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首页> 外文期刊>Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications >A comparative study of photocatalytic degradation of 3-chloropyridine under UV and solar light by homogeneous (photo-Fenton) and heterogeneous (TiO2) photocatalysis
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A comparative study of photocatalytic degradation of 3-chloropyridine under UV and solar light by homogeneous (photo-Fenton) and heterogeneous (TiO2) photocatalysis

机译：均相（光芬顿）和多相（TiO2）光催化在紫外线和太阳光下降解3-氯吡啶的比较研究

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摘要

Photocatalytic degradation of 3-chloropyridine in the homogeneous (photo-Fenton) and heterogeneous (TiO2) phase was studied using both UV and sun light. Complete mineralization was achieved in both cases though times required in photo-Fenton process were ca. 5 times shorter under our experimental conditions. Results found at lab scale (solar simulator) were successfully extrapolated to a larger scale (30 L) thus evidencing the validity of the method for treatment of waters polluted with this kind of chemical. Toxicity tests (Vibrio fischeri) showed that some intermediates more toxic than 3-chloropyridine were formed as reaction proceeded.
机译：使用紫外光和阳光研究了3-氯吡啶在均相（Fenton）相和非均相（TiO2）相中的光催化降解。在两种情况下均实现了完全矿化，尽管光芬顿法所需的时间约为3分钟。在我们的实验条件下缩短了5倍。在实验室规模（太阳能模拟器）上发现的结果已成功地外推到更大的规模（30 L），从而证明了该方法用于处理被此类化学物质污染的水的方法的有效性。毒性试验（费氏弧菌）表明，随着反应的进行，形成了一些毒性比3-氯吡啶更高的中间体。

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