Selective removal of heavy metal ions from aqueous solutions with surface functionalized silica nanoparticles by different functional groups.pdfVIP
- 1、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。。
- 2、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 3、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
- 4、该文档为VIP文档,如果想要下载,成为VIP会员后,下载免费。
- 5、成为VIP后,下载本文档将扣除1次下载权益。下载后,不支持退款、换文档。如有疑问请联系我们。
- 6、成为VIP后,您将拥有八大权益,权益包括:VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
- 7、VIP文档为合作方或网友上传,每下载1次, 网站将根据用户上传文档的质量评分、类型等,对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档
查看更多
Selective removal of heavy metal ions from aqueous solutions with surface functionalized silica nanoparticles by different functional groups.pdf
J.Cent.SouthUniv.(2014)21:3575—3579 垒Springer
D0I:10.1007/sl1771—014.2338.0
Selectiveremovalofheavymetalionsfrom aqueoussolutionswith
surfacefunctionalizedsilicananoparticlesbydi rentfunctionalgroups
KONGXiang—feng(孔祥峰),一,YANGBin(杨斌) ,XIONGHeng(~恒) ,ZHOUYang(周阳)一,
XUESheng.guo(~ N),xuBao.qiaIlg(徐宝强)一,WANGShi.xing(王世兴)
1.NationalEngineeringLaboratoryforVacuumMetallurgy(KunmingUniversityofScienceandTechnology),
Kunming650093,China;
2.SchoolofMetallurgyandEnvironment,CentralSouthUniversiyt,Changsha410083,China;
3.StateKeyLaboratory ofComplexNonferrousMetalResourcesClearUtilization,Kunming650093,China;
4.YunnanInstituteofProductQualitySupervisionandInspection,Kunming650223,China
◎CentralSouthUniversiytPressandSpringer-VerlagBerlinHeidelberg2014
Abstract:The industrialsilicafumepretreatedbynitricacidat80 。C wasre—used in thiswork.Then.theobtained silica
nanoparticlesweresurfacefunctionalizedbysilanecouplingagents,suchas(3一Mereaptopropy1)rtiethoxysilane(MPTES)and
f3.Amincpropy1) trithoxysilane (APTES).Some ufrther modifications were studied by chloroaceety1 choride and
1,8-Diaminoaphalene foramino modified silica.The surfacefunctionalized silica nanoparticleswerecharacterized by Fourier
transforininfrared(FI-IR1andX.rayphotoelectronspectroscopy(xPS).Thepreparedadsorbentofsurfacefunctionalizedsilica
nanoparticleswim difrerentialfunctiongroupswereinvestigatedintheselectiveadsorptionaboutPb .Cu ,Hg .Cd andZn2
ionsin aqueoussolutions.Theresultsshow thatthef3一Mercaptopropy1)triethoxysilanefunctionalized silicananoparticles
(Si02-MPTES)playanimportantroleintheselectiveadsorptionofCu nadHg ,the(3-Amincpropy1)trithoxysilane(APTES)
functionalized silica nanoparticles (SiO2-APTES)exhibited maximum removalefficiency towardsPb and Hg .the
1。
文档评论(0)