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Deinking of Electrostatic Wastepaper with Cellulolytic Enzymes and Surfactant in Neutral pH
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  • Deinking of Electrostatic Wastepaper with Cellulolytic Enzymes and Surfactant in Neutral pH
  • Deinking of Electrostatic Wastepaper with Cellulolytic Enzymes and Surfactant in Neutral pH
저자명
Eom. Tae-Jin,Kim. Kang-Jae,Yoon. Kyoung-Dong
간행물명
펄프 종이기술
권/호정보
2007년|39권 5호|pp.12-19 (8 pages)
발행정보
한국펄프종이공학회
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정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Enzymatic deinking method can avoids the alkaline environment as usual required in chemical deinking, which consequently cuts chemical costs and reduced the white water pollution. The electrostatic wastepaper was dinked with commercial cellulolytic enzymes and surfactant in neutral pH and the effectiveness of deinking and the physical properties of deinked pulp were evaluated. The disintegrating efficiency of the electrostatic wastepaper in neutral pH was enhanced with enzyme treatments. Although the freeness of deinked pulp with enzymes was higher than that of deinked pulp with chemical de inking agents, the brightness of the enzymatic deinked pulp was slightly lower than that of the chemical deinked pulp. But, by additions of nonionic surfactants, the brightness of deinked pulp was increased with less residual ink particles and mechanical properties of enzymatic deinked pulp was improved compared to the deinked pulp of conventional alkaline method.