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Fe(Ⅲ) 酒石酸盐配合物对双酚A模拟废水的光处理

Keywords: 双酚A,Fe(Ⅲ),酒石酸盐,光化学,降解

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Abstract:

主要研究了卤灯光照下,Fe(Ⅲ)-酒石酸盐配合物体系对双酚A(BPA)的光化学降解,考查了光源、初始pH值、各反应物初始浓度等因素对双酚A光降解的影响。结果表明:卤灯或太阳光照射下,BPA在Fe(Ⅲ)-酒石酸盐配合物体系中能够有效地实现光降解;光强从8.8×104Lux增加到1.2×105Lux,BPA降解率从68.9%提高到92.8%;BPA的降解率及Fe(Ⅲ)-酒石酸盐配合物光解过程中产生的·OH浓度均随pH增大而减小;Fe(Ⅲ)-酒石酸盐配合物光氧化BPA过程中溶液的pH逐渐升高;过量的酒石酸盐有利于Fe(Ⅲ)/Fe(Ⅱ)的循环进行。

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