采用PVA对高岭土进行改性,制成了一种新型粒子电极-PVA-kaolin,并采用FT-IR、XRD对其进行了表征.实验将其填充在阴阳两极之间,在三维电极体系中对十二烷基苯磺酸钠(SDBS)进行了电催化降解.结果表明:PVA浓度0.1g/L,PVA-kaolin投加量13 g,pH值为10,SDBS浓度300 mg/L,电流密度100 mA/cm2,Na2SO4投加量为3 g时降解20 min,SDBS去除率可达80.85％.动力学分析表明,相比于SDBS初始浓度,粒子电极投加量对降解效果的影响较大.另外,实验所制备粒子电极具有较好的重复使用性.
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