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The Potential for a Pellet Plant to Become a Biorefinery
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).ORCID iD: 0000-0003-0446-4251
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).ORCID iD: 0000-0002-9707-8896
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).ORCID iD: 0000-0003-2528-4399
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).ORCID iD: 0000-0002-0380-3533
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2019 (English)In: Processes, ISSN 2227-9717, E-ISSN 1099-5862, Vol. 7, no 4, p. 1-11, article id 233Article in journal (Refereed) Published
Abstract [en]

The use of bioenergy has increased globally in recent years, as has the utilization of biomaterials for various new product solutions through various biorefinery concepts. In this study, we introduce the concept of using a mechanical dewatering press in combination with thermal drying in a pellet plant. The purpose of the study is to increase the understanding of the effects a mechanical dewatering press has in a pellet production chain and investigate whether a pellet plant could thus become a biorefinery. The evaluations in this study are based on industrial data and initial tests at the university. The results show that the concept of using the mechanical dewatering press together with a packed moving bed dryer reduces energy use by 50%, compared to using only a packed moving bed dryer. The press water could be used as a raw material for biogas, bioplastics, and biohydrogen. Hence, this study points out the possibilities of a pellet plant increasing the efficiency of the drying step, while moving towards becoming a biorefinery.

Place, publisher, year, edition, pages
Basel: MDPI, 2019. Vol. 7, no 4, p. 1-11, article id 233
Keywords [en]
Energy efficiency, wood pellet production, drying, biorefinery, bioplastics, mechanical dewatering
National Category
Energy Systems
Research subject
Chemistry
Identifiers
URN: urn:nbn:se:kau:diva-72418DOI: 10.3390/pr7040233ISI: 000467771400056Scopus ID: 2-s2.0-85067518721OAI: oai:DiVA.org:kau-72418DiVA, id: diva2:1323062
Note

Funding: Swedish Agency for Economic and Regional Growth through the project FOSBE

Available from: 2019-06-11 Created: 2019-06-11 Last updated: 2019-07-10Bibliographically approved

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Frodeson, StefanBerghel, JonasStåhl, MagnusGranström, Karin

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