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可见光异相photo-Fenton体系降解有机染料橙Ⅱ

Keywords: 分子筛,光催化氧化,异相Fenton反应,橙Ⅱ

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Abstract:

通过对分子筛载体的筛选,确定在可见光光催化降解橙Ⅱ(简称OrgII)时NaY分子筛为Fe2+的理想载体,并以负载Fe2+的NaY分子筛(简称FeY)为催化剂降解染料橙Ⅱ,研究了H2O2的量、催化剂的量、pH等因素对降解效果的影响及橙Ⅱ降解和H2O2的分解情况,结果表明在选定的OrgII/FeY/H2O2可见光照射下,反应210min橙Ⅱ的脱色率达100%,TOC去除率达63%,催化剂在循环使用至少7次其催化活性基本不变。

References

[1]  Fenton H.Oxidation of tartaric acid in the presence of iron.Chem.Soc.Trans.,1894,65:899~910
[2]  黄应平,刘德富,赵进才,等.可见光/Fenton光催化降解有机染料.高等学校化学学报,2005,26:2273~2278
[3]  Huang Y.,Ma W.,Li J.,et al.Efficient H202 oxidation of organic pollutants catalyzed by supposed iron sulfophenylporphyyin under visible light irradiation.J.Phys.Chem.B,2004,108:7263~7270
[4]  Hu M.,Xu Y.,Zhao J.Efficient photosensitized degradation of 4-chlorpbenol over immobilized aluminum tetrasulfbphthalocyanine in the presence of hydyogen peroxide.Langmuir,2004,20:6302~6307
[5]  Gumy D.,Malato S.,Kiwi J.,et al.Supposed Fe/C and Fe/Nafion/C catalysts for the photo-Fenton degradation of Orange Ⅱ under solar irradiation.Catalysis Today,2005,101:375~382
[6]  Cole-Hamilton D.J.Homogeneous catalysis new approaches to catalyst separation recovery and recycling.Science,2003,299(14):1702~1706
[7]  Bell A.T.The impact of nano science on Heterogenous catlysis.Science,2003,299(14):1688~1691
[8]  Mariana N.,Carmen Z.,Ayfer Y.Fe-exchanged Y zeolite as catalyst for wet peroxide oxidation of reactive azo dye Procion MarineH-EXL.Applied Catalysis B:Environmental,2004,48:287~294
[9]  Noorjahan M.,Subrahmanyam M.,Lipsa P.Immobilized Fe(Ⅲ)-HY:An efficient and stable photo-Fenton catalyst.Applied Catalysis B:Environmental,2005,57:291~298
[10]  Martinez F.,Calleja G.,Molina R.,et al.Heterogeneous photo-Fenton degradation of Phenolic aqueous solutions over iron-containing SBA-15 catalyst.Applied Catalysis B:Environmental,2005,60:181~190
[11]  郑展望,雷乐成,邵振华,等.UV/Fenton反应体系Fe2 固定化技术及催化反应工艺研究.高校化学工程学报,2004,18(6):739~744
[12]  Fernandez J.,Bandara J.,Kiwi J.Photoassisted Fenton degradation of nonbiodegradable azodye(Orange Ⅱ)in Fe2 free solutions mediated by cationtransfer menbranes.Langmuir,1999,15:185~192
[13]  龙明策,林金清,陈建贤,等.可见光/H2O2/海藻酸铁非均相催化降解吖啶橙的研究.环境污染治理技术与设备,2005,6(10):49~52
[14]  Tang W.,Huang C.Effect of chlorinated phenols on their oxidation kinetics by Fenton\'s reagent.Chemosphere,1996,33(8):1621~1635
[15]  Papa S.,Nadtotechenko V.,Kiwi J.,et al.Discoloration of azo-dyes at biocompatible pH-values though an Fehistidine complex immobilized on nafion vis Fenton-like processes.J.Phys.Chem.B,2004,108:4439~4448
[16]  Ma W.,HuangY.,Li J.,Cheng M.,et al.An efficient approach for photodegradation of organic pollutants by immobilized iron ions at neutral pHs.Chem.Commun.,2003:1582~1583
[17]  Benitez F.,Heredia B.,Acero J.,et al.Chemical decomposition of 2,4,6-trichlophenol by oaone,Fenton\'s reagent,and UV radiation.Ind.Eng.Chem.Res.,1999,38:1341~1349
[18]  刘光明,张天永,赵进才,等.可见光照射下染料茜素红的光催化降解机理.催化学报,1999,20(3):359~361
[19]  Wu K.,Zhang T.,Zhao J.,et al.Photodegradation of a dye in the presenceof Fe3 /H2O2 under visible light irradiation.Chem.Lett.,1998,6:857~858
[20]  Carriazo J.,Guélou E.,Barrauh J.,et al.Catalytic wet peroxide oxidation of phenol by pillared clays containing A1-Ce-Fe.Wat.Ras.,2005,39:3891~3899
[21]  Bader H.,Sturzenegger V.,Hoigne J.Photometric method for the determination of low concentrations of hydrogen peroxide by the peroxidase catalyzed oxidation of N,N-P-phenylene-diamine.Wat.Ras.,1988,22:1109~1115

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