Monthly Archives: December 2020
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December 21, 2020Thin film track etched membranes, commonly referred to as polycarbonate (PCTE) and polyester (PET) filters, feature a unique pore structure and optical clarity unlike most filters. A complex, two step manufacturing process involving ion bombardment of the film followed by a chemical bath results in this attractive membrane exhibiting a smooth surface interrupted with the appearance of wrinkles, or rather waves, which may be concerning to first time users.
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December 21, 2020
Sterlitech will be closed December 24, 25, 31, and January 1st for the holidays.
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December 21, 2020
Knotty & Nice: New ways to treat textile wastewater
While holiday parties will be virtual this year, holiday sweaters in all their glittered, sometimes sequined, and knit glory are still making their annual appearance. Textile manufacturing is a multibillion dollar global industry, and novelty products like holiday sweaters comprise a significant market in the United States. We rely on textile products in our holiday sweaters, carpets, furniture, bedding, cars, hospitals, and more. In the United States alone, the textile market is projected to increase by 4.3% over the next seven years (1), which will lead to an increase in production waste as well. Wastewater from textile plants includes dyes, dispersants, and fixatives, or levelling agents, many of which are not biodegradable (2). In addition, dying is an inefficient process and high concentrations of textile dye never make it into the fabric. Removing the excess dye from waste water through various recycling methods is a current hot
