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Al/C/Fe复合电极电絮凝法同时除氟除砷(Ⅴ)

Keywords: 地下水,Al/C/Fe复合电极,电絮凝,同时除氟除砷

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Abstract:

为了同时去除地下水中的氟和砷,提出了Al/C/Fe复合电极电絮凝法和Al/C-Fe/C依次除氟砷法,并进行效果对比。研究了Al/C/Fe复合电极电絮凝法的影响因素,并对复合电极电絮凝产生的絮体进行了SEM-EDX分析。结果表明,Al/C/Fe复合电极电絮凝法对氟、砷的去除速率分别是Al/C-Fe/C依次除氟砷法的1.43倍和4.73倍;初始氟/砷浓度为4.0/1.0、4.0/0和0/1.0mg/L3种条件下,通过铝极板、铁极板的电流密度均为0.10mA/cm2时,达到最好的除氟除砷效果,与初始氟/砷浓度无关。

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