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环境化学  2015 

常温常压下水合肼对偶氮染料还原脱色反应

Keywords: 水合肼,偶氮染料,动力学,反应机理,还原脱色

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Abstract:

研究了在常压条件下,水合肼还原3种模拟偶氮染料废水并使其脱色,脱色效果用酶标仪测定,其结果表明,脱色效果较好,脱色率最高可达99%.对常压及不同温度条件下水合肼还原模拟甲基橙废水的脱色反应动力学行为及反应活化能进行了研究,结果表明,反应活化能Ea=59.236kJ·mol-1.在常压条件下,反应符合一级动力学反应.反应产物用GC-MS、1H-NMR测定,并对反应机理进行了初步探讨.

References

[1]  Huang C P, Huang Y F, Cheng H P, et al. Kinetic study of an immobilized iron oxide for catalytic degradation of azo dye reactive black B with catalytic decomposition of hydrogen peroxide[J]. Catalysis Communications, 2009, 10 (5): 561-566
[2]  Khataee A R, Pons M N, Zahraa O. Photocatalytic degradation of three azo dyes using immobilized TiO2 nanoparticles on glass plates activated by UV light irradiation: Influence of dye molecular structure[J]. Journal of Hazardous Materials, 2009, 168 (1): 451-457
[3]  王连生,陈海柳. 有机污染化学[M]. 高等教育出版社, 2004: 178-183
[4]  Nerud F, Baldrian P, Gabriel J, et al. Decolorization of synthetic dyes by the Fenton reagent and the Cu/pyridine/H2O2 system[J]. Chemosphere, 2001, 44 (5): 957-961
[5]  Nakui H, Okitsu K, Maeda Y, et al. Hydrazine degradation by ultrasonic irradiation[J]. Journal of Hazardous Materials, 2007, 146 (3): 636-39
[6]  Panda N, Sahoo H, Mohapatra S. Decolorization of Methyl Orange using Fenton-like mesoporous Fe2O3-SiO2 composite[J]. Journal of Hazardous Materials, 2011, 185 (1): 359-365
[7]  Zollinger H. Chemistry of Color[M]. Sürich: Verlag Helvetica Chimica Acta, 2006: 41-62
[8]  Padmanabhan P V A, Sreekumar K P, Thiyagarajan T K, et al. Nano-crystalline titanium dioxide formed by reactive plasma synthesis[J]. Vacuum, 2006, 80 (11/12): 1252-1255
[9]  Chong M N, Jin B, Chow C W K, et al. Recent developments in photocatalytic water treatment technology: A review[J]. Water Research, 2010, 44 (10): 2997-3027
[10]  Cardulla F. Hydrazine[J]. Journal of Chemical Education, 1983, 60 (6): 505-508

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