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Ion exchange resins are well known and established in the treatment of groundwater and potable water for removal of a number of contaminants. Specialized anion resins, in particular, are currently used to remove nitrate, chromium VI, perchlorate, uranium, TOC and arsenic from millions (if not billions) of gallons of drinking water each day.
The latest development in this market is Purolite's Purofine® PFA694E, a PFAS-selective anion resin for single-use systems (non-regenerable).
While granular activated carbon (GAC) was the best immediate technology available when PFAS first became a concern, there is now extensive lab-, pilot- and full-scale data indicating that Purofine PFA694E resin provides the most effective removal and best cost performance for PFAS treatment.
Purolite's Purofine PFA694E is effective for treating all types of source water, including ground water, surface water, waste effluent, stormwater, landfill leachate and industrial plant effluent— and lowers the operational costs per 1,000 gallons of water treated.
Advantages of Purofine PFA694E resin include:
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