Sorptive removal of heavy metals with nano-sized carbon immobilized alginate beads

Woosik Jung, Byong Hun Jeon, Dong Wan Cho, Hyunseog Roh, Yunchul Cho, Sun Joon Kim, Dae Sung Lee

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

A composite adsorbent prepared by immobilizing graphite nano-sized carbon in alginate beads (NCB) was used for the removal of Co(II) and Ni(II) from aqueous solution. Kinetic studies showed that adsorption process reached equilibrium within 8. h at an initial concentration of 10. mg/L and sorption process was well explained by pseudo second order kinetic model. The Freundlich isotherm model correlated well with the adsorption isotherms of Co(II) and Ni(II) onto NCBs. The experimental results showed that the removal of Co(II) and Ni(II) ions from the solution was likely due to ion exchange with calcium(II) ions present in the alginate beads.

Original languageEnglish
Pages (from-to)364-369
Number of pages6
JournalJournal of Industrial and Engineering Chemistry
Volume26
DOIs
Publication statusPublished - 2015 Jun 25

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Alginate
Heavy Metals
Heavy metals
Carbon
Ions
Kinetics
Graphite
Adsorption isotherms
Adsorbents
Isotherms
Sorption
Calcium
Ion exchange
Adsorption
Composite materials
alginic acid

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)

Cite this

Jung, Woosik ; Jeon, Byong Hun ; Cho, Dong Wan ; Roh, Hyunseog ; Cho, Yunchul ; Kim, Sun Joon ; Lee, Dae Sung. / Sorptive removal of heavy metals with nano-sized carbon immobilized alginate beads. In: Journal of Industrial and Engineering Chemistry. 2015 ; Vol. 26. pp. 364-369.
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Sorptive removal of heavy metals with nano-sized carbon immobilized alginate beads. / Jung, Woosik; Jeon, Byong Hun; Cho, Dong Wan; Roh, Hyunseog; Cho, Yunchul; Kim, Sun Joon; Lee, Dae Sung.

In: Journal of Industrial and Engineering Chemistry, Vol. 26, 25.06.2015, p. 364-369.

Research output: Contribution to journalArticle

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T1 - Sorptive removal of heavy metals with nano-sized carbon immobilized alginate beads

AU - Jung, Woosik

AU - Jeon, Byong Hun

AU - Cho, Dong Wan

AU - Roh, Hyunseog

AU - Cho, Yunchul

AU - Kim, Sun Joon

AU - Lee, Dae Sung

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AB - A composite adsorbent prepared by immobilizing graphite nano-sized carbon in alginate beads (NCB) was used for the removal of Co(II) and Ni(II) from aqueous solution. Kinetic studies showed that adsorption process reached equilibrium within 8. h at an initial concentration of 10. mg/L and sorption process was well explained by pseudo second order kinetic model. The Freundlich isotherm model correlated well with the adsorption isotherms of Co(II) and Ni(II) onto NCBs. The experimental results showed that the removal of Co(II) and Ni(II) ions from the solution was likely due to ion exchange with calcium(II) ions present in the alginate beads.

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