ARVOHIILI
Higher value added biochar and its value chains – ARVOHIILI
In ARVOHIILI project, biochar was studied to develop biochar based products with higher value.
Goals of the ARVOHIILI project
The main goal of the ARVOHIILI project was to diversify and strengthen the regional economy by creating new business opportunities and jobs, as well as by raising the level of expertise.
The innovation solutions related to the production and use of biochar will create business opportunities both for companies already located and for companies that are considering locating in the area.
What was done during the project?
As a result of the project, new raw material flows to produce biochar were found, the processing degree of the biochar was increased, new applications were found, and a market will be created for biochar products.
Biochar is more about a product group than an individual product, because the properties of biochar are influenced by, among other things, the raw material used, its pre-treatment, pyrolysis processing parameters and post-treatment. For this reason, the production of optimal biochar is a complex process, where several factors need to be addressed. The potential uses of biochar are also versatile, because the properties can be modified according to the needs set by applications. During the project, following applications were considered:
- Air filtering/cleaning
- Acoustics
- Circular economy based fertilizers and substrates
- Replacing fossil fuels
Different raw materials, such as willow, different wood based side streams and wastes originated in different industries, and plastic waste originated in agriculture and farming, were studied to define the suitable pyrolysis processing parameters to reach the required quality for each application. Different pre-treatment methods of materials were also tested and developed. During the project, guidelines for quality verification of the biochar production including required quality characteristics and recommended analysis and testing methods to be used.
News – The project has ended June 30th 2026.
During the project, biochar has been produced from different raw materials, such as willow and bark side streams originated in forest industry. The pyrolysis processing parameters have been tested with different materials, and these materials have been tested using different temperatures.
The biochar has been produced and analysed at Research Centre for bio and circular economy BioSampo. Among other things, the chemical composition has been studied with CHNS elemental analyzer, and the specific surface area with BET-analyzer. Samples have also been studied with Field Emission Scanning Electron Microscope (FE-SEM).
Growing experiments of different kinds of plants and biochar have been performed at BioSampo. Biochar was produced from different raw materials. The growing experiments continued during the summer.
More information
More information about the ARVOHIILI project available:
Jarmo Kilpeläinen (Project Manager)
p. 044 702 8914
jarmo.kilpelainen@xamk.fi
Articles
(In Finnish)
Pyrolyysi mahdollistaa materiaalien kierrätyksen kasvualustoihin (Huurtomaa, S. & Kokkonen, J. Xamk Read, Nro 1/2024). Available at:
Pyrolyysi mahdollistaa materiaalien kierrätyksen kasvualustoihin | READ Xamk
Biohiilen tuotantoprosessien vaikutus hiilen laatuun (Kokkonen, J., Teinilä, M. ja Kilpeläinen, J.), Available at: Metsä, ympäristö ja energia. Soveltavaa tutkimusta ja tuotekehitystä. Vuosijulkaisu 2024. Toim. Soininen, H., Haatanen, N. & Pulkkinen, L. Xamk kehittää 239. s. 306-323.
Permanent address of the annual publication 2024: https://urn.fi/URN:ISBN:978-952-344-595-6
Puhdas biohiili ei sisällä epäpuhtauksia (Kokkonen, J., Teinilä, M.). Available at: Kestävä kierto, vahva varautuminen. Kiertotalous, energia ja logistiikka -vahvuusalan vuosijulkaisu 2025, s. 112–118.
Katsaus biohiilen analytiikkaan (Karttaavi, T., Lindstén, S., Kilpeläinen, J., Veteläinen, M.). Available at: Kestävä kierto, vahva varautuminen. Kiertotalous, energia ja logistiikka -vahvuusalan vuosijulkaisu 2025, s. 119–136.
Biohiili komposiittimateriaalina (Kokkonen, J.). Available at: Kestävä kierto, vahva varautuminen. Kiertotalous, energia ja logistiikka -vahvuusalan vuosijulkaisu 2025, s. 137–142.
Permanent address of the annual publication 2025: https://urn.fi/URN:ISBN:978-952-344-641-0
Also:
Effects of Pyrolysis Parameters on the Properties of Willow Biochar and Activated Carbon. (Teinilä, M.) Accepted to be published in BioResources-journal.
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Higher value added biochar and its value chains – ARVOHIILI
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