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INNOVA International, Inc. Cleans Up The Bleaching Process


Reengineering the Continuous Bleaching Process to Reduce Time and Environmental Impact

Textile wet processing continues to be scrutinized, especially its use and disposal of necessary chemicals. In an effort to make the textile supply chain more environmentally friendly, INNOVA International, Inc. recently developed a new concept in continuous bleaching. Tests at Cotton Incorporated indicate that the new procedure reduces the time, energy consumption and chemical impact of conventional bleaching, while yielding comparable results.

“Our testing shows that the INNOVA process reduces typical bleach processing time by 15 to 30 percent; and water consumption by 66 to 75 percent,” says Mike Tyndall, Cotton Incorporated Managing Director, Product Development and Implementation. “These improvements can be achieved using existing continuous bleaching machinery and require no additional capital expense for implementation.”

Angelo Rizzardi, President of INNOVA International, Inc. explains, “By using a combination of specialty chemistries and designing the processing sequence to be more efficient, it’s now possible to produce fabrics that are of comparable strength and whiteness to those made through more conventional methods. It not only takes less time, but takes less of a toll on the environment.”

The environmental benefits are numerous. Along with the potential for a 70-percent savings in water consumption, the process reduces the amount of chemistry used in continuous bleaching and, thus, reduces the amount of dissolved solids entering the waste stream. The efficiency gains in the process design denote a decrease in the number of steps needed to bleach fabric. Fewer steps minimize the opportunities for error and off-quality and make the entire process more efficient.

“At Cotton Incorporated, we are always interested in exploring new ways to make the cotton industry a better environmental citizen,” adds Tyndall. “The INNOVA process is definitely something we will make our mill clients aware of.”


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