Metal collection using chelating hollow fiber membrane

Satoshi Tsuneda, Kyoichi Saito, Shintaro Furusaki, Takanobu Sugo, Jiro Okamoto

Research output: Contribution to journalArticle

83 Citations (Scopus)

Abstract

Three kinds of functional groups, iminodiacetate (IDA), amidoxime (AO), and phosphoric acid (PA), were introduced into a micro filtration hollow fiber membrane by radiation-induced grafting and subsequent chemical modification. The chelating hollow fibers containing AO or IDA groups exhibited a 1.1 m3/(m2-hr) pure water flux at 100% grafting of each precursor monomer, while the hollow fiber containing the PA group had a negligible flux. Breakthrough curves were obtained by permeating a metal-ion-containing feed solution radially from inside to outside of the chelating hollow fiber. The IDA chelating hollow fiber was superior to the AO chelating hollow fiber with regard to the collection of cobalt ion. The IDA hollow fiber, whose degree of glycidyl methacrylate grafting ranged from 20 to 260%, had a saturation capacity of cobalt ion of 0.13-1.3 mole Co per kg of base polymer.

Original languageEnglish
Pages (from-to)221-234
Number of pages14
JournalJournal of Membrane Science
Volume58
Issue number2
DOIs
Publication statusPublished - 1991 May 15
Externally publishedYes

Fingerprint

Chelation
hollow
Metals
Ions
membranes
Cobalt
Membranes
fibers
Fibers
metals
phosphoric acid
Phosphoric acid
Polymers
Radiation
cobalt
permeating
Fluxes
Water
Microfiltration
Chemical modification

Keywords

  • chelating membrane
  • chemical modification
  • grafting, radiation induced
  • hollow fiber membrane
  • ion-exchange membrane
  • microporous and porous membrane
  • polyethylene membrane
  • water treatment

ASJC Scopus subject areas

  • Filtration and Separation
  • Polymers and Plastics

Cite this

Metal collection using chelating hollow fiber membrane. / Tsuneda, Satoshi; Saito, Kyoichi; Furusaki, Shintaro; Sugo, Takanobu; Okamoto, Jiro.

In: Journal of Membrane Science, Vol. 58, No. 2, 15.05.1991, p. 221-234.

Research output: Contribution to journalArticle

Tsuneda, Satoshi ; Saito, Kyoichi ; Furusaki, Shintaro ; Sugo, Takanobu ; Okamoto, Jiro. / Metal collection using chelating hollow fiber membrane. In: Journal of Membrane Science. 1991 ; Vol. 58, No. 2. pp. 221-234.
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