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Blending and Densification: Significance and Quality
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences (from 2013).ORCID iD: 0000-0003-0446-4251
United States Department of Agriculture, Agriculture Research Service, USA.
2023 (English)In: Densification Impact on Raw, Chemically and Thermally Pretreated Biomass: Physical Properties and Biofuels Production / [ed] Jaya Shankar Tumuluru, World Scientific, 2023, p. 73-107Chapter in book (Other academic)
Abstract [en]

Future pellet plants will need to be more flexible regarding the need to vary the feedstock species and increase the areas for biomass. By blending biomass species, pellets can be a solution that meets new desirable specifications for different conversion pathways, such as biochemical, thermochemical, and biopower. In this chapter, the authors address opportunities for blending and densification to homogenize the chemical composition of biomaterials and improve the potential for other processing and transformation methods. The advantages of blending biomasses are many: increasing the potential supply of biomass, creating new markets, reducing raw material costs, and improving biomass flow and pelletizing properties. Important densification parameters to keep in mind are highlighted, and five different studies are summarized; these include investigations from a single pellet press study to briquette applications. Some conclusions are that blending woody and herbaceous biomasses yields products with uniform product quality in terms of physical properties and chemical composition. Furthermore, blending pine and switchgrass yields a compressed product with higher density and durability while reducing energy consumption.

Place, publisher, year, edition, pages
World Scientific, 2023. p. 73-107
Series
Sustainable Chemistry Series, ISSN 2514-3042 ; 6
Keywords [en]
Biomass blends, feedstock cost, co-pelleting, co-briquetting, blend quality, press channel length, blend pellet and briquette quality
National Category
Bioenergy Energy Engineering Renewable Bioenergy Research
Research subject
Environmental and Energy Systems
Identifiers
URN: urn:nbn:se:kau:diva-96337DOI: 10.1142/9781800613799_0004Scopus ID: 2-s2.0-85166070074ISBN: 978-1-80061-378-2 (print)ISBN: 978-1-80061-380-5 (electronic)OAI: oai:DiVA.org:kau-96337DiVA, id: diva2:1787212
Available from: 2023-08-11 Created: 2023-08-11 Last updated: 2023-08-11Bibliographically approved

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Frodeson, Stefan

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