Surface defects enhance the adsorption affinity and selectivity of Mg(OH)2towards As(v) and Cr(vi) oxyanions: a combined theoretical and experimental study

The surface defects of Mg(OH)₂adsorbent show high adsorption affinity and selectivity for heavy metal oxyanions from wastewater, and surface defects fabrication is proved to be an efficient strategy for extracting heavy metal oxyanions at low concentration.