펄프종이기술 (Journal of Korea Technical Association of The Pulp and Paper Industry)

한국펄프종이공학회 (Korea Technical Association of the Pulp and Paper Industry)
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방직용 재생섬유 제조를 위한 면 린터의 금속이온 함량 저감에 관한 연구

Abatement of Metal Ion Contents from Cotton Linter for the Manufacture of Regenerated Cellulose

  • 박희정 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 손하늘 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 최진성 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 서영범 (충남대학교 농업생명과학대학 환경소재공학과)
  • Park, Hee Jeong (Dept. of Bio-based materials, College of Agriculture and life science, Chungnam National University) ;
  • Son, Ha Neul (Dept. of Bio-based materials, College of Agriculture and life science, Chungnam National University) ;
  • Choi, Jin Sung (Dept. of Bio-based materials, College of Agriculture and life science, Chungnam National University) ;
  • Seo, Yung Bum (Dept. of Bio-based materials, College of Agriculture and life science, Chungnam National University)
  • 투고 : 2013.11.14
  • 심사 : 2013.12.12
  • 발행 : 2013.12.30
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초록

The reduction of metal ion from the cotton linter for the preparation of NMMO (N-methylmorpholine N-oxide)-based dissolving pulp was investigated. The NMMO-based dissolving pulp was usually used for the manufacture of high quality fabrics, and need to have high alpha cellulose content and high brightness. NMMO, which is environmentally friendly, and reusable after recovering process, is very sensitive to the metal ions such as Cu, Fe, Mg, and Cr. Electron beam, sulfuric acid, acetic acid, and ozone treatment before bleaching were used and the concentration changes of the metal ions were compared to that of EDTA, a chelating agent. It was found that both acid treatments (sulfuric and acetic acid) were very effective and comparable to EDTA treatment at the same dosage in metal ion reduction, but electron beam and ozone treatment were not. The sulfuric acid treatment turned out to be effective in metal ion reduction, and most inexpensive.

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참고문헌

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