全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
含能材料  2015 

紫外光谱法探讨偏二甲肼废水氧化降解机理

DOI: 10.11943/j.issn.1006-9941.2015.10.011

Keywords: 偏二甲肼(UDMH) 废水 氧化 降解 紫外光谱

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对目前偏二甲肼(UDMH)降解方法存在中间产物毒性高、难降解的问题, 建立了跟踪、分析UDMH废水氧化降解产物的紫外光谱检测方法。确立了UDMH降解过程中产物峰的归属。解析了Cu2+/H2O2和Fenton两种氧化体系的降解产物, 推测了降解反应机理。结果表明: UDMH和偏腙(FDMH)的紫外峰值分别在200 nm和235 nm。两种体系可有效地降解UDMH废水, 但Cu2+/H2O2体系中间产物较多、毒性较大。先加入H2O2较先加入Cu2+能减少中间产物。铁粉的加入有利于中间产物的减少。Fenton体系能有效地抑制有毒中间产物的产生

References

[1]  王力, 张光友, 谭世语, 等.偏二甲肼污水的处理技术现状与发展趋势[J].导弹与航天运载技术, 2006 (1): 38-43.WANG Li, ZHANG Guang-you, TAN Shi-yu, et al.Development and status of treatment processes of wastewater containing unsymmetrical dimethylhydrazine[J].Missile and Space Vehicles, 2006 (1): 38-43.
[2]  Georgeazza L, Eric B S.Oxidation of 1,1-Dimethylhydrazine (UDMH) in aqueous solution with air and hydrogen peroxide[J].Chemosphere, 1994,29(7): 1577-1590.
[3]  王晓晨, 张彭义.真空紫外光臭氧降解偏二甲肼的研究[J].环境工程学报, 2009,3(1): 57-61.WANG Xiao-chen, ZHANG Peng-yi.Degradation of unsymmetrical dimethylhydrazine by O3/UV[J].Chinese Journal of Environmental Engineering, 2009,3(1): 57-61.
[4]  詹华圻, 刘祥萱, 梁剑涛, 等.Fenton 法降解偏二甲肼废水[J].广州化工, 2010,38(10): 68-69.ZHAN Hua-qi, LIU Xiang-xuan, LIANG Jian-tao, et al.Degradation of unsymmetrical dimethylhydrazine wastewater by Fenton process[J].Guangzhou Chemical Industry, 2009,3(1): 57-61.
[5]  贾瑛, 李毅, 张秋禹.UV-Fenton 方法处理偏二甲肼废水[J].含能材料, 2009,17(3): 365-368.JIA Ying, LI Yi, ZHANG Qiu-yu.Degradation of unsymmetrical dimethylhydrazinewastewater by UV-Fenton process[J].Chinese Journal of Energetic Materials(Hanneng Cailiao), 2009,17(3): 365-368.
[6]  张淑娟, 陈啸剑, 吴婉娥, 等.微波强化 Fenton 降解偏二甲肼废水[J].含能材料, 2013,21(4): 455-459.ZHANG Shu-juan, CHEN Xiao-jian, WU Wane, et al.Degradation of unsymmetrical dimethylhydrazine with microwave enhanced Fenton[J].Chinese Journal of Energetic Materials(Hanneng Cailiao), 2013,21(4): 455-459.
[7]  Mathur M A, Sisler H H.Oxidation of 1,1-dimethylhydrazine by oxygen[J].Inorganic Chemistry, 1981,20(2): 426-429.
[8]  吴元清, 杜树新, 严赟.水体有机污染物浓度检测中的紫外光谱分析方法[J].光谱学与光谱分析, 2011(1): 233-237.WU Yuan-qing, DU Shu-xin, YAN Yun.Ultraviolet spectrum analysis method for detecting the concentration of organic pollutants in water[J].Spectroscopy and Spectral Analysis, 2011(1): 233-237.
[9]  郝瑞霞, 曹可心, 赵钢, 等.用紫外光谱参数表征污水中溶解性有机污染物[J].北京工业大学学报, 2006,12: 1062-1066.HAO Rui-xia, CAO Ke-xin, ZHAO Gang, et al.Ultraviolet absorption spectrum characterization approach for quantitative analysis of dissolved organic contaminants in sewage[J].Journal of Beijing University of Technology, 2006,12: 1062-1066.
[10]  Oxana P P, Galina L E, Zinfer R I.Detoxication of Water Containing 1,1-Dimethylhydrazine by Catalytic Oxidation with Dioxygen and Hydrogen Peroxide over Cu-and Fe-containing catalysts[J].Catalysis Today, 2002,75: 219-225.
[11]  Tierney D J, Kosar G S.UV/Oxidation Process Optimization for the Treatment of Hydrazine Waste at the John F Kennedy Space Center[R].NASA No: 19990018529,1999.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133