Regeneration dynamics of the carboxyl cation exchanger with sulfuric acid in the mode of loosening its layer |
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| Authors: | A V Mamchenko I M Kosygina O A Savchenko |
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| Affiliation: | 1.Dumanskii Institute of Colloid and Water Chemistry,National Academy of Sciences of Ukraine,Kiev,Ukraine |
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| Abstract: | The paper presents the research results of the regeneration process of carboxylic cation exchanger Lewatit CNP 80, depleted
in water softening, by sulfuric acid in the mode of loosening its layer. It has been established that the theoretical model
of sorption intradiffusion dynamics adequately describes the regeneration process in this mode. The value of the effective
kinetic coefficient of internal mass transfer does not vary in an increase of the expansion of the layer and coincides with
this value in a dense layer. |
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