Dependence of the Softening Temperature of Coal Pitch on the Conditions of Coal-Tar Distillation

The softening temperature of coal pitch obtained by coal-tar distillation is investigated as a function of three parameters: the rate of tar heating; the temperature of isothermal holding; and the holding temperature. A model in the form of a regression equation satisfactorily describes the dependen...

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Bibliographic Details
Published in:Coke and chemistry (New York, N.Y.) N.Y.), 2021-02, Vol.64 (2), p.73-79
Main Authors: Kozlov, A. P., Cherkasova, T. G., Subbotin, S. P., Solodov, V. S., Pimonov, A. G.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Coal tar
Distillation
Industrial Chemistry/Chemical Engineering
Parameters
Pitch (material)
Softening
Temperature dependence
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Summary:The softening temperature of coal pitch obtained by coal-tar distillation is investigated as a function of three parameters: the rate of tar heating; the temperature of isothermal holding; and the holding temperature. A model in the form of a regression equation satisfactorily describes the dependence of the pitch’s softening temperature on those parameters in tar distillation and may be used to predict the pitch characteristics.
ISSN:1068-364X
1934-8398
DOI:10.3103/S1068364X21020022