Fashion

Textile Dyeing without Water or Waste

Employing supercritical fluids technology in textile dyeing has the potential to revolutionize the textile industry. This waterless solution not only conserves a valuable and diminishing resource, it also uses less energy than traditional water-based textile dyeing.

Applied separations is excited to help reinvent the textile industry. Green is not just a colour.

Rolf SchalkePresident and CEO, Applied Separations Inc

Rather than using aqueous or solvent solutions, Applied Separations’ technology uses supercritical CO2 to take up the dye, which replaces water completely. And instead of sending the spent mix to waste-treatment facilities or into rivers and lakes, as is sometimes done in less-developed production facilities, the dye-mix can be captured and reused. The CO2 for the process is taken from the environment and returned to it, creating no pollution or extra greenhouse gas emissions.

Why you should care

The textile industry is a major consumer of water, where a dye to water ratio of 1:30 is common. Applied Separations’ supercritical fluids technology is viable and they offer three supercritical fluid solutions depending on the size of production.

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