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GREENBAS

Sustainable Fibres from Basalt Mining

image of GREENBAS

The GREENBAS project is about the feasibility of producing continuous basalt fibres from Icelandic basalt. The project was made possible with support from NordMin, with the aim to develop the Nordic mining and mineral industry.Geological investigations by Iceland Geosurvey have resulted in insight into locations of the most ideal materials. Work at Innovation Centre Iceland (ICI) led to the definition of the basalt properties required. ICI also analysed the business conditions for a start-up factory. The involvement of JEI has ensured industrial relevance in tandem with the contribution of the University of Reykjavik team in gaining an understanding of the importance of applications in building materials.The involvement of SINTEF Norway and VTT Finland was crucial. They provided their expertise to analyse the life-cycle of basalt fibres and the feasibility and need of artificial external components. On basis of this project, a new phase can be started: the preparations for establishing a continuous basal fibre factory in Iceland.

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Innovation Center Iceland – ICI

The chemical composition and mineral content of basalt varies considerably. For applications such as tiles, stone castings or staple fibres, basalt with a wide range of properties can be used. However, for production of continuous basalt fibres (CBF), the requirements become much more stringent and only a narrow range of compositions can be used to make CBF [1–3]. With these strong requirements for composition and mineral content, the list of possible basalt mines in the world becomes very short [1, 3] Today, major manufacturers of CBF are known to use raw material from mines in western Ukraine or Georgia, consisting of andesitic basalts with SiO2 content more than 50wt% [4, 5].

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