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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Application of wood flour spacers for increasing OCC solid content in wet pressing process (II)

스페이서 사용에 의한 OCC 압착공정의 고형분 증대 (II)

  • Jung, Jae Kwon (Dept. of Bio-based Materials, Chungnam National University) ;
  • Ji, Sung Jil (Dept. of Bio-based Materials, Chungnam National University) ;
  • Seo, Yung Bum (Dept. of Bio-based Materials, Chungnam National University)
  • 정재권 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 지성길 (충남대학교 농업생명과학대학 환경소재공학과) ;
  • 서영범 (충남대학교 농업생명과학대학 환경소재공학과)
  • Received : 2015.06.06
  • Accepted : 2015.06.17
  • Published : 2015.06.30
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Abstract

Linerboards containing wood flours were developed to increase solid contents in wet pressing process. Presence of wood flours in recycled fibers allowed passage of pressurized water at high wet pressing pressure, and increased solid contents while keeping the bulk of the board. The amount of wood flour addition should be controlled based on the intensity of the wet pressing pressure and the properties of the wood flours. Addition of cationic starch to the wood flour containing OCC furnish showed synergic increase of solid content and strength properties. Shapes of the wood flours such as spherical and rod type added to OCC furnish affected largely their solid content, drainage, and board physical properties.

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References

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