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响应面优化CCl4增强超声降解左旋氧氟沙星模拟废水

Keywords: 左旋氧氟沙星,超声波,CCl4,降解,响应面优化法

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Abstract:

利用响应面优化实验设计方法对CCl4增强超声降解左旋氧氟沙星模拟废水的影响因素进行探讨和分析,考察了溶液初始pH值、超声功率、左旋氧氟沙星初始浓度的影响。应用Box-Behnken中心组合设计得到一个二次多项式数学模型,确定了US/CCl4降解左旋氧氟沙星的优化条件:初始pH值6.8,超声功率189W,左旋氧氟沙星初始浓度为5mg/L时,左旋氧氟沙星的去除率达到最大(82.99%)。经实验验证,实际值与模型预测值吻合性良好,偏差仅为0.036%。

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