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 Wet Pressing Response of Recycled OCC with Roll Press Simulator

롤프레스를 적용한 골판지 고지지료의 압착탈수특성평가

  • Sung, Yong-Joo (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Jeong, Wong-Ki (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Kim, Dong-Seop (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Oh, Min-Taek (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Hong, Hae-Un (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Seo, Yong-Bum (Dept. of Biobased Materials, College of Agriculture and Life Science, Chungnam Natl. Univ.) ;
  • Im, Chang-Kuk (Dongil Paper Company Inc.) ;
  • Gwon, Wan-Oh (Dongil Paper Company Inc.) ;
  • Kim, Jin-Doo (Dongil Paper Company Inc.)
  • 성용주 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 정웅기 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 김동섭 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 오민택 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 홍해은 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 서영범 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 임창국 (동일제지주식회사) ;
  • 권완오 (동일제지주식회사) ;
  • 김진두 (동일제지주식회사)
  • Received : 2012.08.03
  • Accepted : 2012.08.20
  • Published : 2012.08.30
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Abstract

Wet pressing process has great influence not only on the paper properties but also on the efficiency of total manufacturing process including energy efficiency. The slow drainage propensity of old corrugated container(OCC) might require more complicated control of wet pressing process. In this study, the change in press efficiency and in structure of wet sheet by the various condition of laboratory roll press simulator were evaluated to provide background information about wet pressing of OCC. The higher pressure and the slower machine speed resulted in higher efficiency of wet pressing but the change trends of dryness depending on the wet press pressure and machine speed were shown differently according to OCC treatment. The effects of water contents of felt on the wet press efficiency and sheet structure were also investigated. The higher contents of water in felt resulted in less removal of water generally and the crushed structure of wet sheet were appeared especially at higher pressure.

Keywords

References

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