1)photoelectrocatalytic oxidation光电催化氧化
1.Degradation of 2,4-dichlorophenol with double-anode photoelectrocatalytic oxidation process双阳极光电催化氧化降解2,4-二氯苯酚的研究
2.The changes of chloroform formation potential during chlorination caused by Ti/TiO_2 photoelectrocatalytic oxidation treatments were also investigated.荧光光谱图的变化也充分说明了经过光电催化氧化,富里酸溶液的荧光光强明显减弱,腐殖化程度降低,因此通过光电催化氧化可有效破坏富里酸的结构使得氯化过程产生的消毒副产物量大大减少。
3.COD was determined by photoelectrocatalytic oxidation method in a thin-layer microreactor with nano-TiO2 as anode,which is rapid,exact and without secondary pollution.以纳米TiO2为光阳极,利用薄层微型反应器纳米TiO2光电催化氧化的方法测定COD,具有快速、准确、无二次污染的特点。
英文短句/例句
1.Electrochemical and Photoelectrochemical Treatment of Dye Waste Water;电催化及光电催化氧化印染废水的研究
2.Application of Photocatalytic and Photoelectrocatalytic Oxidation for the Treatment of Landfill Leachate;光催化氧化和光电催化氧化技术处理垃圾渗滤液的试验研究
3.The Application of Gas Diffusion Electrode on Photoelectrocatalysis Oxidation Phenol in Water;气体扩散电极在光电催化氧化水中苯酚的应用
4.Degradation of 2,4-dichlorophenol with double-anode photoelectrocatalytic oxidation process双阳极光电催化氧化降解2,4-二氯苯酚的研究
5.Sm~(3+) Doped and Dye Sensitized Nanometer TiO_2 Film Electrodes for Photoelectrocatalytic Oxidation of Methanol;染料敏化/Sm~(3+)掺杂的纳米TiO_2光电催化氧化甲醇的光电响应
6.Study on the Influence of La~(3+)、Cd~(2+) Doping on Methanol Photo-electrocatalytic Oxidation of Nanometer TiO_2 Electrode;掺杂La~(3+)、Cd~(2+)对纳米TiO_2电极光电催化氧化甲醇的影响
7.Enhancement of Photo(Electro) Catalytic Activity of Tungsten Trioxide and Titania;提高三氧化钨和二氧化钛光(电)催化活性的研究
8.STUDY ON PHOTOELECTROCATALYTIC DEGRADATION OF 2-CHLORO-4-METHOXYPHENOL光电协同催化降解2-氯-4-甲氧基苯酚
9.Photoelectrocatalytic Degradation of Acid Red B on Titanium Dioxide Photoanode;负载型二氧化钛光阳极光电催化降解酸性红B
10.A Study on the Enhancement of Photo(Electro) Catalytic Activity of Titanium Oxide under Visible Light;提高二氧化钛可见光光(电)催化活性的研究
11.Photocatalytic Oxidation of SO_2 over Nanometer TiO_2;纳米TiO_2光催化氧化SO_2
12.Photoelectrocatalystic Degradation of Organic Pesticide by TiO_2 Thin-Film Electrode;二氧化钛薄膜电极光电催化降解有机农药研究
13.Study on the Photoelectrocatalysis Degradation for Methyl Orange on Sb-doped SnO_2 Electrode掺锑二氧化锡电极光电催化降解甲基橙的研究
14.An Investigation of VO_x Doped MgF_2 Photodegradation Catalyst;VO_x掺杂的MgF_2光催化氧化催化剂的研究
15.Study on Electrocatalytic Reduction of Oxygen and Photoconductivity of Phthalocyanines;酞菁化合物的电催化氧还原特性和光导性研究
16.Preparation and Photoelectrochemical Properties of TiO_2 Photocatalyst by Constant Current Anodization恒流阳极氧化法制备TiO_2光催化剂及其光电化学性能
17.Study on the Preparation of Sb Doped SnO_2 Photoelectrode and Its Photoelectrocatalytic Properties;掺锑二氧化锡光电极的制备及光电催化性能研究
18.The Preparation of Ag/TiO_2 Photocatalyst by the Photo-oxydoreduction Method;光催化氧化—还原法制备Ag/TiO_2光催化剂的研究
相关短句/例句
electrically assisted photocatalysis电助光催化氧化
1.Novel reactor for electrically assisted photocatalysis;一种新型电助光催化氧化反应器
