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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.

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.

Journal articles
Open Access
Paper science and engineering programs - a comparison of the curricula, TAPPI JOURNAL, October 1998, Vol.81(10)

Paper science and engineering programs - a comparison of the curricula, TAPPI JOURNAL, October 1998, Vol.81(10)

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)

Journal articles
Open Access
A business-oriented approach to maintenance, TAPPI JOURNAL, September 1998, Vol. 81(9)

On management: a business-oriented approach to maintenance, TAPPI JOURNAL, September 1998, Vol. 81(9)

Journal articles
Open Access
Shop talk: Implementing an effective boilout program, TAPPI JOURNAL, September 1998, Vol. 81(9)

Shop talk: implementing an effective boilout program, TAPPI JOURNAL, September 1998, Vol. 81(9)

Journal articles
Open Access
Energy efficient motor and drive systems: Your path to profit, TAPPI JOURNAL, September 1998, Vol. 81(9)

Energy efficient motor and drive systems: your path to profit, TAPPI JOURNAL, September 1998, Vol. 81(9)

Journal articles
Open Access
The Effects of cyclic axial loading of single wood pulp fibers at elevated temperature and humidity, TAPPI JOURNAL, April 1999, Vol. 82(4)

The Effects of cyclic axial loading of single wood pulp fibers at elevated temperature and humidity, TAPPI JOURNAL, April 1999, Vol. 82(4)

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)

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