Kinetics of Photocatalytic Degradation of Methylene Blue over TiO2 Particles in Aqueous Suspensions

被引：0
|
作者：
史载锋
范益群
徐南平
时钧
机构：
来源：
Chinese Journal of Chemical Engineering | 2000年 / 01期
关键词：
kinetics; photocatalytic; titania;
D O I：
暂无
中图分类号：
O621.25 [];
学科分类号：
070303 ; 081704 ;
摘要：
The kinetics of photodegradation of methylene blue over UV light illuminated titania particles in aque-ous suspensions has been studied with different initial methylene blue concentrations and TiOparticle sizes.Thedegradation rate increases with the decrease of initial concentration and particle size.A quasi-experienced modelfor photodegradation rate is derived based mainly on the coinstantaneous effects of different initial concentrationsand partic1e sizes.The mathematica1 re1ationships of model parameters with initia1 concentration and particle sizeare given.The model results of the photodegradation rate of methylene blue are coincident with the experimentaldata.
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页码：19 / 23
页数：5
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