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The effect of process conditions on pulp quality development in low consistency refining of mechanical pulp - TMP
RISE., Innventia.
RISE., Innventia.ORCID-id: 0000-0003-3534-1107
2010 (engelsk)Inngår i: Appita journal, ISSN 1038-6807, Vol. 63, nr 5, s. 377-380Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

High consistency (HC) defibration followed by secondary stage low consistency refining (LC) is an energy efficient process in mechanical pulping that has been explored for some time. In this study the effects of temperature, pH, specific edge load and specific energy on pulp quality have been investigated for LC refining using a mobile LC refiner rig placed after a primary stage HC refiner In the Braviken Paper mill. The trials showed that the specific energy consumption in production of mechanical pulp can be reduced with at least 15% with preserved pulp properties. High temperature, pH over 7 and low specific edge load were advantageous both for tensile index development and for preserving the fibre length of the pulp. The development of other pulp properties such as shives content and light scattering coefficient, as a function of freeness, were comparable for the second stage LC- and HC-refining.

sted, utgiver, år, opplag, sider
2010. Vol. 63, nr 5, s. 377-380
Emneord [en]
Defloration, High consistency refining, Low consistency, PH, specific edge load, Temperature, TMP
HSV kategori
Identifikatorer
URN: urn:nbn:se:ri:diva-29544Scopus ID: 2-s2.0-78049403376OAI: oai:DiVA.org:ri-29544DiVA, id: diva2:1095722
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Tilgjengelig fra: 2017-05-15 Laget: 2017-05-15 Sist oppdatert: 2018-08-21bibliografisk kontrollert

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