Sorption of lead ions from aqueous solution using tree fern as a sorbent

Yu-Shan Ho, Wen Ta Chiu, Chun Sen Hsu, Chien Tsung Huang

Research output: Contribution to journalArticle

180 Citations (Scopus)

Abstract

This study is on sorption of lead ions on an agricultural by-product, tree fern. Equilibrium isotherms have been measured and modeled. The equilibrium sorption capacity of lead(II) was determined from the Langmuir isotherm and found to be 40.0 mg/g. Based on the assumption of the pseudo-second order mechanism, a batch sorption model was developed to predict the rate constant of sorption, the equilibrium sorption capacity and the initial sorption rate with the effect of initial lead(II) concentration and temperature. The sorption rate was found to increase with temperature, and an activation energy of approximately 87 kJ/mol was determined from the pseudo-second order rate constants. The findings of this investigation suggest that chemical sorption plays a role in controlling the sorption rate.

Original languageEnglish
Pages (from-to)55-61
Number of pages7
JournalHydrometallurgy
Volume73
Issue number1-2
DOIs
Publication statusPublished - Apr 2004

Fingerprint

fern
Sorbents
Sorption
aqueous solution
sorption
Ions
ion
Lead
Isotherms
Rate constants
isotherm
activation energy
Byproducts
Activation energy
temperature
rate
Temperature

Keywords

  • Isotherm
  • Kinetics
  • Lead
  • Pseudo-second order mechanism
  • Tree fern

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geotechnical Engineering and Engineering Geology

Cite this

Sorption of lead ions from aqueous solution using tree fern as a sorbent. / Ho, Yu-Shan; Chiu, Wen Ta; Hsu, Chun Sen; Huang, Chien Tsung.

In: Hydrometallurgy, Vol. 73, No. 1-2, 04.2004, p. 55-61.

Research output: Contribution to journalArticle

Ho, Yu-Shan ; Chiu, Wen Ta ; Hsu, Chun Sen ; Huang, Chien Tsung. / Sorption of lead ions from aqueous solution using tree fern as a sorbent. In: Hydrometallurgy. 2004 ; Vol. 73, No. 1-2. pp. 55-61.
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