivatives Adsorbed on Nanocrystalline TiO2 Film
Biofuel cell Bioresource Chlorophyll Titanium oxide
2009/7/24
A novel type of photo-operated biofuel cell was based on the combination of NAD+ reduction with glucose and GDH, with photosensitization of zinc chlorin-e6 (ZnChl-e6) as a model of chlorophyll a on a...
Photocatalytic Degradation of Organic Compounds on TiO2 Powders —FT-IR Investigation of Surface Reactivity and Mechanistic Aspects—
Photodegradation Organics Titanium (IV) oxide TEM
2009/7/24
This review examines a series of studies investigating the molecular phenomena occurring on the surface of TiO2, in the dark and under ultra violet spectroscopy (UV) irradiation, in processes intended...
Hydrogenation of Naphthalene over Pd/TiO2-SiO2 Catalysts
Naphthalene hydrogenation Supported palladium catalyst Hydrogenation catalyst
2009/7/24
TiO2-SiO2 supports were prepared by impregnation of Ti(OCH(CH3)2)4 on SiO2. These supports were characterized by use of BET surface area and XRD. Pd catalysts supported on TiO2-SiO2 binary oxides show...
Sulfur-tolerance of Al2O3- and TiO2-supported Bimetallic Pt-Pd Catalysts for Naphthalene Hydrogenation
Naphthalene hydrogenation Bimetallic catalyst Platinum-palladium catalyst
2009/7/23
Naphthalene hydrogenation was carried out over TiO2- and Al2O3-supported bimetallic Pt-Pd catalysts at 0.95-2.45 MPa and 473 K with and without addition of dimethyldisulfide. The bimetallic catalysts...
一种以TiO2-SiO2复合氧化物为载体的柴油加氢精制催化剂的制备方法，用于柴油加氢精制，该催化剂以复合氧化物TiO2-SiO2为载体，以金属钴、钼或镍、钨为活性组分，催化剂载体制备方法有溶胶—凝胶法、颗粒水解包覆法及混合溶胶法；金属活性组分在载体上的担载采用共浸或分步浸渍的方法，所得钛硅复合材料加氢精制催化剂的平均孔径为7～15nm，孔容为0.2～0.7ml/g，比表面积100～300m2/g，...
纳米TiO2的光催化性能及其在有机污染物降解中的应用
TiO2 光催化 有机污染物降解
2008/6/17
纳米TiO2具有光催化性能，利用太阳光能将有机污染物矿化为CO2和H2O。从TiO2的光催化降解机理入手，详细讨论了影响纳米TiO2光催化性能的因素及提高光催化性能的方法，列举了纳米TiO2在有机污染物光催化降解中的应用，提出了目前尚且存在的一些问题及其解决的途径。
摘要采用表面改性法和等体积浸渍法制备了金属修饰的负载型复合半导体材料Cu/V2O5-TiO2/SiO2，用X射线衍射、比表面测定、红外光谱、拉曼光谱、紫外可见漫反射等技术对固体材料的结构、吸光性能和化学吸附性能进行了表征；研究了该材料对CO2和丙烷合成异丁烯醛的光促表面催化规律。结果表明，半导体活性组分V2O5和TiO2在所制备的催化剂Cu/V2O5-TiO2/SiO2表面形成化学键联，并存在多种...
以二氧化钛(TiO2)晶须成型材料为载体，采用过量浸渍法制备了MoO3负载量为7.2%(质量分数)的新型Mo/TiO2加氢脱硫催化剂。利用XRD、BET等手段对该催化剂进行表征，并且在催化剂中压微反活性评价装置上考察了不同操作条件对其噻吩加氢脱硫性能的影响。结果表明，新型Mo/TiO2为纯锐钛矿相；TiO2晶须成型载体负载了7.2%MoO3后，比表面积由93m2/g 变为72m2/g，孔容由0.2...