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...

臭氧氧化NP_nEO及其代谢产物NP的反应机理

Keywords: 再生水,壬基酚聚氧乙烯醚,臭氧氧化,氧化机理

Full-Text   Cite this paper   Add to My Lib

Abstract:

为提高再生水质量和回用安全性,采用臭氧氧化壬基酚聚氧乙烯醚(NPnEO)及其代谢产物壬基酚(NP),分析了臭氧氧化NPnEO的效果及其反应历程.研究结果表明,壬基酚聚氧乙烯醚的臭氧氧化主要发生在乙氧基链上,随着氧化进程的进行,各种聚合度NPnEO中的EO链发生断裂,聚合度随之减小,前10min内,混合物中各聚合度的NPnEO所占的比例仍符合泊松分布.壬基酚极易被臭氧氧化,接触5min后去除率可达到90%;壬基酚的臭氧氧化不完全,有壬醇类中间产物生成.

References

[1]  LEE H B.Review of analytical methods for the determination of nonylphenol and related compounds in environmental samples[J].Water Quality Research Journal of Canada,1999,34(1):3-35.
[2]  HARRIES J E,SHEAHAN D,JOBLING S,et al.Survey of estrogenic activity in United Kingdom inland waters[J].Environmental Toxicology and Chemistry,1996,15(11):1993.
[3]  翁景峥,陈少平,吴宗华.二氧化钛复合纸板对壬基酚聚氧乙烯醚水溶液的光催化降解[J].环境科学学报,2010,30(6):1204-1210.WENG Jing-zheng,CHEN Shao-ping,WU Zong-hua.Photocatalytic degradation of aqueous nonylphenol ethoxylate-10 bytitanium dioxide composite sheets[J].Acta Scientiae Circumstantiae,2010,30(6):1204-1210.(in Chinese)
[4]  程沧沧,胡筱静.附着态TiO2光催化降解壬基酚的研究[J].工业安全与环保,2005,31(9):7-9.CHENG Cang-cang,HU Xiao-jing.Study on photocatalytic degradation of nonylphenol using immobilized TiO2[J].IndustrialSafety and Environmental Protection,2005,31(9):7-9.(in Chinese)
[5]  胡翔,李进,皮运正,等.臭氧氧化水中壬基酚的反应机理研究[J].环境科学,2007,28(3):584-587.HU Xiang,LI Jin,PI Yun-zheng,et al.Mechanism and pathway of the ozonation of nonylphenol in aqueous solution[J].Environmental Science,2007,28(3):584-587.(in Chinese)
[6]  蒋以元,高俊敏,杨敏,等.O3-BAC污水深度处理工艺对有机锡和壬基酚的去除[J].水处理技术,2006,32(9):45-47.JIANG Yi-yuan,GAO Jun-min,YANG Min,et al.Removal of organotins and NP(Nonylphenol)from effluent of sewagetreatment plant by O3-BAC[J].Technology of Water Treatment,2006,32(9):45-47.(in Chinese)
[7]  孙庆峰,余刚,刘希涛.4-壬基酚臭氧氧化中雌激素活性变化的影响因素[J].中国环境科学,2006,26(6):689-692.SUN Qing-feng,YU Gang,LIU Xi-tao.The influence factors of estrogenic activity variation during ozonation of nonylphenol[J].China Environmental Science,2006,26(6):689-692.(in Chinese)
[8]  周云瑞,祝万鹏.水和废水的臭氧反应动力学[M].北京:中国建筑工业出版社,2007:99-102.
[9]  GABRIEL F L P,HEIDLBERGER A,RENTSCH D,et al.A novel metabolic pathway for degradation of 4-nonylphenolenvironmental contaminants by Sphingomonas xenophaga Bayram:ipso-hydroxylation and intramolecular rearrangement[J].Journal of Biological Chemistry,2005,280(16):15526-15533.
[10]  KIM J,KORSHIN G V,VELICHENKO A B.Comparative study of electrochemical degradation and ozonation of nonylphenol[J].Water Research,2005,39(12):2527-2534.
[11]  STAEHELIN J,HOIGNE J.Decomposition of ozone in water in the presence of organic solutes acting as promoters andinhibitors of radical chain reactions[J].Environmental Science and Technology,1985,19(12):1206-1213.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133