Sieving and Covering of Wood Chips Improves Storability

Minimising dry matter losses during storage of comminuted forest fuels is desirable from both an economic and a sustainability perspective. This study examined fuel quality and amount of recovered energy during the storage of forest wood chips stored at full industrial scale at three locations, and...

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Main Authors: Erik Anerud, Dan Bergström, Johanna Routa, Lars Eliasson
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/15/8/2953
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author Erik Anerud
Dan Bergström
Johanna Routa
Lars Eliasson
author_facet Erik Anerud
Dan Bergström
Johanna Routa
Lars Eliasson
author_sort Erik Anerud
collection DOAJ
description Minimising dry matter losses during storage of comminuted forest fuels is desirable from both an economic and a sustainability perspective. This study examined fuel quality and amount of recovered energy during the storage of forest wood chips stored at full industrial scale at three locations, and the effect of sieving and covering piles with a water-resistant, vapour-permeable fabric. Sieving wood chips before storage, that is, reducing the number of fines smaller than 8 mm, reduced the cumulative dry matter losses to <2%, while cumulative dry matter losses after storage for 4–6 months using current practices, that is, unsieved and uncovered, reached 10.6%. The combined effect of storage management led to a value loss of 11.5%, while both covering and sieving led to lower losses, with the combination of sieving and covering giving a 1.3% value increase, and thus, increased storability.
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spelling doaj.art-f301e62c3ff74e3a85699f3138db7b702023-12-01T20:50:56ZengMDPI AGEnergies1996-10732022-04-01158295310.3390/en15082953Sieving and Covering of Wood Chips Improves StorabilityErik Anerud0Dan Bergström1Johanna Routa2Lars Eliasson3Department of Forest Biomaterials and Technology, Swedish University of Agricultural Science, Forest Biomaterials and Technology, SE-901-83 Umeå, SwedenDepartment of Forest Biomaterials and Technology, Swedish University of Agricultural Science, Forest Biomaterials and Technology, SE-901-83 Umeå, SwedenNatural Resources Institute Finland (Luke), Yliopistokatu 6B, 80100 Joensuu, FinlandThe Forestry Research Institute of Sweden, Uppsala Science Park, SE-751-83 Uppsala, SwedenMinimising dry matter losses during storage of comminuted forest fuels is desirable from both an economic and a sustainability perspective. This study examined fuel quality and amount of recovered energy during the storage of forest wood chips stored at full industrial scale at three locations, and the effect of sieving and covering piles with a water-resistant, vapour-permeable fabric. Sieving wood chips before storage, that is, reducing the number of fines smaller than 8 mm, reduced the cumulative dry matter losses to <2%, while cumulative dry matter losses after storage for 4–6 months using current practices, that is, unsieved and uncovered, reached 10.6%. The combined effect of storage management led to a value loss of 11.5%, while both covering and sieving led to lower losses, with the combination of sieving and covering giving a 1.3% value increase, and thus, increased storability.https://www.mdpi.com/1996-1073/15/8/2953dry matter lossforest fuelfuel qualitymoisture content
spellingShingle Erik Anerud
Dan Bergström
Johanna Routa
Lars Eliasson
Sieving and Covering of Wood Chips Improves Storability
Energies
dry matter loss
forest fuel
fuel quality
moisture content
title Sieving and Covering of Wood Chips Improves Storability
title_full Sieving and Covering of Wood Chips Improves Storability
title_fullStr Sieving and Covering of Wood Chips Improves Storability
title_full_unstemmed Sieving and Covering of Wood Chips Improves Storability
title_short Sieving and Covering of Wood Chips Improves Storability
title_sort sieving and covering of wood chips improves storability
topic dry matter loss
forest fuel
fuel quality
moisture content
url https://www.mdpi.com/1996-1073/15/8/2953
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