Re_SHOES - Shoes recycling Alex Marquoin, CETIA (France)

1. Moving towards
sustainability
through innovation

2. Re_SHOES – Shoes Recycling
CETIA
Marquoin, Alex
R&D Leader

3. Innovation platform dedicated to the recyclability of textile and leather goods
CETIA
DETECTION
DISMANTLING
IDENTIFICATION
PREPARATION
SORTING
Prototyping Demonstration Transfer
Textile Shoes Accessories

4. History of footwear at CETIA
2021 : Prototype
Upper - Sole separation
2020 : Study
Dismantling process
2022 - 2023 : Demonstration
Re_SHOES

5. Re_SHOES
7 Partners :
• Groupe ERAM
• Decathlon
• Zalando
• Luxury brand
• L’Atelier des Matières
• Revalorem
• ReFashion
Sorting cell
Cutting cell
Tearing up cell
Pilot line for soles dismantling
and sorting
Project funded by the New Aquitaine
Region (South-Ouest of France)
Budget : 1M€
Duration : 2022 – 2023

6. Tearing up cell
Operational since July 2023
Process :
➢ Heating shoes
➢ Gripping and tearing
➢ Unloading of uppers and soles
Speed : 4 shoes/min
Requirements :
➢ Glued assemblies with hot-melt adhesives
➢ Sole thickness : 15mm minimum
➢ Work in progress for other type of shoes

7. Sorting Cell
Operational since July 2023
Solution features :
➢ Top and bottom detection of the sole with NIR system
➢ Sorting in 10 different bins
➢ Adjustable category
PU
TPU
RUB
SBR
TPR
PVC
EVA
Detected Materials :

8. Cutting cell
Under manufacturing
Operational in November 2023
Process :
➢ AI trajectory
➢ Water jet cutting
➢ Unloading of uppers and soles
Speed : 2 shoes/min
Requirements :
➢ Every type of assembly
➢ Almost every type of shoes
➢ Excluded : security shoes, open shoes, high heels

9. CONTACT :
Marquoin, Alex
R&D Leader
alex.marquoin@cetia.tech
A solution towards circularity
Re_SHOES enables closed-loop recycling for
soles
Re_SHOES reintroduces material to the
market
Re_SHOES MAKES SHOE RECYCLING A REALITY
Re_SHOES creates material for recycling
Re_SHOES reduces CO2 emissions by
20% when manufacturing of a new shoe
LOCATION :
4 allée de l’Industrie
64700 Hendaye
FRANCE

10. THANK YOU FOR YOUR ATTENTION