混凝-Fenton氧化法处理伪装涂料废水研究
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摘要
通过混凝和Fenton相结合的方法处理伪装涂料废水。以COD为考察指标,讨论了混凝剂的种类、投加量、pH、助凝剂的添加等因素对混凝实验的影响及pH、H_2O_2和FeSO_4投加量对Fenton氧化实验的影响。混凝-Fenton氧化法可有效地降低废水的COD,使其达到《污水排入城市下水道水质标准》(CJ 3082—1999)的排放要求(≤500mg/L),COD的总去除率可达98.7%。
The combined process,coagulation-Fenton oxidation,has been used for the treatment of camouflage coating wastewater. Using COD as an investigating index,the influences of the factors,such as coagulant species,dosage,p H and dosing of coagulant aid,on coagulation experiments,as well as the influences of pH,and dosages of H_2O_2 and FeSO_4 on Fenton oxidation experiments are discussed. Coagulation-Fenton oxidation process can effectively reduce wastewater COD,making it possible to meet the discharge requirements(≤500 mg/L)specified in the "Water Quality Standard of Wastewater Discharged into Urban Drainpipes(CJ 3082—1999). The total removing rate of COD can reach 98.7%.
The combined process,coagulation-Fenton oxidation,has been used for the treatment of camouflage coating wastewater. Using COD as an investigating index,the influences of the factors,such as coagulant species,dosage,p H and dosing of coagulant aid,on coagulation experiments,as well as the influences of pH,and dosages of H_2O_2 and FeSO_4 on Fenton oxidation experiments are discussed. Coagulation-Fenton oxidation process can effectively reduce wastewater COD,making it possible to meet the discharge requirements(≤500 mg/L)specified in the "Water Quality Standard of Wastewater Discharged into Urban Drainpipes(CJ 3082—1999). The total removing rate of COD can reach 98.7%.
引文
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[2]Akyol A.Treatment of paint manufacturing wastewater by electrocoagulation[J].Desalination,2012,285:91-99.
[3]张汉兴,姚际衡,葛梅.涂料废水处理工艺研究[J].上海化工,2005,30(7):3-5.
[4]杨新萍,王世和.Fenton氧化与混凝耦合法处理有机氯农药废水的研究[J].工业水处理,2006,26(4):62-65.
[5]何志明.微曝气Fenton氧化法-厌氧-好氧组合工艺处理含双酚A废水研究[D].江苏:江南大学,2009.
[6]HJ/T 399—2007水质化学需氧量的测定快速消解分光光度法[S].
[7]马骥,李明亮,郭宗华,等.聚合硫酸铝和聚丙烯酰胺复合絮凝剂的研究[J].重庆科技学院学报:自然科学版,2010,12(1):21-22.
[8]张建明.高效污水快速净化装置处理乳品废水的混凝剂选择试验[D].邯郸:河北工程大学,2008.
[9]李风亭.混凝剂与絮凝剂[M].北京:化学工业出版社,2005.
[10]罗超超,彭娜.PFS—PAM混凝耦合Fenton氧化法处理洗涤废水的研究[J].广东化工,2011,38(2):119-121.
[11]李珍.高COD化工废水处理工艺研究[D].长沙:中南大学,2013.
[12]刘燕韶,赵传山,马厚悦.制浆造纸污水Fenton氧化深度处理工艺[J].纸和造纸,2009,28(9):54-56.
[13]刘晓静,文一波.Fenton试剂法深度处理造纸废水的实验研究[J].中国资源综合利用,2007,25(4):11-13.
[14]刘千钧,袁斌,伍红,等.Fenton法深度处理制浆造纸综合废水实验研究[J].造纸科学与技术,2009,28(4):57-59.
[15]稂友明.混凝-Fenton氧化法处理印染废水试验研究[D].长沙:长沙理工大学,2010.
[16]Kavitha V,Palanivelu K.Destruction of cresols by Fenton oxidation process[J].Water Research,2005,39(13):3062-3072.