Study of Preparation and Characterization of Microcrystalline cellulose from Miscanthus sinensis

미세결정셀룰로오스의 제조를 위한 억새 바이오매스의 처리 및 특성연구

  • Sung, Yong-Joo (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Lee, Young-Ju (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Lee, Joon-Woo (Dept. of Environment & Forest Resources, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Kim, Se-Bin (Dept. of Environment & Forest Resources, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Park, Gwan-Soo (Dept. of Environment & Forest Resources, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Shin, Soo-Jeong (Chungbuk National University, College of Agriculture, Life & Environment Sciences, Department of Wood and Paper Science)
  • 성용주 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 이영주 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 이준우 (충남대학교 농업생명과학대학 산림환경자원학과) ;
  • 김세빈 (충남대학교 농업생명과학대학 산림환경자원학과) ;
  • 박관수 (충남대학교 농업생명과학대학 산림환경자원학과) ;
  • 신수정 (충북대학교 농업생명환경대학 목재.종이과학과)
  • Received : 2010.11.29
  • Accepted : 2010.12.17
  • Published : 2010.12.30

Abstract

Microcrystalline cellulose (MCC) was prepared from Miscanthus in this study. Two pulping methods, soda pulping and alkaline sulfite pulping were applied as a pretreatment process. After pulping, two different bleaching processes such as $ClO_2$ treatment followed by $H_2O_2$ treatment and $O_3$ treatment followed by $H_2O_2$ treatment were carried out. Two concentration of $H_2SO_4$, 47% and 57% were applied to the purified Miscanthus cellulose as a acid hydrolysis process to make MCC. The crystallinity index and morphological properties of the produced MCC were evaluated with X-ray diffractometer and scanning electron microscopy. The MCC originated from the soda pulping sample showed the higher crystallinity index than that originated from the alkaline sulfite pulping sample. The two stages of treatmen twith $O_3$ and $H_2O_2$ resulted in the higher purified cellulose products.

Keywords

References

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