多相光催化反应中太阳光与电光源效率比较  

COMPARATIVE STUDY ON PERFORMANCE EFFICIENCY USING LAMP AND SOLAR IN PHOTOCATALYTIC DEGRADATION PROCESS

作　　者：王怡中[1] 符雁[1] 

机构地区：[1]中国科学院生态环境研究中心环境水化学国家重点实验室

出　　处：《太阳能学报》1998年第1期36-40,共5页Acta Energiae Solaris Sinica

基　　金：国家自然科学基金;中国科学院资源与生态研究重点资助项目

摘　　要：报道了利用电光源和太阳光源三种光化学反应系统的特性，以及在甲基橙溶液光催化脱色反应中的运行效果，并将实验结果进行综合评价比较。说明在多相光催化反应中，太阳光可以代替电光源，能够得到更好的污染物去除效果。利用太阳能可以大幅度降低运转费用，电光源可以作为太阳光的辅助手段。This paper generalized the structure characteristics of three different configuration photoreactors:The annular type irradiated by lamp,solar shallow pond and solar flat plate.In order to put forward design recommendation for industrial application the performance efficiency for three kinds of photoreactors has been compared.Which was determined by the first order rate constant in photocatalytic decolourization of methyl orange in TiO 2 suspension.It demonstrates that solar could be considered as an altemative light source in photoreactors not only for the low runing and construction cost but also for their successful performance.Both solar photoreactors shallow pond and flat plate are also good configurations for further application.Suggesting that it will be more efficient with combining both advantages.It was been proved that photocatalytic oxidation using solar energy mainly with auxiliary electric lamp should be feasible for water treatment technology on industrial scale.

关 键 词：多相光催化氧化 太阳能 光电源 光化学反应 

分 类 号：TK511.4[动力工程及工程热物理—热能工程] O644[理学—物理化学]