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An open absorption ...
An open absorption system installed at a sawmill : Description of pilot plant used for timber and bio-fuel drying
- Article/chapterEnglish2000
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Numbers
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LIBRIS-ID:oai:DiVA.org:ltu-4739
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https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-4739URI
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https://doi.org/10.1016/S0360-5442(00)00026-8DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Validerad; 2000; 20070112 (cira)
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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
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Westerlund, LarsLuleå tekniska universitet,Energivetenskap(Swepub:ltu)lassew
(author)
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Luleå tekniska universitetEnergivetenskap
(creator_code:org_t)
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In:Energy25:11, s. 1067-10790360-54421873-6785
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