GRAPHOANALYTICAL ESTIMATE OF THE DYNAMIC CAPACITY OF GLAUCONITE IN THE JOINT SORPTION OF THE CU (II), NI (II), ZN (II) Сu(II), Ni(II), Zn(II) CATIONS

  • V. I. Vigdorovich Dr. Sci. (Chem.), Professor, Academician of the Russian Academy of Natural Sciences, Honored Worker of Science and Technology of the Russian Federation, Chief Scientifi c Offi cer of VNIITiN, Professor of Tambov State Technical University in combination; tel./fax: +7(4752) 446414, e-mail: vits21@mail.ru
  • T. V. Zhukovskaia Cand. Sci. (Phys.-Math), Associate Professor of the Higher Mathematics Department of Tambov State Technical University; tel.: +7(960) 6674147
  • L. E. Tsygankova Dr. Sci. (Chem.), Professor, Academician of the Russian Academy of Natural Sciences, Head of the Department of Chemistry and Ecological Safety, Tambov State University named after G.R. Derzhavin; tel.: +7(902) 7276258, e-mail: vits21@mail.ru
  • M. N. Uryadnikova Cand. Sci. (Chem.), Senior Lecturer of the Department of Chemistry and Environmental Safety, Tambov State University named after G. R. Derzhavin; tel.: +7(910) 6567866, e-mail: esinamarisha@ rambler.ru
  • N. V. Shel Dr. Sci. (Chem.), Professor of the Department «Chemistry and Chemical Technologies», Tambov State Technical University: tel.: +7(910) 6549099, e-mail: vits21@mail.ru
DOI: https://doi.org/10.17308/kcmf.2018.20/474
Keywords: glauconite, stream, sorption, copper, nickel, zinc, dynamic capacity, calculation

Abstract

The paper proposes a calculation method to estimate the amount of adsorbate substance (N) and the dynamic capacity of the sorbent (Q) under the conditions of purification from pollutants of flowing solutions. The considered approaches are valid for using sorbents and removing sorbates of any nature from flowing media, regardless of the volume flow rates of the eluate under laminar flow conditions.

The method is based on the use of β-spline curves and is based on the properties of geometric continuity used in solving problems of geometric modelling by means of cubic polynomials. It allows:

- calculating the values of the dynamic capacity Q at any time from the beginning of the sorption in the absence of an experimental estimate of the sorption coefficient ρτi

- evaluating the calculated time of continuous operation of the sorbent until its replacement or regeneration.

At room temperature, glauconite Qi values were obtained for Cu (II), Ni (II), Zn (II) cations at joint sorption as a function of the nature of the adsorbate with the account of the height of the adsorbate, the linear flow rate, and the arbitrary time interval from the beginning of the process. The relative sorption capacity of cations depending on the same factors was evaluated. It is shown that as the flow rate increases the dynamic capacity of the sorbent increases in the series:

QNi(II) > QZn(II) > QСu(II)

 

ACKNOWLEDGMENTS

 

The results of the experiment were obtained using the equipment of Shared Scientific Equipment Centre of Derzhavin Tambov State University.

 

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Published
2018-03-06
How to Cite
Vigdorovich, V. I., Zhukovskaia, T. V., Tsygankova, L. E., Uryadnikova, M. N., & Shel, N. V. (2018). GRAPHOANALYTICAL ESTIMATE OF THE DYNAMIC CAPACITY OF GLAUCONITE IN THE JOINT SORPTION OF THE CU (II), NI (II), ZN (II) Сu(II), Ni(II), Zn(II) CATIONS. Kondensirovannye Sredy I Mezhfaznye Granitsy = Condensed Matter and Interphases, 20(1), 32-41. https://doi.org/10.17308/kcmf.2018.20/474
Issue
Vol 20 No 1 (2018)
Section
Статьи
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