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A specialised recycling system for mineral wool waste capable of transforming insulation residues into reusable raw materials. The process combines shredding, controlled binder removal, fibre purification and reintegration into insulation production lines.
The technology processes 20,000–30,000 tons of mineral wool waste annually with recovered fibre purity above 97% and binder removal efficiency exceeding 95%. Recovered outputs include clean mineral wool fibres and mineral granulates used in construction materials.
The solution is designed for integration into existing insulation manufacturing facilities and recycling operations. The system footprint ranges between 600 and 900 m².
The company provides implementation support, technical consulting and operational assistance for optimisation of recycling performance and process integration.
The solution complies with the EU Construction Products Regulation and Waste Framework Directive. It reduces the need for virgin mineral extraction by up to 80% and contributes to circular insulation production.
The technology is intended for insulation manufacturers and waste treatment operators handling glass and stone wool residues.
The recycling process enables significant reductions in landfill disposal and raw material consumption. Estimated ROI ranges from 6 to 9 years depending on operating conditions.
https://www.knaufinsulation.si
CAPEX: €6–9 million. OPEX: €25–40 per ton. Expected ROI: 6–9 years.
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