High Efficiency Adsorption and Removal of Selenate and Selenite from Water Using Metal–Organic Frameworks

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Abstract
A series of zirconium-based, metal–organic frameworks (MOFs) were tested for their ability to adsorb and remove selenate and selenite anions from aqueous solutions. MOFs were tested for adsorption capacity and uptake time at different concentrations. NU-1000 was shown to have the highest adsorption capacity, and fastest uptake rates for both selenate and selenite, of all zirconium-based MOFs studied here. Herein, the mechanism of selenate and selenite adsorption on NU-1000 is explored to determine the important features that make NU-1000 a superior adsorbent for this application.
Funding Information
  • Electric Power Research Institue (00-10002218)

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