Abstract
All general effects of ion exchange kinetics can be considered within the framework of a nonlinear phenomenological diffusional model. According to the model, the dependence of intraparticle diffusivity D on the concentration of sorbed (desorbed) ion a is unknown beforehand and, in general, it should be determined from the experiments by solving the so-called inverse problem. Hence, the work considered some important features of this model relating to the sorption–desorption processes.
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Original Russian Text © A.N. Gruzdeva, R.Kh. Khamizov, P.P. Zolotarev, 2015, published in Fizikokhimiya Poverkhnosti i Zashchita Materialov, 2015, Vol. 51, No. 6, pp. 572–576.
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Gruzdeva, A.N., Khamizov, R.K. & Zolotarev, P.P. Description of intraparticle diffusional sorption and desorption processes in ion-exchange sorbents. Prot Met Phys Chem Surf 51, 929–933 (2015). https://doi.org/10.1134/S2070205115060106
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DOI: https://doi.org/10.1134/S2070205115060106