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An open absorption system installed at a sawmill: Description of pilot plant used for timber and bio-fuel drying
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.
2000 (English)In: Energy, ISSN 0360-5442, E-ISSN 1873-6785, Vol. 25, no 11, p. 1067-1079Article in journal (Refereed) Published
Abstract [en]

This work describes a pilot plant and its different parts in a system used for bio-fuel drying and timber drying with an open absorption process. This technique has not been used previously in Sweden in this application. The open absorption system has been installed on four timber dryers and one bio-fuel dryer at a sawmill located in the northern part of Sweden. The annual energy demand for the dryers has decreased considerably. The specific heat demand for a conventional drying system is about 5970 kJ/kg of evaporated water. For the open absorption system, the corresponding value is a heat demand of approximately 1400 kJ/kg of evaporated water. At the same time, an additional 360 kJ/kg of electricity has to be supplied. Here, 45,000 m3 per year of dried bio-fuel has been sold on the market as a result of the decreased heat demand in the wood dryers at the sawmill. The plant has been working well and has had a high availability. The pay-off time for the investment will be approximately 3 years for nondiscounted cash-flows

Place, publisher, year, edition, pages
2000. Vol. 25, no 11, p. 1067-1079
National Category
Energy Engineering
Research subject
Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-4739DOI: 10.1016/S0360-5442(00)00026-8ISI: 000165355900003Scopus ID: 2-s2.0-0034324754Local ID: 2baf13b0-bb55-11db-b560-000ea68e967bOAI: oai:DiVA.org:ltu-4739DiVA, id: diva2:977613
Note
Validerad; 2000; 20070112 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Johansson, LarsWesterlund, Lars

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CiteExportLink to record
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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
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