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

Korea Technical Association of the Pulp and Paper Industry (한국펄프종이공학회)
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Evaluation of the physical properties of organic fillers made from agricultural byproducts

농업부산물로 제조된 유기충전제의 물리적 특성 평가

  • 이지영 (경상대학교 환경재료과학과/농업생명과학연구원) ;
  • 임기백 (경상대학교 환경재료과학과/농업생명과학연구원) ;
  • 김영훈 (깨끗한나라(주)) ;
  • 이세란 (깨끗한나라(주)) ;
  • 김만영 (깨끗한나라(주)) ;
  • 김철환 (경상대학교 환경재료과학과/농업생명과학연구원) ;
  • 김선영 (경상대학교 환경재료과학과/농업생명과학연구원) ;
  • 김준식 (경상대학교 환경재료과학과/농업생명과학연구원)
  • Received : 2013.07.26
  • Accepted : 2013.08.16
  • Published : 2013.08.30
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Abstract

In this study, we investigated the physical properties of powders made from agricultural byproducts, including rice straw, peanut husks, and garlic stems, to manufacture a new organic filler used for making paperboard. These materials were collected individually, and then we measured their chemical compositions. The byproducts were ground with a laboratory grinder and fractionated with 60-, 100-, and 200-mesh sieves to make many grades of organic fillers. After the grinding and fractionation, the yield, mean particle size, and particle size distribution of each grade were measured. Particle shapes were also investigated using a scanning electron microscope. The organic filler made from rice straw had the highest yield of the largest particle size group and higher contents of cellulose and hemicellulose than those made from peanut husks and garlic stems. The rice straw also showed more regular particle shapes and a lower aspect ratio than the other agricultural byproducts.

Keywords

References

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