Fibre Development in Chemimechanical Pulp Refining

Author(s)

Gordon Broderick, Nova Southeastern UniversityFollow
J. Paris
J.L. Valade

Document Type

Article

Publication Date

1-1-1996

Publication Title

Paperi ja Puu

Volume

79

Issue/Number

4

First Page

193

ISSN

0734-1415

Last Page

201

Abstract/Excerpt

A second-order PLS model has been calculated to study the impact of two-stage refining on the standard handsheet properties of a chemimechanical pulp as well as the effect on fiber length distribution and whole pulp specific surface. For a certain ratio of specific energy to refining intensity in the first stage, specific surface can be developed without loss in average fiber length. Fine material is peeled primarily from the middle fiber fractions in the first stage of refining, when high energy levels are distributed over a large number of impacts. While increases in refining intensify may be substituted for increases in applied energy to maintain adequate fiber length, whole pulp specific surface benefits most from higher energy levels applied at low intensity. Minimizing energy requirements by increasing intensity in the first refining stage is therefore better suited to the suffer fibers common to TMP pulping.

NSUWorks Citation

Broderick, G., Paris, J., Valade, J. (1996). Fibre Development in Chemimechanical Pulp Refining. Paperi ja Puu, 79(4), 193-201.
Available at: https://nsuworks.nova.edu/cps_facarticles/1034