混凝-SBR法联合处理造纸废水

混凝-SBR法联合处理造纸废水
刘琼玉;刘君侠;刘延湘;吴晨玥;蔡冰清;车静;周亮
【期刊名称】《江汉大学学报（自然科学版）》
【年(卷),期】2011(039)003
【摘要】The treatment of the papermaking wastewater by using coagulation,SBR,and coagulation-SBR combined processes were studied.The effects of coagulant type,the dosage of coagulant,pH and stirring rate on treatment efficiency were discussed.The results indicated that the PFS（poly ferric sulfate） was more efficient than FeSO and AlSO for the treatment of papermaking wastewater.Orthogonal test showed that the dosage of PFS had significant influences in the removal of chemical oxygen demand（COD）.The removal rates of COD were low and not ideal with direct coagulation process and direct SBR process.With using coagulation-SBR combined processes,the COD of papermaking wastewater wa s reduced from 15€E？84 mg/L to 741 mg/L and the total removal rates of COD was observed to be 95.4%.The COD of papermaking wastewater can be attained to national control standard with solar photo-Fenton oxidation after coagulation-SBR combined processes.%探讨了混凝法、SBR 法以及混凝-SBR法联合工艺对造纸废水的处理效果,分析了混凝剂种类、混凝剂用量、pH值、搅拌速度等因素对造纸废水混凝处理效果的影响.结果表明,聚合硫酸铁（PFS）对造纸废水的混凝处理效果优于硫酸铁和硫酸铝.正交实验结果表明PFS 投加量对混凝处理效果有显著影响.直接采用混凝法和SBR法处理造纸废水的效果
不理想;采用混凝-SBR法联合处理,可使造纸废水的COD由15984mg/L降低至741mg/L,COD去除率达到95.4%.经过混凝-SBR法联合处理后的出水,再采用太阳光Fenton氧化处理,COD可达到国家排放标准.
【总页数】5页(P36-40)
【作者】刘琼玉;刘君侠;刘延湘;吴晨玥;蔡冰清;车静;周亮
【作者单位】江汉大学化学与环境工程学院,湖北武汉430056;江汉大学化学与环境工程学院,湖北武汉430056;江汉大学化学与环境工程学院,湖北武汉430056;江汉大学化学与环境工程学院,湖北武汉430056;江汉大学化学与环境工程学院,湖北武汉430056;江汉大学化学与环境工程学院,湖北武汉430056;江汉大学化学与环境工程学院,湖北武汉430056
【正文语种】中文
【中图分类】X703
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