Evaluation of PAN-TiO2 composite adsorbent for removal of Pb(II) ion in aqueous solution

Hyung Tae Kim, Chang Ha Lee, Yong Gun Shul, Jei Kwon Moon, Eil Hee Lee

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

A polyacrylonitrile-TiO2 composite adsorbent bead was prepared to remove Pb2+ ion in aqueous solution. The dual nozzle technique was applied to prepare a spherical bead. The prepared composite adsorbent was found to be highly porous and stable against strong acids. Adsorption tests showed that Pb2+ ion adsorption increased in proportion to pH and Pb2+ ion was completely removed at pH 5.60. The equilibrium and kinetic parameters such as equilibrium constant, adsorption capacity, film mass-transfer coefficient, and effective diffusivity were also evaluated by modeling the experimental data.

Original languageEnglish
Pages (from-to)695-713
Number of pages19
JournalSeparation Science and Technology
Volume38
Issue number3
DOIs
Publication statusPublished - 2003 Jan 1

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Adsorbents
Ions
Adsorption
Composite materials
Polyacrylonitriles
Equilibrium constants
Kinetic parameters
Nozzles
Mass transfer
Acids
polyacrylonitrile

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Process Chemistry and Technology
  • Filtration and Separation

Cite this

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Evaluation of PAN-TiO2 composite adsorbent for removal of Pb(II) ion in aqueous solution. / Kim, Hyung Tae; Lee, Chang Ha; Shul, Yong Gun; Moon, Jei Kwon; Lee, Eil Hee.

In: Separation Science and Technology, Vol. 38, No. 3, 01.01.2003, p. 695-713.

Research output: Contribution to journalArticle

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