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高频脉冲介质阻挡放电去除水中17β-雌二醇

Keywords: 介质阻挡放电,环境雌激素,17β-雌二醇,降解速率常数

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Abstract:

实验采用高频脉冲介质阻挡放电工艺处理水体中的17β-雌二醇(E2)。结果表明,该工艺可以有效地降解水中的E2,E2的降解过程符合一级反应动力学模型。当体系脉冲峰-峰电压为24kV,初始浓度为100μg/L的E2在超纯水中的降解一级反应速率常数为0.1314min-1。E2的降解速率常数随脉冲峰-峰电压的增大而升高,随E2初始浓度和溶液初始pH增加而降低,溶液初始电导率对E2的降解影响不大。

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