Photocatalytic degradation of mixed surfactants and some commercial soap detergent products using suspended TiO2 catalysts

被引:36
作者
Rao, NN
Dube, S
机构
[1] Ctrl. Salt and Mar. Chem. Res. Inst.
关键词
surfactants; degradation; photocatalysis; titanium dioxide; SODIUM DODECYLBENZENE SULFONATE; AQUEOUS SEMICONDUCTOR DISPERSIONS; TITANIUM-DIOXIDE; PHOTODEGRADATION; PHOTOOXIDATION; INTERFACES; PARTICLES;
D O I
10.1016/1381-1169(95)00259-6
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
Photocatalytic degradation of binary and ternary mixtures of three surfactants, viz., dodecylbenzene sulphonic acid, sodium salt (DBS), cetylpyridinium chloride (CPC) and Triton X-100 (TX-100) has been examined. Indian origin TiO2 powder was used as photocatalyst in addition to Degussa P-25 TiO2. These studies were also extended to some commercial soap/detergent formulations. Both surfactant mixtures and commercial formulations photodegrade with comparable efficiency under these conditions.
引用
收藏
页码:L197 / L199
页数:3
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