METHOD FOR OBTAINING OIL-COAL TAR PITCH Russian patent published in 2015 - IPC C10C1/16 

Abstract RU 2569355 C1

FIELD: chemistry.

SUBSTANCE: method for obtaining oil-coal tar pitch from resin includes resin distillation with obtaining non-distillable distillation residue. Obtained distillation residue is subjected to thermal exposure and oxidation with air oxygen to obtain pitch. As resin used is coal-oil resin, obtained in coking of mixture of coal charge with oil semi-coke with output of volatile substances from 14 to 25%, with content of oil semi-coke in coked mixture 10-15 wt %.

EFFECT: invention makes it possible to extend raw material base for obtaining oil-coke tar pitch, and simplify method of thereof obtaining.

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RU 2 569 355 C1

Authors

Andrejkov Evgenij Iosifovich

Krasnikova Ol'Ga Vasil'Evna

Dikovinkina Julija Aleksandrovna

Stukov Mikhail Ivanovich

Zagajnov Vladimir Semenovich

Mamaev Mikhail Vladimirovich

Bidilo Igor' Viktorovich

Duntsev Dmitrij Jur'Evich

Zorin Maksim Viktorovich

Kosogorov Sergej Aleksandrovich

Sukhov Sergej Vital'Evich

Valjavin Gennadij Georgievich

Zaporin Viktor Pavlovich

Dates

2015-11-20Published

2014-06-06Filed