Calculation of prolonged high-temperature sublimation refining of a material consisting of spherical parts

We demonstrate the possibility of calculating the time-dependent vapor composition and impurity distribution in a condensate for a prolonged high-temperature sublimation of a model material consisting of spherical parts differing in size (and identical in initial composition). The calculation proced...

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Bibliographic Details
Published inInorganic materials Vol. 52; no. 6; pp. 637 - 642
Main Authors Kravchenko, A. I., Zhukov, A. I.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.06.2016
Subjects
Chemistry
Chemistry and Materials Science
Concentration (composition)
Condensates
Impurities
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
Mathematical analysis
Mathematical models
Sublimation
Time dependence
Vaporization
time dependence of vapor composition
impurity distribution in condensate
refining
sublimation
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Summary:We demonstrate the possibility of calculating the time-dependent vapor composition and impurity distribution in a condensate for a prolonged high-temperature sublimation of a model material consisting of spherical parts differing in size (and identical in initial composition). The calculation procedure is based on the use of distillation equations for a binary substance in a nonequilibrium vaporization process. It has been shown that the condensate obtained through the sublimation of such a material has an increased impurity concentration compared to the condensate obtained through the sublimation of a single sphere.
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ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168516060054