3)photocatalytic oxidation光催化氧化
1.Research development of photocatalytic oxidation in the water treatment;光催化氧化技术在水处理中的研究进展
2.Synthesis of nano-F~-/TiO_2 and its application in photocatalytic oxidation of thiophene;纳米F~-/TiO_2的合成及其光催化氧化噻吩的研究
3.Study of photocatalytic oxidation of wax oil in circulating-water by nanoscale TiO_2;纳米TiO_2光催化氧化法处理含蜡油循环水的研究
4)photo-catalytic oxidation光催化氧化
1.Advances in research of TiO_2 photo-catalytic oxidation technique for treatment of environmental pollutants;TiO_2光催化氧化技术处理环境污染物的研究进展
2.Silica-coated titania composite nano-particles used in the coatings with environmental function were prepared by the sol-gel method to deposit silica onto the surface of anatase titania nanometer particles in order to enhance the dispersion stability of titania nano-particles and improve their photo-catalytic oxidation activity.针对环境功能涂料制备过程中 TiO2纳米颗粒在水性涂料中极易团聚、分散性差的问题,以提高分散稳定性和改善光催化氧化活性为目的,采用溶胶-凝胶法,以锐钛矿型纳米 TiO2粉体为载体,Na2SiO3为包覆剂,H2SO4为中和剂,成功地制备了分散性优良、光催化活性可控的纳米 TiO2/SiO2 复合粉体。
5)photocatalysis[,f?ut?uk?'t?lisis]光催化氧化
1.The semiconductor photocatalysis of TiO2 has been studied.本文对TiO2光催化氧化的作用机理进行了研究,并对半导体光催化反应机理进行了详细的介绍。
2.This paper summarized the development and mechanism of iron oxyhydroxides' absorption of heavy metal ion and photocatalysis decoloration on organic contaminants.对氧氢氧化铁在水溶液中吸附重金属离子和光催化氧化降解有机污染物的发展和机理进行了总结,并对其在水处理和在环境矿物学中的应用和意义作了概括和探讨。
3.The effects and mechanisms of microwave-assisted photocatalysis are reviewed in this paper, and the influence factors on treatment effect, such as mass of catalyst, light source, dissolved oxygen and temperature are reviewed in detail.综述了微波强化光催化氧化的处理效果和机理 ,并对催化剂投量、光源、溶解氧、温度等相关因素对处理效果的影响进行了详细阐述。
6)photocatalytic光催化氧化
1.Based on the theory of advanced oxygenation and research of this field,this paper illustrates the development of photocatalytic reduction and influencing factors.光催化氧化作为一种高级氧化技术近年来在难降解污染物的处理方面得到了广泛的研究。
2.The order of photocatalytic activity is LaCrO_3
延伸阅读
光电催化 通过选择半导体光电极(或粉末)材料和(或)改变电极的表面状态(表面处理或表面修饰催化剂)来加速光电化学反应的作用。光电化学反应是指光辐照与电解液接触的半导体表面所产生的光生电子-空穴对被半导体/电解液结的电场所分离后与溶液中离子进行的氧化还原反应。光电催化是一种特殊的多相催化。最有意义的光电催化是转换太阳能为化学能的贮能反应,如铂/钛酸锶或铂/钽酸钾催化太阳光分解水,产生氢和氧(见半导体电化学)。 半导体光电极 在将光能转换为化学能的光电化学电池中,用半导体材料作光电极,起光吸收和光催化作用。n型半导体构成光阳极,只催化氧化反应;p型半导体构成光阴极,只催化还原反应。但半导体表面一般不具有良好的反应活性,电极反应往往需较高的过电位。经过适当的表面处理(如热处理、化学刻蚀和机械研磨等)来改变电极的表面状态(如价态分布、晶格缺陷、晶粒粒度、比表面和表面态分布等),可以大大改善其催化活性。 表面修饰的半导体光电极 单纯半导体光电极一般催化活性不高,采用表面修饰方法(如沉积法、强吸附法、共价法和聚合成膜法等)将具有某些功能的物质(金属、半导体、化学基团和聚合物)附着于电极表面,使它成为表面修饰电极,就能改善和扩大电极功能。当具有催化活性的物质以高分散的岛状分布修饰在半导体电极表面并形成透光的肖特基接触时,就可能改变反应势垒,提高反应速率。例如,在半导体二氧化钛光阳极表面修饰上铂或钯,可大大提高乙醇水溶液光电催化氧化同时放氢的速率。 太阳能利用中的光电催化问题 目标是提高太阳能转换成化学能的光能转换效率,以期取得应用价值。除了光电催化水分解以制取氢燃料外,光电催化固氮成氨,固二氧化碳成有机物,光电合成化学药品和材料以及利用光电催化变废为利、保护环境等,都是有理论和实践意义的太阳光电催化的课题。普遍存在的问题是:光能转换效率低,大多在1%~3%甚至更小;催化剂活性不够高;催化剂选择性不够好,大多是系列产物分布;催化剂寿命不够长,连续使用期仅数月或数年。