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Energy efficiency, greenhouse gas emissions and durability when using additives in the wood fuel pellet chain
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för ingenjörs- och kemivetenskaper (from 2013).ORCID-id: 0000-0003-2528-4399
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för ingenjörs- och kemivetenskaper (from 2013).ORCID-id: 0000-0002-9707-8896
Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), Institutionen för ingenjörs- och kemivetenskaper (from 2013).ORCID-id: 0000-0001-6469-9947
2016 (Engelska)Ingår i: Fuel processing technology, ISSN 0378-3820, E-ISSN 1873-7188, Vol. 152, s. 350-355Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The use of renewable resources for bioenergy should be performed to support sustainable development. Since the use of bioenergy has increased significantly worldwide in recent years and biomass is made of limited resources it must be used efficiently and with a low environmental impact The wood fuel pellet industry has the possibility to meet these criteria; however, it also has the potential for improvements. This work investigates how the additives, cornstarch and molasses, affect: the electricity consumption of the pellet press, the emission of Carbon dioxide equivalents (CO2 eq.) from the production of wood fuel pellets in three different countries with different emissions from electricity, the durability of the pellets and its effects on energy efficiency. The results show that pellet production is more energy efficient when additives are used, and that the amount of CO2 eq. increases with an increased use of additives. In countries with a low usage of fossil fuels for electricity production, the global warming impact gets higher due to the additives; while in countries that use a lot of fossil fuels to produce electricity, the global warming impact will be reduced because of the additives by up to 1%. The increased global warming impact from the additives can be balanced by the decrease in the reduced amount of rejected material within the production. That is because the durability of the pellets increases with an increasing amount of additive.

Ort, förlag, år, upplaga, sidor
Elsevier, 2016. Vol. 152, s. 350-355
Nyckelord [en]
Pellet production, Additive, Energy use, Carbon dioxide equivalents, Durability
Nationell ämneskategori
Naturresursteknik
Forskningsämne
Miljö- och energisystem
Identifikatorer
URN: urn:nbn:se:kau:diva-46421DOI: 10.1016/j.fuproc.2016.06.031ISI: 000381950200039OAI: oai:DiVA.org:kau-46421DiVA, id: diva2:1033604
Tillgänglig från: 2016-10-07 Skapad: 2016-10-07 Senast uppdaterad: 2019-09-20Bibliografiskt granskad

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Ståhl, MagnusBerghel, JonasWilliams, Helén

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Totalt: 168 träffar
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