Conclusions
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1.
The dynamics of sorption on a sorbent that contains a finely dispersed fraction as additive is a two-step process: the initial step is determined by the sorption on the finely dispersed additive, while the main step is determined by the sorption on the main fraction.
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2.
An approximate solution of the indicated problem is described employing a modification of the solution for a unary sorbent.
Literature cited
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 9, pp. 2102–2106, September, 1977.
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Venitsianov, E.V. Effect of adding a fine fraction of the sorbent in the case of the dynamics of sorption with an outer diffusion rate and a linear isotherm. Russ Chem Bull 26, 1946–1949 (1977). https://doi.org/10.1007/BF00924396
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DOI: https://doi.org/10.1007/BF00924396