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水溶液中活性艳红KE-3B的臭氧超声联合脱除

Keywords: 活性艳红KE-3B,臭氧,超声

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Abstract:

采用臭氧/超声联合技术去除模拟废水中的活性艳红KE-3B。臭氧/超声处理前后KE-3B的紫外可见吸收谱没有明显的变化。臭氧/超声联合作用、单独臭氧化和单独超声处理脱除活性艳红KE-3B模拟废水5min后的去除率分别为97%、73%和5%,表明臭氧/超声联合降解活性染料具有更高的氧化速率。实验研究了pH值、臭氧投加量、超声能量密度、反应温度对超声/臭氧降解活性艳红KE-3B反应速率的影响,在实验研究范围内,随着溶液初始pH的增大,KE-3B的去除率先增大后减小,超声能量密度的改变对KE-3B的去除影响不大,温度升高有利于氧化反应的进行。在溶液初始pH值为9.0,臭氧投加量3.2g/h,超声能量密度176W/L,反应温度20℃时,浓度为100mg/L的活性艳红KE-3B溶液的去除率最高。

References

[1]  Brillas E,Mur E,Sauleda R,Aniline mineralization by AOP\'s:Anodic oxidation,photocatalysis,electro-Fenton and photoelectro-Fenton processes,Applied Catalysis B:Environmental,1998(1).
[2]  Golka K,Kopps S,Myslak Z.W,Carcinogenieity of azo colorants:Influence of solubility and bioavailability,Toxicology Letters,2004(1).
[3]  Hart E J,Henglein A,Sonolysis of ozone in aqueous solution,Journal of Physical Chemistry,1986.
[4]  Weavers L.K,Ling F.H,Hoffmann M.R,Aromatic compound degradation in water using a combination of sonolysis and ozonolysis,Environmental Science and Technology,1995(18).
[5]  Weisburger J H,Comments on the history and importance of aromatic and heterocyclic amines in public health,Mutation Research-Fundamental and Molecular Mechanisms of Mutagenesis,2002.
[6]  韩虹.陈文松.韦朝海 印染废水处理的磁混凝-高梯度磁分离协同作用 [J].-环境工程学报2007(1)
[7]  梁威.胡洪营 印染废水生物强化处理技术研究进展 [J].-环境污染治理技术与设备2004(1)
[8]  Acuner E,Dilek F B,Treatment of teetilon yellow 2G by Chlorella vulgaris,Process Biochemistry,2004(5).
[9]  Gogate P.R,Pandit A B,A review of imperative technologies for wastewater treatment Ⅱ:Hybrid methods,Advances in Environmental Research,2004(3-4).
[10]  Jiang Y,Pétrier C,Waite T.D,Effect of pH on the ultrasonic degradation of ionic aromatic compounds in a-queous solution,Uhrason Sonochem,2002(3).
[11]  Neppolian B,Jung H,Choi H,Sonolytic degradation of methyl tert-butyl ether:The role of coupled fenton process and persulphate ion,Water Research,2002(19).
[12]  Goel M,Hu H.Q,Mujumdar A.S,Sonochemical decomposition of volatile and non-volatile organic compounds-a comparative study,Water Research,2004(19).

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