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Characterizing rheological behavior and fluidization of highly refined furnishes, TAPPI Journal April 2024
ABSTRACT: In this work, highly refined softwood bleached kraft pulp (SWBKP) furnishes, referred to here as XFC, were studied from the perspective of fiber suspension handling in processing. The rheology of the furnishes was studied with a rotational rheometer using a non-standard flow geometry to understand the viscosity development at different consistencies and the impact of temperature. For fluidization analysis during pipe flow, two optical methods were implemented; namely, optical coherence tomography (OCT) and high-speed video (HSV) imaging. The OCT was used to determine the small-scale floc structures near the pipe wall where the shear stress is highest, and the HSV imaging was applied for observing flow instabilities and XFC suspension uniformity at the pipe scale. All these issues can be significant in deciding the minimum flow rate required for a process pipe to get sufficient fluidization of XFC suspensions.
TAPPI News
TAPPISAFE® Kicks Off Tenth Anniversary During National Safety Month
As the first industry-recognized and designed safety orientation and verification program, TAPPISAFE has implemented over one million standardized safety tests since 2012
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LbL Nanocoating for Fiber Recycling-Improved Paper Recycling through Fiber, 2007 TAPPI 8th Research Forum on Recycling
LbL Nanocoating for Fiber Recycling-Improved Paper Recycling through Fiber, 2007 TAPPI 8th Research Forum on Recycling
Conference papers
Application of Nanotechnology in Pulp and Paper in Japan, 2006 International Conference on Nanotechnology
Application of Nanotechnology in Pulp and Paper in Japan, 2006 International Conference on Nanotechnology
Journal articles
Magazine articles
TAPPI Journal Summaries, Paper360º May/June 2018
TAPPI Journal Summaries, Paper360º May/June 2018
Journal articles
Magazine articles
TAPPI Journal Summaries, Paper360º July/August 2020
TAPPI Journal Summaries, Paper360º July/August 2020
Books
CSR Strategies: Corporate Social Responsibility for a Competitive Edge in Emerging Markets
CSR Strategies: Corporate Social Responsibility for a Competitive Edge in Emerging Markets
Journal articles
Nanoscale morphology of lignins and their chemical transformation products, TAPPI JOURNAL, March 1996, Vol. 79(3)
Nanoscale morphology of lignins and their chemical transformation products, TAPPI JOURNAL, March 1996, Vol. 79(3)
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TAPPI Standards, Technical Information Papers, and Useful Methods CD 2020
TAPPI Standards, Technical Information Papers, and Useful Methods CD 2020