Analysis of Paper Qualities and Forming Process at Varied Mixing Ratios of Different Kinds of Recovered Paper

Do-Chim Choi; Kwang Seob Lee; Chang Keun Kim; Byoung-Uk Cho; Jeong-Yong Ryu

doi:10.7584/ktappi.2014.46.3.028

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2014 Vol.46, Issue 3 Preview Page Next Page

Analysis of Paper Qualities and Forming Process at Varied Mixing Ratios of Different Kinds of Recovered Paper 이종 폐지 혼합 비율에 따른 종이 품질 및 초지 공정 변화 분석

30 June 2014. pp. 28-36

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Abstract

The kind and the mixing ratio of recovered papers would affect the quality of final recycled paper. In this study, effects of the mixing ratio of various domestic recycled papers (old news print (ONP), old corrugated container (OCC) and coated paper (CP)) on variations in physical properties of paper and its productivity were investigated. When the mixing ratio of CP grade increased, the freeness (CSF) of recycled pulp was increased while paper strength and white water turbidity was decreased. Paper strength was decreased as the percentage of OCC was higher than ONP. When ONP was mixed with OCC, no adverse effect was observed except the increased drainage resistance. It is expected that these results could be utilized as fundamental data to establish regulations for the recovered paper grades according to mixing ratios of different kinds of them.

Keywords

Old News Print(ONP)

Old Corrugated Container(OCC)

Coated Paper(CP)

Mixing ratio, Paper Quality

Forming Process

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Information

Publisher :Korea Technical Association of The Pulp and Paper Industry
Publisher(Ko) :한국펄프종이공학회
Journal Title :Journal of Korea TAPPI
Journal Title(Ko) :펄프종이기술
Volume : 46
No :3
Pages :28-36
Received Date : 2014-05-13
Revised Date : 2014-05-21
Accepted Date : 2014-05-26
DOI :https://doi.org/10.7584/ktappi.2014.46.3.028

Journal of Korea TAPPI ISSN:0253-3200(Print) 펄프종이기술

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