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A method for optimizing lumber sorting before kiln-drying
FPInnovations - Forintek, Vancouver, BC.
2009 (English)In: Forest products journal, ISSN 0015-7473, Vol. 59, no 9, p. 45-50Article in journal (Refereed) Published
Abstract [en]

Drying lumber can be quite challenging when uniformity and consistency are required. Over-drying and under-drying are common causes for lower grade recovery and dimensional stability problems. It is known that both over-drying and underdrying can be reduced by sorting green lumber into different moisture content groups. Additionally, sorting also offers the opportunity to redesign drying schedules. In this study, a new methodology was designed and tested to optimize kiln-drying of lumber by implementing green sorting coupled with modified drying schedules. The methodology was applied to optimize the drying of 114 by 114 mm2 hem-fir lumber sorted with an NMI capacitance type meter. It was found that in comparison to unsorted lumber, sorting into three groups reduced the drying time by approximately 7 percent and recovered around threequarters of the under-dried lumber

Place, publisher, year, edition, pages
2009. Vol. 59, no 9, p. 45-50
Identifiers
URN: urn:nbn:se:ltu:diva-8049Local ID: 67dfe3c1-6dc4-45e8-9034-53fbacee4718OAI: oai:DiVA.org:ltu-8049DiVA, id: diva2:980939
Note
Upprättat; 2009; 20140405 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Elustondo, Diego

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