Does the Rubber Meet the Road?
Assessing the Potential of Devulcanization Technologies for the Innovation of Tire Rubber Recycling
E.C. Roetman Roetman (Windesheim University of Applied Sciences, TU Delft - Design for Sustainability)
J.J. Joustra (TU Delft - Design for Sustainability)
Geert Heideman (Windesheim University of Applied Sciences)
R. Balkenende (TU Delft - Design for Sustainability)
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Abstract
Innovation is crucial to meet the circular economy goals for tire recycling. Devulcanization, an innovative recycling method of reprocessing tire rubber, offers a pathway towards achieving circular economy objectives. While previous research on devulcanization has primarily focused on technical aspects, this study shifts the focus towards identifying opportunities and barriers for innovation through devulcanization. This research utilizes the Technological Innovation System framework as a basis to analyze the dynamics of innovation within value chains and innovation networks. Across Europe, 36 organizations were identified that develop and utilize devulcanization to transform rubber from end-of-life tires into a valuable resource for new rubber products. In this study, a semi-structured in-depth interview approach was applied to interview 12 organizations that have developed or utilize technologies for the devulcanization of tire rubber. It was found that the development of various devulcanization approaches for diverse types of products has created opportunities for upscaling. To capitalize on these opportunities, organizations need to collaborate throughout the entire value chain of tire production and recycling. Achieving this collaboration requires interventions across the industry.
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