Effects of water chemistry on removal of bisphenol A and 17β-estradiol using single walled carbon nanotubes

Qammer Zaib, Joseph R.V. Flora, Navid Saleh, Iftheker Khan, Yong Gyun Park, Yeomin Yoon

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Single walled carbon nanotubes (SWCNTs) have attracted considerable research interest in environmental applications due to their unique physicochemical properties. The functionalization of pristine SWCNTs was carried out by acidification. The adsorption of bisphenol A (BPA) and 17β-estradiol (E2) on pristine and functionalized SWCNTs was investigated. The effects of change in pH, conductivity, and background ions on adsorption were also studied. The results indicate that functionalization affects adsorption behavior of ???? by changing surface charge on the SWCNT scaffolds. The change in the bundle size of SWCNTs is another factor that affects adsorption; an insight into the shape and size of the aggregate can help in defining the specific adsorption sites. The adsorption of BPA and E2 on SWCNTs was found to be least affected by change in pH, conductivity, and background ions. 2010

Original languageEnglish
Title of host publicationWater Quality Technology Conference and Exposition 2010
PublisherAmerican Water Works Association
Pages1282-1296
Number of pages15
ISBN (Print)9781617823404
StatePublished - 2010
EventWater Quality Technology Conference and Exposition 2010 - Savannah, GA, United States
Duration: 14 Nov 201018 Nov 2010

Publication series

NameWater Quality Technology Conference and Exposition 2010

Conference

ConferenceWater Quality Technology Conference and Exposition 2010
Country/TerritoryUnited States
CitySavannah, GA
Period14/11/1018/11/10

Keywords

  • 17β-estradiol
  • Adsorption
  • Bisphenol A
  • Functionalization
  • Singles walled carbon nanotubes
  • Solution chemistry

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