电催化-光化组合物化技术处理活性黄模拟染料废水的研究
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摘要
偶氮废水成分复杂、有机物浓度高、难降解等特点,是难以处理的工业废水之一。本研究采用电催化-光化组合物化技术,以活性黄染料为处理对象,对模拟染料废水的处理优化条件进行探究。在一定电压条件下,考察了溶液初始pH值、电解质NaCl浓度、染液温度,以及染液流速对电解处理效果的影响;处理后的废水继续进行紫外光汞灯光化降解处理。研究结果表明,在pH=4、C_(Nacl)=0.2g/L、T=20℃、V=65.46ul/min、t_(光化)=30mins的条件下,活性黄模拟染料废水的脱色率达95%,COD去除率达67%。
Dye wastewater containing azo is defined as one of the most difficult industrial wastewater to be treated effectively on account of its complex composition、high concentration of organic compounds and concentration of refractory organics.This project used the combination technology of electrocatalysis and photochemical to treat dye wastewater containing reactive yellow in order to figure out the optimum treatment conditions of analogue dye wastewater.The effects of initial pH value of solution,concentration of electrolyte,temperature of dye wastewater and flow rate of dye solution on electrolytic treatment were investigated under certain voltage conditions.After electrolytic treatment,simulation dyeing wastewater proceeded with photochemical treatment.Under the conditions of Ph value 4、sodium chloride concentration 0.2 g/L、dye wastewater temperature 20℃、flow rate 65.46 ul/min,photochemical treatment time 30 mins,the decolorization rate is over 95% and the COD removal rate is nearly 67%.
Dye wastewater containing azo is defined as one of the most difficult industrial wastewater to be treated effectively on account of its complex composition、high concentration of organic compounds and concentration of refractory organics.This project used the combination technology of electrocatalysis and photochemical to treat dye wastewater containing reactive yellow in order to figure out the optimum treatment conditions of analogue dye wastewater.The effects of initial pH value of solution,concentration of electrolyte,temperature of dye wastewater and flow rate of dye solution on electrolytic treatment were investigated under certain voltage conditions.After electrolytic treatment,simulation dyeing wastewater proceeded with photochemical treatment.Under the conditions of Ph value 4、sodium chloride concentration 0.2 g/L、dye wastewater temperature 20℃、flow rate 65.46 ul/min,photochemical treatment time 30 mins,the decolorization rate is over 95% and the COD removal rate is nearly 67%.
引文
[1]亓久平,荆汉江,等.纺织印染工业废水的处理方法[J].工业水处理,2010,(6):7.
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[3]姚鹏,赵晖,张逸婷,吕湾,等.电解法处理C.I.Reactive Red 241、C.I.Disperse Blue 56模拟染料废水的研究[J].江西化工,2014(4):137-138.
[4]Hui Zhao,Heng Zhong,Lei Sun,Dongsheng Xia,A.V.Nevsky。“ACID ORANGE 52 DYE DEGRADATION EFFICIENCY BY ELECTROCATALYTIC METHOD”[J].CHEMISTRY AND CHEMICAL TECHNOLOGY,2018,61(3):64-69.
[5]Hui Zhao,Heng Zhong,Lei Sun,Dongsheng Xia,A.V.Nevsky。“ACID ORANGE 52 DYE DEGRADATION BY ELECTROCATALYTIC PLUS PHOTOCATALYTIC TECHNIQUE AND INTERMEDIATES DETECTION”[J].CHEMISTRY AND CHEMICAL TECHNOLOGY,2018,61(4-5):111-118.
[2]Isik M,Sponza D.A batch study for assessing the inhi-bition effect of direct yellow 12 in a mixed methonogen-ic culture[J].Process Biochem,2005,40(3/4):1053-1062.
[3]姚鹏,赵晖,张逸婷,吕湾,等.电解法处理C.I.Reactive Red 241、C.I.Disperse Blue 56模拟染料废水的研究[J].江西化工,2014(4):137-138.
[4]Hui Zhao,Heng Zhong,Lei Sun,Dongsheng Xia,A.V.Nevsky。“ACID ORANGE 52 DYE DEGRADATION EFFICIENCY BY ELECTROCATALYTIC METHOD”[J].CHEMISTRY AND CHEMICAL TECHNOLOGY,2018,61(3):64-69.
[5]Hui Zhao,Heng Zhong,Lei Sun,Dongsheng Xia,A.V.Nevsky。“ACID ORANGE 52 DYE DEGRADATION BY ELECTROCATALYTIC PLUS PHOTOCATALYTIC TECHNIQUE AND INTERMEDIATES DETECTION”[J].CHEMISTRY AND CHEMICAL TECHNOLOGY,2018,61(4-5):111-118.