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STREP is transforming Europe’s textile industry by making circularity smart, scalable, and sustainable.
Through cutting-edge sorting technologies, AI-driven automation, and innovative recycling solutions, STREP ensures the right fibres go to the right recycling flow—maximizing material value and enabling a 100% closed-loop yarn made entirely from post-consumer waste.
By bridging design, traceability, and advanced processing, STREP boosts sustainability, competitiveness, and resource independence across the European textile value chain.
DISCOVER OUR KEY OBJECTIVES
Smart Sorting Technologies
Development of automated systems for detecting and removing hardware, prints, and contaminants (e.g., buttons, trims, dirt, dyes, toxic chemicals) using sensors, AI, and advanced imaging.
Goal:
Boost sorting efficiency by 29%, reduce costs by 22%, and cut manual labor by 50%.
Design for Recycling
Creation of guidelines and a material design matrix to support recycling-friendly textile product development.
Goal:
Ensure fabric combinations have 90% compatibility with recycling paths and enable >95% removal efficiency of accessories.
Advanced Recycling Technologies
Integration of mechanical and chemical recycling processes with real-time fibre length identification and AI-driven sorting adjustments. Development of sustainable yarn from post-consumer waste.
Goal:
Produce 100% post-consumer recycled yarn; enable enzyme, solvolysis, pyrolysis, and hydrothermal-based recycling of hard-to-reuse textiles.
STREP Innovations
AI + multi-sensor
(NIR, X-ray, machine vision)
system for full trim detection
Material database
+
assembly guidelines for
improved recyclability
Optimized dissolution
+
enzymatic
+
SCCO₂ processes.
Use AlphaFold/RFdiffusion to
design enzymes for more
efficient fibre separation.
Hydrothermal treatment of
short fibres into bio-crude
and biochar.
Traceability framework using durable textile-based RFID tags and blockchain technology to enable secure,
circular tracking of textiles.
Product passport and ontology-based marketplace for seamless,
standardised sharing of material availability and lifecycle data.
Advanced modelling and
decision-support tools for assessing and improving EoL textile supply chain efficiency, scalability, and sustainability.
Development of collaborative models and coordination mechanisms to enhance transparency and cooperation across the circular textile value chain.
These integrated solutions will collectively enable a more resilient, transparent,
and sustainable circular textile economy, contributing to the
EU’s Green Deal objectives and the transition to a resource-efficient future.
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Funded by the European Union. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or REA. Neither the European Union nor the granting authority can be held responsible for them.
