Prognostication of intensity of adsorption of strontium ions from liquid phase by modified clay minerals

Authors

  • Ігор Михайлович Петрушка National University "Lviv Polytechnic" Sq. St. Yura 3/4, Lviv, Ukraine, 79013, Ukraine
  • Мирослав Степанович Мальований National University "Lviv Polytechnic" Sq. St. Yura 3/4, Lviv, Ukraine, 79013, Ukraine
  • Оксана Григорівна Чайка National University "Lviv Polytechnic" Sq. St. Yura 3/4, Lviv, Ukraine, 79013, Ukraine
  • Сергій Павлович Стасевич National University "Lviv Polytechnic" Sq. St. Yura 3/4, Lviv, Ukraine, 79013, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2013.14592

Keywords:

modified bentonite, adsorbent, liquid radioactive wastes, Sr-90, external diffusion

Abstract

The article proposes a method of study of parameters of the mechanism of mass transfer adsorption of Sr-90 from liquid radioactive wastes by modified bentonites of Yazivsk deposits of sulfur on the basis of the theory of isotropic turbulence. The theory takes into account the hydrodynamic parameters of liquid system and solid phase dispersion, depending on the physico-chemical characteristics of liquid system, type of stirring device, geometrical sizes and number of turns of the mixer. In particular, we used a new approach to prognosticate the intensity of the external mass transfer adsorption, taking into account the diffusion coefficient in the solution of Wilkie and Chang based on the comparison of experimental and calculated values of the coefficients of mass output β.  Deviation of the results is adjusted by the correction coefficient that takes into account the ratio of the solid dispersion in the center of the system and near the walls of the device

Author Biographies

Ігор Михайлович Петрушка, National University "Lviv Polytechnic" Sq. St. Yura 3/4, Lviv, Ukraine, 79013

Doctor of Science in Technology

Department of Applied ecology and sustainable natural

Мирослав Степанович Мальований, National University "Lviv Polytechnic" Sq. St. Yura 3/4, Lviv, Ukraine, 79013

Doctor of Science in Technology

Department of Applied ecology and sustainable natural

Оксана Григорівна Чайка, National University "Lviv Polytechnic" Sq. St. Yura 3/4, Lviv, Ukraine, 79013

Ph.D.

Department of Applied ecology and sustainable natural

Сергій Павлович Стасевич, National University "Lviv Polytechnic" Sq. St. Yura 3/4, Lviv, Ukraine, 79013

Ph.D., docent

Department of Applied ecology and sustainable natural

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Published

2013-06-20

How to Cite

Петрушка, І. М., Мальований, М. С., Чайка, О. Г., & Стасевич, С. П. (2013). Prognostication of intensity of adsorption of strontium ions from liquid phase by modified clay minerals. Eastern-European Journal of Enterprise Technologies, 3(11(63), 30–34. https://doi.org/10.15587/1729-4061.2013.14592

Issue

Vol. 3 No. 11(63) (2013): Ecology

Section

Ecology

License

Copyright (c) 2014 Ігор Михайлович Петрушка, Мирослав Степанович Мальований, Оксана Григорівна Чайка, Сергій Павлович Стасевич

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