蒽醌修饰石墨毡电化学氧化处理酸性红B模拟废水
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摘要
以钛涂钌铱(Ti/RuO2-IrO2)为阳极,自制蒽醌修饰石墨毡为阴极,对酸性红B模拟废水进行电化学氧化实验研究,分别考察了电流、电解质浓度、电解时间、极板间距和初始pH值对酸性红B电化学降解效果的影响。试验结果表明:在酸性红B浓度为200mg/L、电流为3A、电解质浓度为0.02mol/L、电解时间为30min、极板间距为1cm、初始pH=5.0的条件下,酸性红B的去除率可达到91.66%、电流效率为12.71%;电化学氧化降解酸性红B近似符合一级反应动力学,其动力学方程为ln(c0/ct)=0.0699t-0.0361。
Electrochemical oxidation experiments for acid red B wastewater using Ti/Ru O2-Ir O2 plate as anode and anthraquinone-modified graphite felt as cathode,were studied respectively.The effects of current,electrolyte concentration,electrolytic time,spacing of plate and the initial pH value on the electrochemical degradation of acid red B were investigated.The results showed that when the concentration of acid red B was 200mg/L,electric current was 3 A,electrolyte concentration was 0.02mol/L,electrolytic time was 30 min,spacing of plate was 1cm,and initial pH value was 5.0,the acid red B removals and current efficiency could reach 91.66% and 12.71% respectively.The electrochemical degradation process of acid red B was approximately complied with the first-order kinetics equation ln(c0/ ct)= 0.069 9 t-0.036 1.
Electrochemical oxidation experiments for acid red B wastewater using Ti/Ru O2-Ir O2 plate as anode and anthraquinone-modified graphite felt as cathode,were studied respectively.The effects of current,electrolyte concentration,electrolytic time,spacing of plate and the initial pH value on the electrochemical degradation of acid red B were investigated.The results showed that when the concentration of acid red B was 200mg/L,electric current was 3 A,electrolyte concentration was 0.02mol/L,electrolytic time was 30 min,spacing of plate was 1cm,and initial pH value was 5.0,the acid red B removals and current efficiency could reach 91.66% and 12.71% respectively.The electrochemical degradation process of acid red B was approximately complied with the first-order kinetics equation ln(c0/ ct)= 0.069 9 t-0.036 1.
引文
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[24]吴志敏,赖经妹,张丽.偶氮染料的高铁酸钾脱色及动力学研究[J].印染助剂,2010,23(6):24-26.
[25]丁巍,尚艳.光助Fenton氧化法降解水中的活性艳蓝KN-R[J].化工环保,2009,35(5):212-215.
[26]李昊,周律,李涛,等.臭氧氧化法深度处理印染废水生化处理出水[J].化工环保,2012,32(1):30-34.
[2]蔡凤,陈芳艳,唐玉斌.酸性红B降解菌的脱色性能[J].净水技术,2013,32(6):45-48.
[3]Nie Yulun,Hu Chun,Qu Jiuhui,et al.Efficient photodegradation of Acid Red B by immobilized ferrocene in the presence of UVA and H2O2[J].Journal of Hazardous Materials,2008,154(304-3 894):146-152.
[4]Wang Jun,Ma Teng,Zhang Guan,et al.Preparation of novel nanometer Ti O2catalyst doped with up conversion luminescence agent and investigation on degradation of acid red B dye using visible light[J].Catalysis Communications,2007(8):607-611.
[5]华彬,陆永生,唐春燕,等.超声技术降解酸性红B废水[J].环境科学,2000,21(2):88-90.
[6]李文军,胡翔,康灵玲,等.Fenton试剂催化氧化法处理模拟酸性红B染料废水[J].化工环保,2012,32(5):393-396.
[7]李烨,任海静,栾兆坤.采用双氰胺甲醛缩聚物混凝去除水中酸性红B染料的研究[J].环境工程学报,2008,3(2):362-365.
[8]Wu Rongcheng,Qu Jiuhui,He Hong,et al.Removal of azo-dye Acid Red B(ARB)by adsorption and catalytic combustion using magnetic Cu Fe2O4powder[J].Applied Catalysis B:Environmental2004,48:49-56.
[9]Liu Xiaoyu,Zhou Zuoming,Jing Guohua,et al.Catalytic ozonation of Acid Red B in aqueous solution over a Fe-Cu-O catalyst[J].Separation and Purification Technology,2013,115:129-135.
[10]岳琳,王开红,郭建博,等.γ-Al2O3负载磷钨酸催化强化电化学法处理水中酸性大红3R的研究[J].环境科学,2013,34(3):955-961.
[11]张国芳,肖书虎,肖宏康,等.黄连素制药废水的电化学预处理试验[J].环境科学研究,2011,24(1):79-84.
[12]李伟,丁晶,赵庆良,等.电化学氧化法处理垃圾渗滤液中氨氮实验研究[J].哈尔滨商业大学学报(自然科学版),2014,30(1):56-59.
[13]国家环境保护总局.水和废水检测分析方法(第四版)[M].北京:中国环境科学出版社,2002.
[14]高俊侠.新型两段式超声强化电化学方法降解染料废水[J].水处理技术,2013,39(9):49-52.
[15]王春荣,李火旦,胡建龙,等.电化学氧化除氨氮过程中羟基自由基及中间产物定量分析[J].中国环境科学,2012,32(2):238-241.
[16]Murugananthan M,Yoshihara S,Rakuma T,et al.Mineralization of bisphenol A(BPA)by anodic oxidation with boron-doped diamond(BDD)electrode[J].Journal of Hazardous Materials,2008,154(13)213-220.
[17]周如彬,冉二燕,孙见蕊,等.新型多孔Ti/BDD薄膜电极电化学氧化降解低浓度茜素红[J].化工进展,2014,33(1):233-237.
[18]Ju Peng,Fan Hai,Guo Doudou,et al.Electrocatalytic degradation of bisphenol A in water on a Ti-based Pb O2-ionic liquids(ILs)electrode[J].Chemical Engineering Journal,2012,179:99-106.
[19]潘峰,刘林,王万峰,等.混凝辅助电化学法处理橙黄N染料废水[J].环境工程学报,2013,32(2):3 713-3 718.
[20]葛建团,曲久辉.电化学方法用于酸性红B模拟废水脱色验研究[J].环境污染治理技术与设备,2002,3(5):12-14.
[21]Panizza M,Barbucci A,Delucchi M,et al.Electro-Fenton degradation of anionic surfactants[J].Separation and Purification Technology,2013,118:394-398.
[22]闫金霞,成庆利.印染废水治理技术综述[J].染料与染色.2007,32(5):48-51.
[23]胡俊生,任雪冬,马广韬,等.臭氧高级氧化技术处理酸性红B染料废水[J].沈阳建筑大学学报(自然科学版),2009,36(11):320-324.
[24]吴志敏,赖经妹,张丽.偶氮染料的高铁酸钾脱色及动力学研究[J].印染助剂,2010,23(6):24-26.
[25]丁巍,尚艳.光助Fenton氧化法降解水中的活性艳蓝KN-R[J].化工环保,2009,35(5):212-215.
[26]李昊,周律,李涛,等.臭氧氧化法深度处理印染废水生化处理出水[J].化工环保,2012,32(1):30-34.