Influence of the Ozonation of Coal Tar on Pitch Quality

Influence of the Ozonation of Coal Tar on Pitch Quality

The structure of coal tar pitch produced from industrial tar and pitch produced from tar modified by ozone is compared. The pitch structure is identified by standard analysis of pitch, IR and NMR spectroscopy, and elemental and thermogravimetric analysis. Modification of tar by ozone increases the y...

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Bibliographic Details
Published in:Coke and chemistry (New York, N.Y.) Vol. 67; no. 5; pp. 288 - 294
Main Authors: Gavrilyuk, O. M., Semenova, S. A., Malysheva, V. Yu, Nurmukhametov, D. R.
Format: Journal Article
Language:English
Published: Moscow Pleiades Publishing 2024
Springer Nature B.V
Subjects:
Chemistry
Chemistry and Materials Science
Coal tar
Industrial Chemistry/Chemical Engineering
Infrared spectroscopy
NMR spectroscopy
Ozone
Thermogravimetric analysis
Volatile compounds
ozonation
group composition
coal tar pitch
coal tar
chemical composition
softening temperature
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Summary:The structure of coal tar pitch produced from industrial tar and pitch produced from tar modified by ozone is compared. The pitch structure is identified by standard analysis of pitch, IR and NMR spectroscopy, and elemental and thermogravimetric analysis. Modification of tar by ozone increases the yield of pitch, its content of the α fraction, the yield of volatiles, and the softening temperature.
ISSN:1068-364X
1934-8398
DOI:10.3103/S1068364X24600520