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Journal articles
Magazine articles
Open Access
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.

Magazine articles
Open Access
1994 polymers, laminations and coatings conference highlights technology basics, TAPPI JOURNAL, December 1994, Vol. 77(12)

1994 polymers, laminations and coatings conference highlights technology basics, TAPPI JOURNAL, December 1994, Vol. 77(12)

Magazine articles
Open Access
Extend the life of your hoists, TAPPI JOURNAL, February 1994, Vol. 77(2)

Extend the life of your hoists, TAPPI JOURNAL, February 1994, Vol. 77(2)

Magazine articles
Open Access
The enemy within, TAPPI JOURNAL, April 1997, Vol. 80(4)

The enemy within, TAPPI JOURNAL, April 1997, Vol. 80(4)

Magazine articles
Open Access
Anhydrous ammonia storage vessels in the pulp and paper industry, TAPPI JOURNAL, April 1997, Vol. 80(4)

Anhydrous ammonia storage vessels in the pulp and paper industry, TAPPI JOURNAL, April 1997, Vol. 80(4)

Magazine articles
Open Access
English as a first and second language - part 6: avoiding grammar traps, TAPPI JOURNAL, September 1998, Vol. 81(9)

English as a first and second language - part 6: avoiding grammar traps, TAPPI JOURNAL, September 1998, Vol. 81(9)

Magazine articles
Open Access
Mondi in south africa, TAPPI JOURNAL, April 1999, Vol. 82(4)

Mondi in south africa, TAPPI JOURNAL, April 1999, Vol. 82(4)

Magazine articles
Open Access
Views from the top: ceos offer global perspectives on the pulp and paper industries, TAPPI JOURNAL, August 1999, Vol. 82(8)

Views from the top: ceos offer global perspectives on the pulp and paper industries, TAPPI JOURNAL, August 1999, Vol. 82(8)

Magazine articles
Open Access
UGA warnell school of forest resources builds mobile lab for wastewater analyses and management, TAPPI JOURNAL, December 1999, Vol. 82(12)

UGA warnell school of forest resources builds mobile lab for wastewater analyses and management, TAPPI JOURNAL, December 1999, Vol. 82(12)

Journal articles
Magazine articles
Open Access
Considerations in managing wastewater odor at pulp and paper operations, TAPPI Journal March 2022

ABSTRACT: Many pulp and paper mills are, at least periodically, faced with the release of odors that can migrate offsite and be considered a nuisance by nearby residents. At chemical pulp mills, perceptible odors associated with reduced sulfur compounds (RSCs) are common, many of which are highly perceptible owing to their low odor thresholds. As releases of RSCs and other odorous substances from production processes are progressively controlled, the proportional contribution from wastewater treatment systems to areal odors can increase. This review paper summarizes important fundamentals of odor generation, source identification, and control. Common odorous substances are identified, and mechanisms for their generation are summarized. Approaches for measuring odorous substances are detailed to enable more effective management, and various odor control strategies are discussed.

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