화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.36, 346-354, April, 2016
DOI10.1016/j.jiec.2016.02.025  Export Citation
Carbon bead-supported hollow carbon nanofibers synthesized via templating method for the removal of hexavalent chromium
Shraddha Mishra1, and Nishith Verma1, 2, †
  • 1Center for Environmental Science and Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
  • 2Department of Chemical Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
E-mail:
Novel triethanol amine-grafted hollow carbon nanofibers (CNFs), supported on carbon beads, were synthesized via templating method for the removal of hexavalent chromium (Cr(VI)) ions from water. CNFs were grown on carbon beads by chemical vapor deposition using the in situ incorporated Cr nanoparticles in the beads, as the catalyst. The beads were ultra-sonicated to remove the nanoparticles from the tip of the CNFs, thereby creating the hollow CNFs. The Cr(VI)-adsorption capacity of the material was determined to be ∼51 mg/g at 125 ppm-initial concentration and 4.5-solution pH. Negligible interference from coexisting metal ions in water was found with the Cr(VI)-adsorption.
Keywords:Templating method;Carbon nanofibers;Carbon beads;Adsorption;Hexavelent chromium
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