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Theoretical Foundations of Chemical Engineering

, Volume 53, Issue 5, pp 719–724 | Cite as

Conditioning Heavy-Oxygen Water by Rectification under Vacuum

  • E. P. MagomedbekovEmail author
  • I. L. Selivanenko
  • N. N. Kulov
  • G. V. Veretennikova
Article
  • 2 Downloads

Abstract

An investigation into the distillation of heavy-oxygen water under vacuum has been performed. Conditions and parameters of the operation of distillation columns for the conditioning of heavy-oxygen water have been determined.

Keywords:

oxygen-18 heavy-oxygen water distillation 

Notes

FUNDING

This work was financially supported by the Russian Science Foundation (project no. 18-13-00475).

NOTATION

a

amount of oxygen in carbonate

b

amount of oxygen in water

с

concentration of oxygen-18 in the analyzed sample, %

\(c_{k}^{'}\)

measured concentration of oxygen-18 in carbon dioxide

I44, I46, I48

ionic current values for molecules with mass numbers 44, 46, and 48, respectively

k

gain factor

Р 1

absolute pressure of distillation, atm

Р 2

manometric pressure, atm

Т b

boiling point of liquid nitrogen, K

Т f

freezing point of carbon dioxide, K

V 1

vessel volume of distillation column, m3

V 2

upper cumulative volume of distillation column, m3

α

separation coefficient 18O–16O

SUBSCRIPTS AND SUPERSCRIPTS

1

vessel of distillation column

2

accumulating tank of distillation column

b

boiling

f

freezing

'k

oxygen-18

REFERENCES

  1. 1.
    Andreev, B.M., Magomedbekov, E.P., Raitman, A.A., Rozenkevich, M.B., Sakharovsky, Yu.A., and Khoroshilov, A.V., Separation of Isotopes of Biogenic Elements in Two-Phase Systems, Amsterdam: Elsevier, 2007.Google Scholar
  2. 2.
    Polevoi, A.S. and Polyanskii, M.N., in Sbornik dokladov 2-i Vserossiiskoi nauchnoi konferentsii “Fiziko-khimicheskie protsessy pri selektsii atomov i molekul” (Proc. 2nd All-Russian Scientific Conference “Physicochemical Processes in the Selection of Atoms and Molecules”), Moscow: TsNIIATOMINFORM, 1997, p. 111.Google Scholar
  3. 3.
    Li, Z. and Conti, P.S., Adv. Drug Delivery Rev., 2010, vol. 62, p. 1031.CrossRefGoogle Scholar
  4. 4.
    IMV Medical Information Division, PET imaging market summary report 2019. https://imvinfo.com/product/pet-imaging-market-summary-report-2019. Accessed April 20, 2019.Google Scholar
  5. 5.
    Zhavoronkova, K.N., Magomedbekov, E.P., Rastunova, I.L., Rozenkevich, M.B., and Cherednichenko, S.A., Fiziko-khimicheskie metody analiza izotopov i osobo chistykh veshchestv. Laboratornyi praktikum: uchebnoe posobie (Physicochemical Methods for Analysis of Isotopes and High-Purity Substances: A Textbook for Laboratory Work), Moscow: Ross. Khim.-Tekhnol. Univ. im. D.I. Mendeleeva, 2015.Google Scholar
  6. 6.
    Magomedbekov, E.P., Rastunova, I.L., Selivanenko, I.L., and Kulov, N.N., Distribution of heavy hydrogen and oxygen isotopes in water distillation, Theor. Found. Chem. Eng., 2019, vol. 53, no. 2, pp. 151–158.  https://doi.org/10.1134/S0040579519020118 CrossRefGoogle Scholar

Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • E. P. Magomedbekov
    • 1
    Email author
  • I. L. Selivanenko
    • 1
  • N. N. Kulov
    • 1
    • 2
  • G. V. Veretennikova
    • 1
  1. 1.Mendeleev University of Chemical Technology of RussiaMoscowRussia
  2. 2.Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of SciencesMoscowRussia

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