文件检索课实习作业(2)

2021-09-24 12:52

作者:

刘德新[1]张博[2]王跃[1]邢荣琦[2]王庭祥[3]

1. 霸州市疾病预防控制中心,河北,霸州,065703

作者单位:

2. 河北省卫生厅卫生监督局,河北,石家庄,050071 3. 保定市第三医院,河北,保定,071000 中国热带医学 ISTIC CHINA TROPICAL MEDICINE R187

光触媒技术 消毒杀菌 净化空气

期 刊: Journal: 分类号: 关键词:

年,卷(期): 2009, 9(8)

机标分类号: TU8 TQ4

光触媒空气净化器净化效果评价

Evaluation on purification effectiveness of photocatalyst air purifier

摘要:

光触媒(Photo catalyst)也称为光催化剂(Light catalyst),是具有催化功能的半导体材料的总称.在光源照射下,它能够利用特定波长光源的能量产生催化作用(氧化还原反应),使周围的氧气及水分 子激发成具活性的OH-及O2-等自由离子基,这些自由基几乎可分解所有对人体或环境有害的有机物质及部分无机物质.目前的GB/T 18801-2002<空气净化器>中仅限于过滤式和静电式空气净化器,或者两者的组合,没有光触媒产品的国家标准.

作者: 期 刊: Journal: 分类号:

石峰 张红 李丽 江媛媛 黄东海 中国卫生工程学

CHINESE JOURNAL OF PUBLIC HEALTH ENGINEERING R1

作者单位: 山东省疾病预防控制中心,济南,250014

年,卷(期): 2008, 4(1) 机标分类号: TU8 O44

一种光触媒高效空气净化器的实验研究

Experimental Study on Efficient Photocatalysis Air Cleaning Device

摘要:

为了达到高效净化 空气的目的,从物理方法入手,利用二氧化钛光触媒的光催化作用、短波紫外线和臭氧的生物效应原理,通过"多波段谐振光源"和"导流回旋风道"的设计,研制 出一款光触媒高效空气净化器,具有净化空气能力强、效果持久稳定、无二次公害和维持费用低、操作简便、适用

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范围广等优点.细菌的去除效率在90.9%以 上,甲醛去除效率为63.9%,氨去除效率为86.2%.

作者: Author: 期 刊:

闫其年刘志强杨景发张子生

YAN Qi-nian LIU Zhi-qiang YANG Jing-fa ZHANG Zi-sheng 河北大学学报(自然科学版) ISTICPKU

作者单位: 河北大学,物理科学与技术学院,河北,保定,071002

Journal: JOURNAL OF HEBEI UNIVERSITY(NATURAL SCIENCE EDITION) 年,卷(期): 2011, 31(1) 分类号: 关键词:

X505

光触媒 二氧化钛 导流回旋风道 空气净化器

机标分类号: TQ4 O64

TiO2光触媒担载多孔陶瓷室内空气净化元件的研究

Study on TiO2 Photocatalyst Carrying Porous Ceramics for Gas Purification Indoor

摘要:采用Sol-gel法在多孔陶瓷载体上担载TiO2光触媒的方法制备室内空气净化元件,并且结合空气净化性能检测结果,对溶胶浸渍次数和热处理温度对其室内空气净化性能的影响因素进行了分析. 作者: 期 刊: Journal: 分类号: 关键词:

孟宪谦 薛友祥 吕华 崔海波 秦金海 李宪景 现代技术陶瓷

ADVANCED CERAMICS TQ174

TiO2光触媒 多孔陶瓷 空气净化

作者单位: 山东工业陶瓷研究设计院,淄博,255031

年,卷(期): 2007, 25(2)

机标分类号: TQ4 TQ2

外文期刊(找3篇):说明使用的数据库(Ei Village 2)

1.Room-light-induced indoor air purification using an efficient Pt/N-TiO2 photocatalyst

Sun, Hongqi1; Ullah, Ruh1; Chong, Siewhui1; Ang, Hua Ming1; Tadé, Moses O.1; Wang, Shaobin1

Source: Applied Catalysis B: Environmental, v 108-109, p 127-133, October 11, 2011; ISSN: 09263373; DOI:

10.1016/j.apcatb.2011.08.017;

Publisher: Elsevier

Author affiliation:Dept. of Chemical Engg., and CRC for Contamination Assessment, Remediation of the Environment, Curtin University, GPO Box U1987, Perth, WA 6845, Australia Abstract: A conceptual air purifier harvesting fluorescent room lights was tested in this study. Visible photocatalysis was applied to facilitate the degradation of volatile organic compounds (VOCs) on a highly efficient visible light photocatalyst, Pt/N-TiO2 synthesised via a sol-gel process. The as-prepared photocatalyst was characterised by many techniques, such as XRD, XPS, UV-vis DRS, N2 adsorption and SEM, etc. XPS spectra revealed that platinum was at a chemical state of 2+, while nitrogen existed as NOx species. The unique chemical compositions made the photocatalyst respond to visible light with a band gap of 2.69eV, and present a broad absorption

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shoulder extended further into infrared region. The photocatalytic activities under irradiations of λ>387, 430 and 490nm were evaluated by photodegradation of phenol solutions. Under UV-vis light, the Pt/N-TiO2 exhibited 5.5 times higher activity than Degussa P25. Various gaseous pollutants were degraded by employing the Pt/N-TiO2 in a batch reactor. The capability of photodegradation of VOCs under room lights was also proven by the decomposition of gaseous toluene in a continuous reactor using fluorescent lamps (6×10W). The mechanism of the enhanced activity in degradation of VOCs and potential application were discussed. ? 2011 Elsevier B.V. (41 refs.)

Database: Compendex

2.Titanium dioxide coated cementitious materials for air purifying purposes: Preparation, characterization and toluene removal potential

Ramirez, Anibal Maury1; Demeestere, Kristof2; De Belie, Nele1; Mäntylä, Tapio3; Levänen, Erkki3

Source: Building and Environment, v 45, n 4, p 832-838, April 2010; ISSN: 03601323; DOI: 10.1016/j.buildenv.2009.09.003; Publisher: Elsevier Ltd Author affiliation:

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