Achieving arsenic concentrations of

C. M. van Genuchten*, T. Behrends, S. L.S. Stipp, K. Dideriksen

*Corresponding author for this work

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Abstract

Consumption of drinking water containing arsenic at concentrations even below the World Health Organization provisional limit of 10 μg/L can still lead to unacceptable health risks. Consequently, the drinking water sector in the Netherlands has recently agreed to target 1 μg/L of arsenic in treated water. Unfortunately, in many poor, arsenic-affected countries, the costs and complexity of current methods that can achieve 1 μg/L. As K-edge X-ray absorption spectroscopy showed that Mag also sorbed arsenic in a unique mode, consistent with partial arsenic incorporation near the particle surface. This sorption mode contrasts with the binuclear, corner sharing surface complex for GR and Fe(III) oxides, which could explain the difference in arsenic removal efficiency among the three Fe phases. Our results suggest that EC-generated Mag is an attractive method for achieving
Original languageEnglish
Article number115170
JournalWater Research
Volume168
Number of pages1
ISSN0043-1354
DOIs
Publication statusPublished - 2020

Keywords

  • Electrocoagulation
  • EXAFS spectroscopy
  • Arsenic treatment
  • Mineral formation
  • Oxyanion incorporation

Cite this

van Genuchten, C. M., Behrends, T., Stipp, S. L. S., & Dideriksen, K. (2020). Achieving arsenic concentrations of. Water Research, 168, [115170]. https://doi.org/10.1016/j.watres.2019.115170