The researches of the processes of a desorption from the calcinated synthetic anionic clays

Authors

  • Елеонора Олегівна Бутенко Azov State Technical University Str. Varsity, 7, Mariupol, Ukraine, 87500, Ukraine
  • Олексій Євгенович Капустін Azov State Technical University Str. Varsity, 7, Mariupol, Ukraine, 87500, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2013.12278

Keywords:

Synthetic anion clays, sorption, spinels, thermal researches

Abstract

The Layered Double Hydroxides (LDH) can occlude pollutants as on the mechanism of physical sorption, so on the ion-exchange mechanism. However, in both cases course of process of the return desorption of toxic components after their burial is possible. For prevention of process of the return desorption the fulfilled LDH can be subjected to heat treatment at high temperatures that leads to formation of spinels. The structure of the layered double hydroxides was calcinated at temperatures below 500 ° C, completely is restored at interaction with water, and at temperatures of heat treatment of sorbents higher than 600 ° C process of adsorption is irreversible, the hydroxide structure isn't restored, process of a desorption of sorbed components in environment doesn't happen

Author Biographies

Елеонора Олегівна Бутенко, Azov State Technical University Str. Varsity, 7, Mariupol, Ukraine, 87500

PhD, Researcher

Department of Chemistry

Олексій Євгенович Капустін, Azov State Technical University Str. Varsity, 7, Mariupol, Ukraine, 87500

Doctor of Science, Head. Department

Department of Chemistry

References

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Published

2013-04-25

How to Cite

Бутенко, Е. О., & Капустін, О. Є. (2013). The researches of the processes of a desorption from the calcinated synthetic anionic clays. Eastern-European Journal of Enterprise Technologies, 2(6(62), 59–61. https://doi.org/10.15587/1729-4061.2013.12278

Issue

Vol. 2 No. 6(62) (2013): Technologies of organic and inorganic substances

Section

Technology organic and inorganic substances

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Copyright (c) 2014 Елеонора Олегівна Бутенко, Олексій Євгенович Капустін

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