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SOME KINETIC MODELS OF THE SORPTION IRON (III) IONS ON THE SURFACE OF RIVER SAND FROM VIETNAM

The sorption of the Fe(III) ion on the surface of the sand was carried out in static mode at the room temperature. To describe the kinetic rule, models of zero, first, second and other oders are applied. It is shown that the pseudo-first- order model can be recommended for describing the process of sorption of iron (III) ions on river sand