The Independent State of Fibres in Relation to the Mechanical Pulping World

Paper and wood are highly inhomogeneous materials. When describing the mechanical pulp itself, we allcommonly ignore that it is an inhomogeneous material. We have realized that just a very small fraction of stifffibres are enough to impair the printability of the product. In this paper we share some of our reflections andattempts how to describe the inhomogeneous nature of mechanical pulps. A method denoted BIN is underdevelopment based on independent common factors and paying attention to the inhomogeneity of the material.The method may give the possibility to describe the nature of TMP/CTMP/SGW in a more relevant way comparedto todays practice. Hence the paper and board makers may be able to deliver more uniform products at “goodenough” level at lower costs. We have realized that because a method or opinion is well spread (sometimes usedby almost everybody) it does not necessarily mean that it is relevant. A couple of myths have been reflected uponand in our opinion they remain just myths. By putting more attention to reality and describing mechanical pulp asan inhomogeneous material we hope to be able to rid ourselves and the mechanical pulping community of someother myths circulating (some still to be discovered).

Ferritsius, RitaMittuniversitetet,Avdelningen för kemiteknik,StoraEnso Paper Kvarnsveden Mill,FORIC(Swepub:miun)ritfer (author)
Rundlöf, MatsCapisco (author)
Engberg, Birgitta A.,1975-Mittuniversitetet,Avdelningen för kemiteknik,FORIC(Swepub:miun)birsve (author)
Engstrand, Per,1955-Mittuniversitetet,Avdelningen för kemiteknik,FORIC(Swepub:miun)pereng (author)
MittuniversitetetAvdelningen för kemiteknik (creator_code:org_t)

By the author/editor: Ferritsius, Olof; Ferritsius, Rita; Rundlöf, Mats; Engberg, Birgitt ...; Engstrand, Per, ...

About the subject

ENGINEERING AND TECHNOLOGY: ENGINEERING AND ...; and Materials Engine ...; and Paper Pulp and F ...

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