CO2 technology for dyeing


Super critical CO2 technology. Dye Textiles Without Water: The use of supercritical CO2 in textile dyeing is an environmentally friendly, sustainable alternative.


Instead of using an aqueous or solvent solution to "take-up" the dye, supercritical CO2 is used. The process proceeds in the same manner as the conventional method, but instead of sending the spent mix to the waste treatment facility, the supercritical CO2 /dye mix is depressurized. The CO2 changes to a gas and all the spent dye falls out and can be reused. In production systems the CO2 is recycled for providing for a completely closed systems and an entirely environmentally friendly approach to textile dyeing.

Possible replacement to

Conventional dyeing in water.

Applied Separations
Applied Separations
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