Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Heavy Metal Sorption Properties of Poly(acrylonitrile)/Hydroxyapatite Porous Composite Fibers

다공성 폴리아크릴로니트릴/히드록시아파타이트 복합섬유의 중금속 흡착 특성

  • Park, Doo-Sung (Department of Nano-Bio Textile Engineering, Kumoh National Institute of Technology) ;
  • Park, Jae-Ha (Department of Nano-Bio Textile Engineering, Kumoh National Institute of Technology) ;
  • Min, Byung-Gil (Department of Nano-Bio Textile Engineering, Kumoh National Institute of Technology)
  • 박두성 (금오공과대학교 나노바이오텍스타일공학과) ;
  • 박재하 (금오공과대학교 나노바이오텍스타일공학과) ;
  • 민병길 (금오공과대학교 나노바이오텍스타일공학과)
  • Received : 2010.01.02
  • Accepted : 2010.02.10
  • Published : 2010.02.28
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Abstract

Composite fibers of polyacrylonitrile (PAN) and hydroxyapatite (HAp) were prepared through a wet-spinning process for the purpose of using as a sorbent which can remove harmful cadmium ions from wastewater or food. HAp could be well immobilized in the PAN matrix in the fibers up to 50 wt%. Highly porous structure could be obtained by direct extrusion of the dope to water as coagulant resulting in density of the fibers lower to 0.38 g/$cm^3$. Thus radial pore channels were found to be well developed through the fiber, which is essential key-structure for the effective diffusion of metal ions from water-phase to inside of the fibers. The composite fibers showed maximum cadmium sorption amount of 12.3 mg per g of fiber and 30.7 mg per g of HAp.

Keywords

Acknowledgement

Supported by : 금오공과대학교

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