摘要
以铁片为电极极板,采用电絮凝法处理含铬电镀废水。考察了通电时间、pH值、电流密度、极板间距等因素对Cr(VI)的去除率的影响。结果表明:在通电时间为30min、pH值为4.0~6.0、电流密度为100A/m~2、极板间距为3cm的条件下,Cr(VI)的去除率达到99%以上。
Iron plate was used as electrode plate,and electroplating wastewater containing chromium was treated by electrocoagulation.The influences of power-on time,pH value,current density,electrode plate distance and other factors on the removal rate of Cr(VI) were investigated.Results showed that,when power-on time was 30 min,pH value was 4.0~6.0,current density was 100A/m~2 and electrode plate distance was 3cm,the removal rate of Cr(VI)was above 99%.
引文
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