Abstract
AbstractA simple method to incorporate magnetite nanoparticles (Fe3O4 NPs) into cotton fiber for arsenic sorption is demonstrated. Choline acetate is utilized to simultaneously suspend Fe3O4 NPs while swelling the cotton fiber surface, allowing the incorporation of the Fe3O4 NPs in the fiber by dipping at 80 °C and washing with water. A 1:5 mass ratio Fe3O4 NPs:cotton fiber exhibits a tenfold increase in the sorption of As(V) when compared with raw cotton fiber. This method could be used to mass produce field‐deployable sorbents near polluted areas lacking water treatment infrastructure.
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