摘要
电凝聚是一种有效地处理制浆造纸工业废水的技术。对于处理制浆造纸工业废水的一些影响因素如电解时间、应用的电流密度、电解pH值及有利于提高电解效率的因素一直都研究着。从现在的实验结果可以看到,使用电凝聚处理废水的效果非常显著。有记录显示的低碳钢电极和铝电极最大的脱色率分别达到92%和84%,COD去除率分别为95%和89%。实验也指出用序列间歇反应器[Sequential Batch Reactor(SBR)]与电凝聚联合能增加生物降解能力,从而提高生物化学处理效率。电凝聚是用吸附等温线形式模拟,实验发现与朗缪尔(Langmuir)和雷德克-普劳斯尼茨(Radke-Prausnitz)预测的等温线模型完全匹配。
Electrocoagulation is an effective technique for treatment of pulp and paper industrial effluent. The influence of electrolysis time, applied charge density, electrolyte pH and supporting electrolyte on electrocoagulation efficiency for the treatment of pulp and paper industrial effluent has been attempted in the present investigation. It has been observed from the present experimental results that the effluent can be effectively treated using electrocoagulation. The maximum color removal efficiencies were recorded as 92% and 84% for mild steel and aluminum electrode respectively. The maximum COD reduction has been recorded as 95% and 89%. Experiments were also carried out coupling electrocoagulation with Sequential Batch Reactor （SBR） to improve the efficiency of biochemical treatment by increasing the biodegradability index through electrocogulation. The electrocoagulation was modeled using various adsorption isotherms and observed that the Langmuir and Radke-Prausnitz isotherm models predictions match satisfactorily with the experimental observations.
出处
《中华纸业》
CAS
北大核心
2009年第7期101-107,共7页
China Pulp & Paper Industry
