Ion exchange of alkaline earth and transition metal ions on fibrous acrylonitrile based cerium (IV) phosphate - a kinetic study

摘要

A kinetic study of the exchange of Mg(I), Ca(II), Sr(II), Ba(II), Mn(II), Co(II), Cu(II) and Zn(II) metal ions for H(I) ions on acrylonitrile based cerium (IV) phosphate, a fibrous inorganic ion exchanger, has been made. Various useful kinetic parameters such as self-diffusion coefficient (D-0), energy of activation (E-a) energy of activation (Delta S*) have been evaluated and a correlation has been made of these parameters with the ion exchange characteristics of the material. (C) 2000 Elsevier Science B.V. All rights reserved. [References: 13]