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负载型TiO2膜太阳光光催化降解活性深蓝K-R的研究

Keywords: 太阳能光催化氧化,TiO2膜,玻璃弹簧,活性深蓝K-R,反应动力学

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Abstract:

采用抛物线槽型反应装置,研究了玻璃弹簧和微珠负载型TiO2膜太阳光催化降解活性深蓝K-R,结果表明,由于玻璃弹簧具有良好的光透距离,脱色性能显著优于玻璃微珠,玻璃弹簧为载体,水溶液浓度为15mg/L,pH为3,流速为20mL/s,太阳光强度在1200μW/cm2以上,光降解6h时,脱色率达到96%;该降解反应可用一级反应动力学方程进行描述,反应速率常数(K)与光强I的关系为:K∝I1.92。

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