H&M trials supercritical CO2 dyeing at Arvind
27/02/2024
The technology requires no reduction clearing for polyester, uses no salt for cotton, improves overall dye utilisation, follows single bath dyeing of textile blends and uses up to 90% lesser auxiliary chemicals, according to Deven.
Initial tests have shown promising results in energy, water and chemical use reduction, said the companies.
Omang Narang, country manager for H&M in India, said: “Supporting and investing in new technologies like this play a key part in finding scalable solutions to help us in our goals to reduce by 56% our greenhouse gas emissions and to reduce by 30% the freshwater extraction and consumption in our supply chain by 2030. This partnership is a great example of how we can move the needle thanks to our long-term relationships with suppliers and innovators who share our values and climate ambitions.”
Dr Swapneshu Baser, managing director of Deven Supercriticals, added: “We are very grateful to H&M Group and Arvind, for this groundbreaking collaboration towards the implementation of our innovative, waterless dyeing and finishing technology on a commercial scale. Suprauno is an internationally patented technology that allows waterless dyeing of various natural and man-made textiles as well as their blends, using conventional dyes and their tri-chrome recipes. This results in saving not only water and energy but also hazardous chemicals, thus effectively preserving the environment and health.”
Punit Lalbhai, vice-chairman at Arvind, added: “By joining forces with brands and innovators, we exemplify the collective effort needed to tackle the climate crisis. Together, we weave a future where fashion and sustainability coexist seamlessly, setting a new standard for the industry.”
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