Metal removal from aqueous solutions using chitosan-enhanced membrane filtration

Ruey Shin Juang; Ruey Chang Shiau

doi:10.1016/S0376-7388(99)00235-5

Metal removal from aqueous solutions using chitosan-enhanced membrane filtration

Ruey Shin Juang^*, Ruey Chang Shiau

^*Corresponding author for this work

Yuan Ze University

Research output: Contribution to journal › Journal Article › peer-review

341 Scopus citations

Abstract

The removal of divalent metal ions including Cu(II), Co(II), Ni(II), and Zn(II) from aqueous solutions by membrane filtration was studied with the help of water-soluble chitosan. The Amicon regenerated cellulose YM10 and YM30 were used as ultrafilters. Experiments were performed as a function of aqueous pH, the concentration ratio of chitosan to metals (β), and applied pressure (ΔP). It was shown that at neutral condition the removal of Cu(II) was more efficient compared to other metals. Furthermore, metal removal from acidic solutions (pH<6) could be enhanced by 6-10 times via the addition of chitosan. The effect of the presence of inorganic salts on the removal was also studied. Finally, the fouling phenomena during filtration was analyzed by conventional filtration theory considering compressible nature of the deposited gel. Copyright (C) 2000 Elsevier Science B.V.

Original language	English
Pages (from-to)	159-167
Number of pages	9
Journal	Journal of Membrane Science
Volume	165
Issue number	2
DOIs	https://doi.org/10.1016/S0376-7388(99)00235-5
State	Published - 01 02 2000
Externally published	Yes

Keywords

Fouling analysis
Membrane filtration
Metal removal
Water-soluble chitosan

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10.1016/S0376-7388(99)00235-5

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title = "Metal removal from aqueous solutions using chitosan-enhanced membrane filtration",

abstract = "The removal of divalent metal ions including Cu(II), Co(II), Ni(II), and Zn(II) from aqueous solutions by membrane filtration was studied with the help of water-soluble chitosan. The Amicon regenerated cellulose YM10 and YM30 were used as ultrafilters. Experiments were performed as a function of aqueous pH, the concentration ratio of chitosan to metals (β), and applied pressure (ΔP). It was shown that at neutral condition the removal of Cu(II) was more efficient compared to other metals. Furthermore, metal removal from acidic solutions (pH<6) could be enhanced by 6-10 times via the addition of chitosan. The effect of the presence of inorganic salts on the removal was also studied. Finally, the fouling phenomena during filtration was analyzed by conventional filtration theory considering compressible nature of the deposited gel. Copyright (C) 2000 Elsevier Science B.V.",

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T1 - Metal removal from aqueous solutions using chitosan-enhanced membrane filtration

AU - Juang, Ruey Shin

AU - Shiau, Ruey Chang

PY - 2000/2/1

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AB - The removal of divalent metal ions including Cu(II), Co(II), Ni(II), and Zn(II) from aqueous solutions by membrane filtration was studied with the help of water-soluble chitosan. The Amicon regenerated cellulose YM10 and YM30 were used as ultrafilters. Experiments were performed as a function of aqueous pH, the concentration ratio of chitosan to metals (β), and applied pressure (ΔP). It was shown that at neutral condition the removal of Cu(II) was more efficient compared to other metals. Furthermore, metal removal from acidic solutions (pH<6) could be enhanced by 6-10 times via the addition of chitosan. The effect of the presence of inorganic salts on the removal was also studied. Finally, the fouling phenomena during filtration was analyzed by conventional filtration theory considering compressible nature of the deposited gel. Copyright (C) 2000 Elsevier Science B.V.

KW - Fouling analysis

KW - Membrane filtration

KW - Metal removal

KW - Water-soluble chitosan

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Metal removal from aqueous solutions using chitosan-enhanced membrane filtration

Abstract

Keywords

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