Raphael Geiger

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About

Raphael Geiger is a leading researcher in sustainable materials management, with a primary focus on circular economy strategies for composite waste, particularly from end-of-life wind turbine blades. His most-cited work, "Composite wind turbine blade recycling - value creation through Industry 4.0 to enable circularity in repurposing of composites" (2020, 28 citations), pioneers a novel approach that leverages Industry 4.0 technologies—such as digital twins and automated sorting—to transform decommissioned turbine blades into valuable repurposed structures rather than landfill. Geiger’s key contribution lies in demonstrating that the inherent structural integrity of composite blades can be preserved and re-engineered for secondary applications, such as architectural components or infrastructure, thereby closing the material loop. His research addresses a critical global challenge: the projected massive influx of blade waste as renewable energy infrastructure ages. By integrating digitalization with material science, Geiger provides a scalable, economically viable pathway for composite circularity. His work has been influential in shaping industry practices and policy discussions around wind turbine blade recycling, earning recognition for its practical, real-world impact. Geiger’s research is essential reading for anyone interested in sustainable engineering, waste valorization, and the intersection of Industry 4.0 with environmental stewardship.