NaClO/Fe^(2+)氧化法深度处理草浆造纸废水实验研究  

Advanced Treatment of Pulping and Papermaking Wastewater by NaClO/Fe^(2+) Oxidation

作　　者：杨丽云 李怡帆[1] 薛载坤[1] 孙剑辉[1] 

机构地区：[1]河南师范大学化学与环境科学学院黄淮水环境与污染防治教育部重点实验室河南省环境污染控制重点实验室,河南新乡453007 [2]新乡学院化学与化工学院,河南新乡453003

出　　处：《河南师范大学学报（自然科学版）》2011年第3期108-110,130,共4页Journal of Henan Normal University(Natural Science Edition)

基　　金：河南省重点科技攻关项目(102102310244);河南省基础与前沿技术研究项目(102300410098);河南省软科学研究计划项目(102400430062)

摘　　要：采用NaCl O/Fe2+氧化法深度处理经厌氧、好氧处理后的草浆造纸废水,通过正交实验和单因素试验,研究了各主要因素对废水COD去除效果的影响,确定了最佳工艺条件.结果表明:NaCl O/Fe2+法对COD去除率影响的顺序为:NaCl O用量>Fe2+用量>反应时间;在进水COD浓度为340 mg/L,pH值为7~8.3、10%工业级Na-Cl O投加量为2.5 mL/L,FeSO4投加量为6 mmol/L,反应时间为30 min的条件下,废水COD的去除率为77.87%,处理后废水的COD值降到76 mg/L以下,满足GB3544-2008《制浆造纸工业水污染物排放标准》中COD排放浓度80 mg/L的限值要求.NaClO /Fe2+ oxidation method is used to treat pulping and papermaking wastewater,which is pre-treated by anaerobic and aerobic process.The effect of the main factors on COD removal of the wastewater is investigated by orthogonal and single factor experiment to determine the optimum process conditions.The results show that the effect of NaClO /Fe2+ oxidation on the COD removal in the following order: NaClO dosage > Fe2+ dosage > reaction time.After 30 min NaClO /Fe2+ oxidation reaction and under the operation conditions of influent COD 340 mg/L,pH 7～8.3,the dosage of 10% industrial grade NaClO 2.5 mL/L and the amount of FeSO4 6 mmol/L,77.87% of COD is removed and the effluent COD concentration drops to below 76 mg/L,which has achieved the limits requirements of COD discharge concentration 80 mg/L in GB3544-2008 'Water Pollutant Discharge Standards of Pulp and Paper Indastry'.

关 键 词：NaClO/Fe2+氧化法 草浆造纸废水 深度处理 

分 类 号：N55[自然科学总论] G658.3[文化科学—教育学]