Studies on Deinking Properties of Recovered Paper for Manufacturing Eco-friendly Thermal Recording Paper

Tai Ju Lee; Do Chim Choi; Moon Sung Kim; Jeong Yong Ryu

doi:10.7584/ktappi.2015.47.6.098

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2015 Vol.47, Issue 6 Preview Page Next Page

Studies on Deinking Properties of Recovered Paper for Manufacturing Eco-friendly Thermal Recording Paper 친환경 감열기록지 생산을 위한 순환제지자원의 탈묵 특성 연구

30 December 2015. pp. 98-105

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Abstract

Demands of thermal recording paper have been increased significantly by increase in usage of invoice, fax, and label. Thermal recording paper was mainly made based on virgin fiber. It is necessary to find a suitable alternative to virgin fiber in terms of environment protectional resources conservation. In this paper, deinking properties of different recovered papers were analyzed in order to use the recovered paper as raw material of thermal recording paper. Recovered paper were ONP, OMG and white ledger. Flotation reject of OMG was high because inorganic pigments in coating layer could be removed by upstream of froth. Brightness of white ledger and OMG were much higher than that of ONP. Therefore, properties of pulp made from the recovered paper could be enhanced with increase in blending ratio of white ledger and OMG. However, blending ratio of OMG caused the increase of flotation reject. Consequently, the optimum blending ratio of ONP, OMG, and white ledger was 3:3:3 for eco-friendly thermal recording paper. Under the condition, brightness was about 70% and ERIC was below 300 ppm.

Keywords

Deinking

thermal recording paper

flotation

old newspaper

white ledger

old magazine

References

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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 : 47
No :6
Pages :98-105
Received Date : 2015-11-11
Revised Date : 2015-12-10
Accepted Date : 2015-12-12
DOI :https://doi.org/10.7584/ktappi.2015.47.6.098

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

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Literature Cited