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Virtual advice on wastewater treatment from Europe’s machine builders

Wastewater in the textile industry has been a much-talked issue for a long time. Leading machine builders have been producing top-notch machines to reduce and treat wastewater.

One of Europe’s top machine builder associations Germany’s VDMA held online webinars on prospects of the latest advanced technologies on 9 September in wastewater treatment.

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The newest THEN Smartflow TSF hydraulic high-temperature dyeing machine is designed to attain the lowest possible energy and water consumption.

Fong’s International, which celebrated the 100th anniversary of its THEN brand has lately presented two new machines with which noteworthy water savings can be made.

The company’s Head of Applied Technology Bertram Stetter said, “The key ways to reduce water and effluent in textile dying were to reduce all inputs to the minimum required with automatic dosing systems and to use yarn with less or no fiber linting.”

“High-quality auxiliaries and dyes with a high amount of active ingredients and high fixation rate and salt with a low amount of impurities when reactive dyeing is also vital,” Stetter added.

Dyeing machines attaining low liquor ratios can further increase savings.

The newest THEN Smartflow TSF hydraulic high-temperature dyeing machine is designed to attain the lowest possible energy and water consumption rates available on the market for jet dyeing.

Karl Hesse, Senior Project Engineer for Körting Hannover, presented remarkable costings for the savings to be made with Körting Hannover’s solutions for caustic recovery in the mercerisation process.

Recovering the lye solution after the treatment results in an 85% overall reduction of the total used, which in combination with the reduced use of hot water, steam, electricity, labor and hydrogen peroxide for cleaning equates to a payback time for the investment of just seven months.

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