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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.
Books
Running the Gauntlet: Essential Business Lessons to Lead, Drive Change, and Grow Profits
Running the Gauntlet: Essential Business Lessons to Lead, Drive Change, and Grow Profits
Books
Conquering Innovation Fatigue: Overcoming the Barriers to Personal and Corporate Success
Conquering Innovation Fatigue: Overcoming the Barriers to Personal and Corporate Success
Books
Industrial Environmental Control Pulp and Paper Industry, Second Edition, (Spanish)
Industrial Environmental Control Pulp and Paper Industry, Second Edition, (Spanish)
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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Please view the list of upcoming April webinars and events.
Books
Chemical Process Safety: Fundamentals with Applications (3rd Edition)
Chemical Process Safety: Fundamentals with Applications (3rd Edition)
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
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