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Case study demonstrates a circular product-service framework for coffee capsule waste, highlighting that remanufacturing and consumer collection drive closed-loop supply chains.
Paper aims This paper proposes a conceptual model for a circular product service system (PSS-C) in the Brazilian coffee capsule chain, integrating requirements engineering and circular economy principles. Originality The research introduces a novel approach by employing the Requirements for Sustainable Product-Service Systems (R-PSS) method, combining tools from requirements engineering, design, innovation, and sustainability to address key challenges in the lifecycle of coffee capsules. Research method The study was conducted as a case study in a Brazilian startup specializing in managing packaging waste for a coffee manufacturer. It utilizes the R-PSS method to propose strategies for improving circularity in the capsule chain. Main findings The PSS-C conceptual model prioritizes strategies such as reducing material usage, implementing remanufacturing processes, and fostering consumer education for proper disposal. It emphasizes the critical role of consumers in achieving capsule circularity, including initiatives to expand collection points and promote environmentally responsible behaviors. Implications for theory and practice The findings contribute to the theoretical discourse on circular business models by demonstrating how the integration of product and service requirements can generate environmental value. Practically, the study offers insights into sustainable development, providing a foundation for further research in both theoretical and applied contexts.
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Lago et al. (2026) studied this question.
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