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The importance of accurate measurement of comminuted logging residues’ moisture contents for small-scale forest owners
Linnaeus University, Faculty of Technology, Department of Forestry and Wood Technology.ORCID iD: 0000-0002-9617-5264
Linnaeus University, Faculty of Technology, Department of Mathematics.ORCID iD: 0000-0002-7790-0539
Linnaeus University, Faculty of Technology, Department of Forestry and Wood Technology.ORCID iD: 0000-0003-2860-7587
The Swedish University of Agricultural Sciences. (Department of Forest Products)
2016 (English)In: Drewno, ISSN 1644-3985, Vol. 59, no 198, 99-110 p.Article in journal (Refereed) Published
Abstract [en]

Bioenergy from logging residues is an important contributor to Swedish energysupplies. Thus, accurate measurements of delivered logging residues’ energycontents are very important for both sellers and buyers. Deliveries’ energycontents are highly correlated with their moisture contents, and thus aredetermined in southern Sweden (and elsewhere) by measuring their masses andmoisture contents. There is insufficient knowledge, however, about the variation inmoisture content within and between deliveries, and hence the minimum numberof samples needed to obtain the required precision. Thus, these variations wereexamined in detail in the presented study. Nested analysis of the variance of theacquired data shows that at least nine samples are required to obtain estimates ofa delivery’s moisture content with a 3% margin of error. For high volume trade,such as that between forest companies and the energy-conversion industry,current measurement practices are sufficiently accurate. For private forest ownersmaking single deliveries, however, higher precision is required as inaccuratemeasurements can strongly affect prices.

Place, publisher, year, edition, pages
2016. Vol. 59, no 198, 99-110 p.
Keyword [en]
forest residues, bioenergy, forest-fuel, scaling, moisture content, private forest owners
National Category
Forest Science
Research subject
Technology (byts ev till Engineering), Forestry and Wood Technology; Technology (byts ev till Engineering)
Identifiers
URN: urn:nbn:se:lnu:diva-55603DOI: 10.12841/wood.1644-3985.149.01ISI: 000392473900008OAI: oai:DiVA.org:lnu-55603DiVA: diva2:953718
Available from: 2016-08-18 Created: 2016-08-17 Last updated: 2017-02-21Bibliographically approved

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Nilsson, DanielPettersson, RogerThörnqvist, Thomas
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CiteExportLink to record
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Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf