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因子设计法优化掺硼金刚石电催化降解染料废水

Keywords: 掺硼金刚石,因子设计,电催化,染料废水,降解

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Abstract:

掺硼金刚石电催化工艺(BDD工艺)作为当前热门的水处理技术,已被成功用于降解多种有机污染物。采用因子设计方法,考查了BDD工艺对偶氮染料金橙-II的降解效能。实验选用染料初始浓度、反应时间、电解质浓度、施加电流和流速作为操作参数,并以脱色率作为响应指标来评估各参数的统计学显著性。在考察的5个因素中,前两者对于处理效果具有最为显著的影响。为此,在高因子水平情况下又进一步分析了它们的主效应和相互效应,同时构造了回归模型。实验结果表明,因子设计法对于优化BDD工艺是非常适用的,并显示了其实际应用的前景。

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