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...

Fe3O4纳米磁性微粒对全氟辛烷磺酸盐的吸附

Keywords: Fe3O4纳米磁性微粒,全氟辛烷磺酸盐(PFOS),吸附

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用共沉淀法合成3纳米磁性颗粒,用透射电子显微镜(TEM)、X射线衍射仪(XRD)以及振动样品磁强计(VSM)对Fe3O4纳米磁性颗粒的粒径、形貌和磁性进行表征并研究Fe3O4纳米磁性微粒对全氟辛磺酸盐的吸附。结果表明:在PFOS初始浓度4mg/L,pH为3,反应时间24h,Fe3O4纳米磁性微粒投加量1.25g/L,对全氟辛磺酸盐去除率达到90%,盐度对Fe3O4纳米磁性微粒吸附PFOS不产生影响。Fe3O4纳米磁性微粒对PFOS的吸附符合Freundlich吸附方程。

References

[1]  Alexander B. H;Olsen G. W;Burris J. M,Mortality of employees of a pefluorooctanesulphonyl fluoride manufacturing facility,Occupational and Environmental Medicine,2011(10).
[2]  Boulanger, B ;Vargo, JD ;Schnoor, JL ;Hornbuckle, KC,Evaluation of perfluorooctane surfactants in a wastewater treatment system and in a commercial surface protection product,Environmental Science & Technology?,2005, 39(15).
[3]  贾成霞;潘纲;陈灏.全氟辛烷磺酸盐在天然水体沉积物中的吸附-解吸行为[J].环境科学学报,2006(10)
[4]  刘徽;田秉晖;王三反,纳米Fe3O4磁性粒子的制备及吸附性能研究,环境工程学报,2010(4).
[5]  Sachi Taniyasu ;Kurunthachalam Kannan ;Yuichi Horii ;Nobuyasu Hanari ;Nobuyoshi Yamashita,A survey of perfluorooctane sulfonate and related perfluorinated organic compounds in water, fish, birds, and humans from Japan,Environmental Science & Technology?,2003, 37(12).
[6]  Rennet R,Growing concern over perfluorinated chemicals,Environmental Science and Technology,2001(7).
[7]  Yean S;Cong L;Yavuz C. T Effect of magnetite particle size on adsorption and desorption of arsenite and arsenate [J] 2005(12)
[8]  Cafer T. Yavuz;Mayo J. T;Yu William W,Low- field magnetic separation of monodisperse Fe304 nanocrystals,Science,2006(5081).
[9]  帅丹蒙;邓述波;余刚.去除水中全氟辛基磺酸的纳米吸附剂的制备及性能表征[J].环境污染与防治,2007(8)
[10]  金一和;刘晓;秦红梅.我国部分地区自来水和不同水体中的PFOS污染[J].中国环境科学,2004(2)
[11]  M.K.So ;S.Taniyasu ;N.Yamashita ;J.P.Giesy ;J.Zheng ;Z.Fang ;S.H.Im ;Paul K.S.Lam,Perfluorinated Compounds in Coastal Waters of Hong Kong,South China,and Korea,Environmental Science & Technology?,2004, 38(15).

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133