Winners / 2023

Green Machine – using hydrothermal technology to separate and recycle polyester and cotton blend textiles

By: The Hong Kong Research Institute of Textiles and Apparel Limited (HKRITA)
Bronze

Master Category:

Award Category: Sustainability

Award Sub-Category: Circular Economy

Green Machine separate cotton-PET blended fibres with hydrothermal treatment. PET fibres are decoloured with crosslinked polystyrene beads and activated carbon particles for re-spinning. Cotton becomes cellulosic powders for applications including synthetic cellulosic yarn, PFC-free fabric finishing or superabsorbent polymer for cotton plantation.

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