The project aims to develop a novel mehanical method to conduct separation of denim fabric without the use of water or chemicals and recover the warp and weft yarns and fibers. After separating the warp yarn from the weft yarn, the indigo-dyed warp yarn and weft yarn can be recovered and recycled.
Denim recycling has been in demand by the industry. While denim generally are woven fabrics that consist of indigo-dyed yarns, recycling purely the indigo-dyed warp yarns can reduce water and energy consumptions in producing indigo dyed-yarns.
Established in 2006, The Hong Kong Research Institute of Textiles and Apparel (HKRITA) is funded by the Innovation and Technology Commission of the HKSAR government, and hosted by The Hong Kong Polytechnic University.
HKRITA has achieved research deliverables over the years around our research clusters targeting in sustainability, industry advancement and social benefits through our centre-owned research teams and laboratories as well as collaborations with industry partners and institutions.