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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Studies on the Recycling Technology of the Waste Paper with Wood Degradable Enzyme(II)-Effect of Crude Enzyme on the Bleaching Characteristics and Physical Properties of Waste Paper-

목질분해효소에 의한 고지의 재활용 기술연구(제2보)-조효소가 폐지의 표백 특성 및 종이의 물성에 미치는 영향-

  • 양재경 (경북대학교 농업과학기술연구소) ;
  • 장준복 (중부대학교 자연과학대학) ;
  • 엄태진 (경북대학교 농과대학)
  • Published : 1998.09.01
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Abstract

Crude enzymes of Trichoderma viride and Phanerochaete chrysosporium were evaluated for their effect to brightness and physical properties of recycled pulp from newspaper and corrugated container board. The brightness of recycled pulp from newspaper increased with crude enzymes from Trichoderma viride and Phanerochaete chrysosporium. The brightness of recycled pulp of corrugated container board increased with crude enzyme from Phanerochaete chrysosporium, but decreased with crude enzyme from Trichoderma viride. The Δbrightness with chemical bleaching of crude enzyme treated pulp was lower than that of heat killed enzyme treated pulp, but the final brightness of pulp was increased. Modification of recycled paper with crude enzymes can result in a substantial increase in physical properties with little no loss in pulp freeness.

Keywords

References

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