A Tennessee company is breaking down retired wind turbine blades instead of sending them to landfills, recovering glass fibre at 99.9% purity that can be reused in concrete, car panels and 3D-printing filament

Retired wind turbine blades are becoming a growing waste challenge as older turbines reach the end of their operating lives, but a Tennessee company is developing a way to recover valuable material from them instead of sending the blades to landfill. Carbon Rivers, a Knoxville-based advanced materials company, uses a heat-based process to separate glass fibre from the polymers and resins that hold turbine blades together.

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