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Replacement of fossil-based activated carbons
RISE Research Institutes of Sweden, Bioeconomy and Health, Biorefinery and Energy. RISE Research Institutes of Sweden, Bioeconomy and Health, Material and Surface Design.ORCID iD: 0000-0002-4521-1122
RISE Research Institutes of Sweden, Bioeconomy and Health, Biorefinery and Energy.ORCID iD: 0000-0001-7681-0921
2022 (English)Report (Other academic)
Abstract [en]

Through our innovation, the product from a process that converts biowaste into a biofuel/biochar (HTC carbon) can be further refined into a bio-based high-value activated carbon and thus give the market an alternative to today's fossil activated carbon. When the bio-based activated carbon reaches the end of its life cycle, it is burned as a biofuel. This creates a carbon sink, which grows the more cycles the activated carbon is regenerated. When bio-based activated carbon gains market share from fossil activated carbon, the CO2 footprint decreases by about 10 tonnes of CO2/tonne of activated carbon. If all market shares worldwide are taken from fossil activated carbon, the CO2 footprint can be reduced by about 28 million tons/year. Different production methods to produce activated carbon from HTC carbon have been investigated within this project. One suitable method for producing activated carbon for gas applications and one for activated carbons for liquid applications have been developed. The properties of the produced qualities of activated carbon are not as good as the ones on the market today. However, there is potential for optimization so that an activated carbon with competitive quality can be produced from this renewable resource.

Place, publisher, year, edition, pages
2022. , p. 23
Series
RISE Rapport ; 2022:53
Keywords [en]
Biocoal, HTC coal, activated carbon, carbonization, renewable
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:ri:diva-58979ISBN: 978-91-89561-93-9 (electronic)OAI: oai:DiVA.org:ri-58979DiVA, id: diva2:1651308
Available from: 2022-04-11 Created: 2022-04-11 Last updated: 2023-05-09Bibliographically approved

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Li, JiebingArkell, Anders

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