You are here:
Avoiding Pitfalls When Modeling Removal of Per‐ and Polyfluoroalkyl Substances by Anion Exchange
Citation:
Haupert, L., J. Pressman, T. Speth, AND D. Wahman. Avoiding Pitfalls When Modeling Removal of Per‐ and Polyfluoroalkyl Substances by Anion Exchange. AWWA Water Science. John Wiley & Sons, Inc., Hoboken, NJ, 3(2):e1222, (2021). https://doi.org/10.1002/aws2.1222
Impact/Purpose:
This article focuses on those aspects that are important to using single–use (i.e., non–regenerable) gel anion exchange resins, as these are commonly being piloted in the United States for use in treatment of drinking water and remediation applications. Specifically, the following main points are addressed: (1) selection and application of multicomponent ion exchange isotherms, including considerations for competition from divalent ions such as sulfate; (2) the importance of mass transfer mechanisms for the kinetics of batch and column experiments; and (3) important gaps in tools and knowledge that, if resolved, would improve the effectiveness of ion exchange modeling.
Description:
This article focuses on those aspects that are important to using single–use (i.e., non–regenerable) gel anion exchange resins, as these are commonly being piloted in the United States for use in treatment of drinking water and remediation applications. Specifically, the following main points are addressed: (1) selection and application of multicomponent ion exchange isotherms, including considerations for competition from divalent ions such as sulfate; (2) the importance of mass transfer mechanisms for the kinetics of batch and column experiments; and (3) important gaps in tools and knowledge that, if resolved, would improve the effectiveness of ion exchange modeling.
URLs/Downloads:
DOI: Avoiding Pitfalls When Modeling Removal of Per‐ and Polyfluoroalkyl Substances by Anion Exchange
Free access through PubMed Central