Patent ID: 7244359
Filing Date: 2007-07-17
Classification: B01J,C02F,Y02C,Y10S

Abstract:
1. A water decontamination process comprising: selecting sorbent material that binds anionic species predominantly through the formation of surface complexes, said sorbent material comprising a composition including formula (AB A is a divalent cation selected from the group consisting of Co B is a trivalent cation selected from the group consisting of Al X is an anion species selected from the group consisting of oxygen and sulfur, n is at least one, and decontaminating water by contacting said selected sorbent material with water containing anionic contaminants, the anionic contaminants selected from the group consisting of species including chromium and species including arsenic, said decontaminating substantially removing the anionic contaminants.