DOWEX™ TAN-1 Resins Receive NSF/ANSI 61 Certification
Dow Water Solutions, a business unit of The Dow Chemical Company (Dow), announces that its DOWEX™ TAN-1 anion resins have been tested and certified by NSF International under NSF/ANSI Standard 61. NSF/ANSI 61 - Drinking Water System Components is a nationally recognized health effects standard for all devices, components and materials which contact drinking water to ensure that these products do not contribute contaminants or impurities to the water that could cause adverse health effects. The certification of DOWEX resins means it can now be used for the removal of organics from surface water sources being targeted for potable water.
“This certification is yet another example of Dow’s commitment to help deliver acceptable, safe, and high quality drinking water,” said Antonio Pavese, global marketing manager, Dow Water Solutions. “NSF 61 certification supports our belief in a more effective solution to the binding and removal of larger organics while offering more efficient regeneration and rinse downs through an open pore, macroporous, strong base anion resin for organic removal.”
DOWEX TAN-1 is a macroporous strong base anion resin with an open pore structure allowing for a more effective binding and removal of total organics, in conjunction with more efficient regeneration due to faster kinetics. The resin is well suited for use to bind and remove many larger organics like tannic acids or polyphenolics, which pass through simple ultrafiltration, sand filtration and other first-stage processing steps.
This is the same anion resin technology approved as compliant under FDA 21CFR173.25 Food Contacting Regulations for food contact, and can be applied to bind organics from process stream for flavor and color control. To learn more about DOWEX ion exchange resins visit www.dowwatersolutions.com.
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