Abstract
The Dutch drinking water sector is actively investigating methods to reduce arsenic (As) to <1 μg/L in drinking water supply. We investigated (1) the effectiveness of sequential permanganate (MnO4¯)ferric (Fe(III)) dosing during aerationrapid sand filtration to achieve <1 μg/L As (2) the influence of MnO4¯Fe(III) dosing on pre-established removal patterns of As(III),
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