NALA Membranes is a North Carolina company commercializing chlorine-stable sulfonated polysulfone membranes for reverse osmosis and nanofiltration. Founded in 2018 by Judy Riffle, Ph.D., and Sue Mecham, Ph.D., its membranes resist the biofouling and chemical degradation that drive cost and complexity in conventional water treatment, enabling reliable water reuse across water-intensive industries.

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