Review of factors affecting the release of water from cellulosic fibers during paper manufacture
By M. Hubbe, J. Heitmann. BioResources, 2007
149 citations recorded by the source corpus.
The ease with which water is released from cellulosic fiber material during the manufacturing of paper can affect both the production rate and the consumption of energy during the manufacturing process. Important theoretical contributions to dewatering phenomena have been based on flow through packed beds of uniformly distributed fibers. Such descriptions are able to explain why resistance to dewatering increases as a function of the hydrodynamic surface area of fibers. More recent studies have demonstrated a critical role of finely divided matter. If the fines are unattached to fibers, then they tend to move freely through the fiber mat and plug channels in the paper web during the dewatering process. Dewatering also is affected by the deformability of cellulosic fibers and by whether the fibers easily slide past each other, thereby forming a dense mat. By emphasizing the role of fine matter, colloidal forces, and conformability of cellulosic materials, one can gain a more realistic understanding of strategies that papermakers use to enhance initial drainage and vacuum-induced dewatering.
Subfields: Biomaterials, Materials Chemistry, Mechanics of Materials
View Paper: https://www.semanticscholar.org/paper/86b6d226c07351c0a5c6e98a83bc4734f1103804
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In Biomaterials
In Materials Chemistry
In Mechanics of Materials
Citations in the corpus
- Effect of microfibrillated cellulose and fines on the drainage of kraft pulp suspension and paper strength (2010, background): “In papermaking it is a very demanding task to enhance the physical properties of paper without simultaneously deteriorating the drainage properties ( Hubbe and Heitmann 2007 ).”
- Nanofibrillated cellulose as paper additive in eucalyptus pulps (2012, background): “However, high ºSR results in drainage difficulties in the slurry, which leads to runnability problems during paper formation (Norell et al. 1999; Hubbe and Heitmann 2007).”
- WHAT HAPPENS TO CELLULOSIC FIBERS DURING PAPERMAKING AND RECYCLING? A REVIEW (2007, background): “A high level of fines tends to slow down the dewatering of the wet web of paper (Hubbe and Heitmann 2007) and the associated loss of fiber length is likely to decrease other strength attributes of the paper product, such as tear strength and folding endurance.”