Application of TiO2 photocatalysis for air treatment: Patents' overview

被引：309
|
作者：
Paz, Yaron [1 ,2 ]
机构：
[1] Technion Israel Inst Technol, Dept Chem Engn, IL-32000 Haifa, Israel
[2] Technion Israel Inst Technol, Russell Berrie Nanotechnol Inst, Haifa, Israel
来源：
APPLIED CATALYSIS B-ENVIRONMENTAL | 2010年 / 99卷 / 3-4期
关键词：
Titanium dioxide; Air treatment; Patents; Photocatalysis; Review; TITANIUM-DIOXIDE; OXIDATION; WATER; PHOTODEGRADATION; TOLUENE;
D O I：
10.1016/j.apcatb.2010.05.011
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A review of patents on the application of titanium dioxide photocatalysis for air treatment is presented. A comparison between water treatment and air treatment reveals that the number of scientific publications dedicated to photocatalytic air treatment is significantly lower than the number of scientific manuscripts dedicated to photocatalytic water treatment, yet the situation is reversed upon comparing relevant patents. This indicates a growing interest in the implementation of photocatalysis for air treatment purposes, which surpasses that of water treatment. This manuscript analyzes the various patents in the area of air treatment, while differentiating between indoor air treatment and outdoor air treatment. Specific efforts were made to characterize the main challenges and achievements en-route for successful implementation, which were categorized according to mass transport, adsorption of contaminants, quantum efficiency, deactivation, and, no less important, the adherence and the long term stability of the photocatalyst. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：448 / 460
页数：13
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