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Interaction of Oxygen and Chlorine Dioxide in Pulp Bleaching (II) - Studies on the Degradation of Carbohydrates -  

윤병호 (강원대학교 산림과학대학 제지공학과)
김세종 (강원대학교 산림과학대학 제지공학과)
최경화 (강원대학교 산림과학대학 제지공학과)
김영훈 (백광소재(주)기술연구소)
Publication Information
Journal of Korea Technical Association of The Pulp and Paper Industry / v.36, no.1, 2004 , pp. 37-42 More about this Journal
Abstract
ECF and TCF bleaching methods are favored in bleaching plants over the world due to the increasing environment constraints. However, interaction of main stages(D and O stage) in ECF bleaching have not been understood completely yet. The degradation of holocellulose as a carbohydrate model compound was investigated by SEC(size exclusive chromatography) to estimate the change of its molecular weight distribution after O and D stage combination treatment. The molecular weight distribution of holocellulose was observed in two divisions(higher and lower molecular portions). It was also shown that DO sequence was more effective than OD, and DOD or ODO was more effective than DO. D stage had a little effect on the degradation of holocellulose, while the degradation of holocellulose increased as the time of the first O stage increased.
Keywords
ECF; pulp bleaching; oxygen; chlorine dioxide; holocellulose;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 0
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