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Photocatalytic oxidation of aqueous naproxen with a horizontally placed solar CPC slurry reactor

机译：水平放置的太阳能CPC淤浆反应器对萘普生水溶液的光催化氧化

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A solar photocatalytic reactor, that includes a horizontal compound parabolic collector (CPC) with a unitary geometrical concentration ratio, was designed, built and tested. The reactor was used for the photocatalytic oxidation of aqueous naproxen (NPX) with solar UV irradiance. NPX (C-o = 10 mg/L) and its intermediate products were monitored by UV-Vis spectrophotometry after filtering the samples. This target molecule was effectively removed when solar irradiance, Evonik P25 TiO2 and persulfate were used together. No intermediate products remained at important concentrations at the end of the reactions. The reaction kinetics fit partially to a pseudo-first-order Langmuir-Hinshelwood kinetic model. NPX and its intermediate compounds were removed with global efficiencies of up to 99%. These results indicate that the TiO2-based photocatalytic reactor, with a good optical design for the CPC collectors, can be effective in detoxifying polluted waters.
机译：设计，建造和测试了一种太阳能光催化反应器，该反应器包括具有单一几何浓度比的水平复合抛物线形收集器（CPC）。该反应器用于在太阳紫外线辐射下对萘普生水溶液（NPX）进行光催化氧化。过滤样品后，通过UV-Vis分光光度法监测NPX（C-o = 10 mg / L）及其中间产物。当太阳辐射，Evonik P25 TiO2和过硫酸盐一起使用时，该目标分子被有效去除。在反应结束时，没有中间产物保持在重要的浓度。反应动力学部分符合拟一级Langmuir-Hinshelwood动力学模型。 NPX及其中间化合物的去除效率高达99％。这些结果表明，基于TiO2的光催化反应器对CPC收集器具有良好的光学设计，可以有效地对污水进行解毒。

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