Adsorption mechanism of Ca<sup>2+</sup>, Mg<sup>2+</sup>, Fe<sup>3+</sup>, and Al<sup>3+</sup> ions in phosphoric acid–nitric acid solution on 001 × 7 and S957 resins
Yingyuan Hu, Wenlong Zhang, Meizhao Xue, Rui Lv, Caimei Fan, Ao Li
Abstract
Under the influence of dihydrogen phosphate ions, Ca 2+ and Mg 2+ ions are adsorbed on the 001 × 7 resin through a sulfonic acid group, whereas Fe 3+ and Al 3+ ions are adsorbed on the S957 resin through a phosphonic acid group.
Topics & Concepts
Nitric acidPhosphoric acidChemistryAdsorptionIonInorganic chemistryNuclear chemistryPhosphateQualitative inorganic analysisPhysical chemistryOrganic chemistryChemical Synthesis and CharacterizationMembrane-based Ion Separation TechniquesRadioactive element chemistry and processing