O. M. Gavrilyuk, S. A. Semenova, V. Yu. Malysheva, D. R. Nurmukhametov
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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 yield of pitch, its content of the α fraction, the yield of volatiles, and the softening temperature.
期刊介绍：
The journal publishes scientific developments and applications in the field of coal beneficiation and preparation for coking, coking processes, design of coking ovens and equipment, by-product recovery, automation of technological processes, ecology and economics. It also presents indispensable information on the scientific events devoted to thermal rectification, use of smokeless coal as an energy source, and manufacture of different liquid and solid chemical products.
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