Experimental study of photocatalytic oxidation of formaldehyde and its by-products

被引：34
|
作者：
Liu, HM [1 ]
Ye, XJ
Lian, ZW
Wen, YG
Shangguan, WF
机构：
[1] Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200030, Peoples R China
[2] Shanghai Maritime Univ, Merchant Marine Coll, Shanghai 200135, Peoples R China
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2006年 / 32卷 / 01期
关键词：
formaldehyde; photocatalysis; carbon dioxide; carbon monoxide; titanium dioxide;
D O I：
10.1163/156856706775012978
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Formaldehyde is one of the most harmful pollutants that endanger occupants' health and the way of its effective removal has become a focus in the field of air quality. This paper studies the static photocatalytic removal of formaldehyde experimentally and finds out that carbon monoxide, which is more harmful to occupants' health than the formaldehyde itself, is one of the by-products in the process of photocatalytic oxidation of formaldehyde. The increase of carbon monoxide concentration should be taken into consideration in the photocatalytic application. The photocatalyst surface at room temperature can weakly adsorb CO and CO2, which can deactivate the photocatalysts.
引用
收藏
页码：9 / 16
页数：8
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