Circular economy approaches for carbon fiber-reinforced polymers: recent advances in recycling, life cycle assessment, and high-value reuse

This project gives research direction and hands‑on help for studying circular‑economy options for carbon‑fiber‑reinforced polymers (CFRPs). Global CFRP waste is expected to grow a lot, so we need sustainable ways to handle it at the end of its life. We review and model three main recycling approaches: mild‑chemical solvolysis, hybrid thermal‑chemical processes, and new biological degradation methods. The framework walks students through comparing these methods in terms of fiber recovery rate, how well the mechanical properties are kept, and the energy used. We also set up a simple Life Cycle Assessment (LCA) so students can measure the environmental advantage of recycled carbon fibers versus producing new (virgin) fibers. By looking

at the variety of feedstock, the process conditions, and the system boundaries, the project points out realistic paths for reusing high‑value fibers in automotive, construction, and consumer‑goods products. The step‑by‑step guidance helps B.Tech students build a full material‑flow model and an environmental impact assessment, linking lab‑scale recycling chemistry to the feasibility of industrial‑scale waste management.

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