光催化的

The reseach development of TiO2 photocatalysis technology was presented, and the mechanism of photocatalytic activity of nano-TiO2 was analyzed.

介绍了纳米TiO2光催化技术的研究进展，分析了纳米TiO2的光催化机理，详细论述了影响TiO2光催化活性的主要因素。

By photo-catalysis experiment test the reactiveness of TiO2 particle as photocatalyst, which is prepared in our lab. By compared with the one that is bought from Germany, we can know the ratio of reactiveness of it against the one from Germany is about 74%.

在光催化实验中，检验了本实验室产二氧化钛粉体的光催化活性，可知其在苯酚降解中的光催化效率达到德国产粉体的74％左右。

The results showed that the application of photocatalytic oxidation to the treatment of wastewater was feasible and efficient, but it was affected by the operation conditions.There existed optimum value of the dosage of catalyst, initial benzamide concentration and pH value for the photocatalytic oxidation performance.H2PO-4,Cl-, Cu2+ and Al3+ showed obvious inhibition to the photocatalytic oxidation.

结果表明，循环式浆态光催化反应器中光催化剂的用量、污染物的初始浓度和初始pH值对模拟污染物光催化降解性能的影响存在适宜值；体系中H2PO-4、Cl-、Cu2+、Al3+对其光催化降解过程有明显的抑制作用。

Bismuth oxyhalide compounds show better photocatalytic activities than TiO2 (P25). With the increasing of X atomic numbers, photocatalytic activities of BiOX are enhanced in sequence.

卤氧化铋的光催化活性普遍优于商品TiO2 (P25)的光催化活性，并且随着卤素原子序数的增加光催化活性逐渐增强。

Based on a brief review of semiconductor photocatalytic mechanism and researches in the past 30 years on TiO2 heterogeneous photocatalysis, this paper emphasizes that the natural vanadiferous rutile and its modified products, which have not been investigated by either Chinese or foreign research groups, degrade halogenated organic contaminants. By means of grinding, heating in situ, heating, quenching and electron irradiation, the natural rutile could be modified.

在简述半导体光催化理论及TiO2多相光催化作用近30年研究现状的基础上，重点对国内外一直处於空白状态的天然含钒金红石光催化性能进行研究。

Nanometers photocatalytic principles and characteristics are introduced. Especially the advantages and disadvantages of decontaminating air are showed by single nanometer photocatalysis or activated carbon fibers. The advantages of their combination are analyzed.

本文重点介绍了纳米光催化原理、特点及纳米光催化或活性炭纤维单独净化空气时的优缺点，分析了将纳米光催化和活性炭纤维相结合的方式及优点。

This article reviewed the question of the photochemical catalysis material development condition and existed the problem at present, and elaborated comprehensively the nanometer TiO_2 photo-chemical catalysis technology in aspect of the application, modification, preparation, carrier research situation and so on, and introduced the nanometer TiO_2 photo-catalyst and its the doping sample and the carrier preparation method and the photochemical catalysis activeness appraisal and the attribute experimental technique in detail.

本文系统回顾了光催化材料的发展状况及现在所存在的问题，全面阐述了纳米TiO_2光催化技术在应用、改性、制备、载体等方面的研究情况，详细介绍了纳米TiO_2光催化剂及其掺杂样品、载体制备方法、光催化活性评价及表征实验方法。

The photocatalytic activity is investigated by photodegradation of pentachlorophenol using self-made reactor device.

在自制光催化反应器中，通过五氯酚的光催化降解实验研究了掺铁TiO2的光催化性能。

Compared with traditional method, the inventive optical catalyst has higher activity and high utilization on ultraviolet light.

光催化材料粒径集中分布于10-12nm之间；晶体晶型多为锐钛矿型；较传统方法制备的光催化材料相比光催化活性明显提高；对紫外光的利用率显著提高，且可部分利用可见光。

This photocatalyst was used to treat wastewater containing azo dye. It shows that natural rutile photocatalyst has certain photocatalytic action on azo dye.

用制备的天然金红石光催化材料处理含偶氮染料废水，结果表明其对偶氮染料的作用既有吸附，也有降解，表明天然金红石光催化材料有一定的光催化活性。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。