Green Machine — using hydrothermal technology to separate and recycle polyester and cotton blends
Category: Process/Prototyping
Developers: The Hong Kong Research Institute of Textiles and Apparel Limited (HKRITA)
Hong Kong
Product Description:Green Machine uses HKRITA’s hydrothermal technology to separate PET-cotton blended textile fibres and decolour the PET fibre with crosslinked polystyrene beads and activated carbon particles for re-spinning into new yarn. Cotton are turned into cellulosic powders to produce new yarn, PFC-free water-repellent textile finishing or superabsorbent polymer for cotton plantation.
Developers: The Hong Kong Research Institute of Textiles and Apparel Limited (HKRITA)
Hong Kong
Product Description:Green Machine uses HKRITA’s hydrothermal technology to separate PET-cotton blended textile fibres and decolour the PET fibre with crosslinked polystyrene beads and activated carbon particles for re-spinning into new yarn. Cotton are turned into cellulosic powders to produce new yarn, PFC-free water-repellent textile finishing or superabsorbent polymer for cotton plantation.

Green Machine in PT Kahatex, Indonesia