Preparation of Fibrous Adsorbent Modified with Iminodiacetic Acid and Its Co2+, Fe2+, and Pb2+ Adsorption Characteristics

이미노디아세트산을 함유한 섬유상 흡착제 제조 및 코발트, 철, 납 이온 흡착특성

  • Yang, Hyun-Soo (Department of Industrial Chemistry, Graduate School, Chungnam National University) ;
  • Choi, Jun-Kyu (Department of Industrial Chemistry, Graduate School, Chungnam National University) ;
  • Nho, Young Chang (Radioisotopes.Radiation Application Team, Korea Atomic Energy Research Institute)
  • 양현수 (충남대학교 대학원 공업화학과) ;
  • 최준규 (충남대학교 대학원 공업화학과) ;
  • 노영창 (한국원자력연구소 방사선 응용연구팀)
  • Received : 1999.02.25
  • Accepted : 1999.03.31
  • Published : 1999.05.10

Abstract

The grafting of 2,3-epoxypropylmethacrylate (GMA) onto polypropylene fabric was carried out by the $\gamma$-ray preirradiation grafting technique. Subsequently, the GMA-grafted polypropylene fabric was reacted with iminodiacetic acid (IDA) in different mixed solvents to prepare the fibrous metal adsorbent. The grafting extent was found to be dependent on the reaction time, temperature, preirradiation dose and dose rate. The effects of various mixed solvents on the IDA amination onto GMA-grafted polypropylene fabric were investigated. Compared with other mixed solvents, the extent of amination was highest in the dimethylsulfoxide (DMSO)/water, but the reaction did not occur in the water. The adsorption characteristics of various metal ions by the prepared adsorbent were examined when it was immersed in the 100 ppm metal ion solution. The amount of adsorption followed the order:$Pb^{2+}>Co^{2+}>Fe^{2+}$.

Keywords

Preirradiation Technique;Polypropylene Fabric;2,3-Epoxypropylmethacrylate;lminodiacetic Acid;Fibrous Adsorbent

Acknowledgement

Supported by : 과학기술부

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