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Improved deinking and stickies removal

Improved deinking and stickies removal, TAPPI JOURNAL November 2017

Journal articles
Magazine articles
Open Access
Effect of conductivity on paper and board machine performanc

Effect of conductivity on paper and board machine performance— a review and new experiences, TAPPI JOURNAL October 2017

Journal articles
Magazine articles
Open Access
Techno-economic analysis of ECF bleaching and TCF bleaching

Techno-economic analysis of ECF bleaching and TCF bleaching for a bleached eucalyptus kraft pulp mill, TAPPI JOURNAL October 2017

Journal articles
Magazine articles
Open Access
Comprehensive fault detection and isolation method applied t

Comprehensive fault detection and isolation method applied to a recovery boiler, TAPPI JOURNAL May 2016

Journal articles
Magazine articles
Open Access
Psychophysical tests for visual-numerical correlation of whi

Psychophysical tests for visual-numerical correlation of whiteness formulas, TAPPI JOURNAL May 2016

Journal articles
Magazine articles
Open Access
Editorial: 2016 TJ highlights: Recovery cycle, nanotechnolo

Editorial: 2016 TJ highlights: Recovery cycle, nanotechnology, and recycling research, November 2016 TAPPI JOURNAL

Journal articles
Magazine articles
Open Access
The influence of strain rate and pulp properties on the stre

The influence of strain rate and pulp properties on the stress relaxation of wet paper — modeling of relaxation, November 2016 TAPPI JOURNAL

Journal articles
Magazine articles
Open Access
Effect of eucalyptus bark contamination during pulping of mi

Effect of eucalyptus bark contamination during pulping of mixed southern hardwoods, November 2016 TAPPI JOURNAL

Journal articles
Magazine articles
Open Access
Increased dryness after pressing and wet web strength by uti

Increased dryness after pressing and wet web strength by utilizing foam application technology, November 2016 TAPPI JOURNAL

Journal articles
Magazine articles
Open Access
The sticky behavior of pulp and paper mill biosludge during drying, TAPPI Journal June 2019

ABSTRACT: Pulp and paper mill biosludge becomes sticky after being dried to a certain solids content. As bio-sludge becomes sticky, it agglomerates and adheres to the heat transfer surfaces of the dryer. This undesirable property can lower the dryer efficiency and cause the drying equipment to fail.A systematic study was conducted to examine the sticky behavior of biosludge. The stickiness was evaluated by measuring the adhesive force between a sludge cake and a stainless steel substrate, and the cohesive force between a sludge cake and a sludge substrate. The results show that: i) both adhesive and cohesive forces increase markedly as the solids content increases, reaching a maximum value at about 13% solids, and then decrease steadily at a high-er solids content; ii) cohesive force is stronger than adhesive force, implying that biosludge tends to agglomerate rather than adhere to smooth equipment surfaces; and iii) mixing wood fines or fly ash from a biomass boiler reduc-es the stickiness of the mixture. These findings may help mills improve the thermal efficiency of biosludge dryers and to turn biosludge into a more attractive fuel for burning in biomass boilers.

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