Design of High Efficiency Chelate Fibers with an Amine Group to Remove Heavy Metal Ions and pH-Related FT-IR Analysis

Dong Hun Shin, Young Gun Ko, Ung Su Choi, Woo Nyon Kim

Research output: Contribution to journalArticlepeer-review

76 Citations (Scopus)

Abstract

We have been searching a new ion exchange material in the form of a fiber which could get large advantages over the conventional bead type. In this approach, an effective chelating fiber is prepared by the coupling of polyacrylonitrile (PAN) and ethylenediamine. A synthesized ion exchange fiber (poly(acrylo-amidino ethylene amine), PAEA) achieved 7.8 mequiv/g of adsorption capacity in a batch test. The coupling process and capacity were confirmed through FT-IR, acid-base neutralization titration, ICP, IC, and AAS. By means of verifying the bonding peaks (hydrogen and ionic bonding) under several pHs, molecular bonding between PAEA and ions (Cu2+ and CrO 42-) was certified. Surface morphologies of chelating fibers and also after metal ion adsorption were examined by AFM. Compared with a batch test, the adsorption ability was low due to the diffusion path of ions in the dynamic test.

Original languageEnglish
Pages (from-to)2060-2066
Number of pages7
JournalIndustrial and Engineering Chemistry Research
Volume43
Issue number9
DOIs
Publication statusPublished - 2004 Apr 28

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Fingerprint Dive into the research topics of 'Design of High Efficiency Chelate Fibers with an Amine Group to Remove Heavy Metal Ions and pH-Related FT-IR Analysis'. Together they form a unique fingerprint.

Cite this