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The role of hornification in the deterioration mechanism of physical properties of unrefined eucalyptus fibers during paper recycling, TAPPI Journal February 2024

ABSTRACT: Physical properties of cellulosic paper deteriorate significantly during paper recycling, which hinders the sustainable development of the paper industry. This work investigates the property deterioration mechanism and the role of hornification in the recycling process of unrefined eucalyptus fibers. The results showed that during the recycling process, the hornification gradually deepened, the fiber width gradually decreased, and the physical properties of the paper also gradually decreased. After five cycles of reuse, the relative bonding area decreased by 17.6%, while the relative bonding force decreased by 1.8%. Further results indicated that the physical property deterioration of the paper was closely related to the decrease of fiber bonding area. The fiber bonding area decreased linearly with the reduction of re-swollen fiber width during paper recycling. Re-swollen fiber width was closely related to the hornification. Hornification mainly reduces the bonding area of unrefined eucalyptus fiber rather than the bonding force. The work elucidates the role of hornification in the recycling process of unrefined eucalyptus fibers and the deterioration mechanism of paper physical properties, which will be helpful to control the property deterioration of paper and achieve a longer life cycle.

Journal articles
Water Sustainability and the North American Forest Products industry, Paper360° September/October 2010

Water Sustainability and the North American Forest Products Industries, Paper360º September/October 2010

Journal articles
Microfilters Reduce Fresh Water Consumption, Paper360° September/October 2010

Microfilters Reduce Fresh Water Consumption, Paper360º September/October 2010

Journal articles
TAPPI JOURNAL Summaries, Paper360° September/October 2010

TAPPI JOURNAL Summaries, Paper360º September/October 2010

Journal articles
ABB's Roger Bailey, Paper360° September/October 2010

Inteview: ABB's Roger Bailey, Paper360º September/October 2010

Journal articles
The role of mill engineering in water conservation, Frontline Focus, Volume 7, Issue 2

Frontline Focus, February 2011

Journal articles
Pipe Systems Under Attack, Frontline Focus, Volume 7, Issue 6

Frontline Focus, June/July 2011

Journal articles
Paper mill maintenance maturing in more ways than one, Frontline Focus, Volume 7, Issue 7

Frontline Focus, August 2011

Journal articles
Maintaining suction roll internal bearings, Frontline Focus, Volume 7, Issue 8

Frontline Focus, September 2011

Journal articles
The Problem of Paper Curl, Frontline Focus, Volume 7, Issue 10

Frontline Focus, November/December 2011

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