FIELD: process engineering.
SUBSTANCE: invention may be used in production of electrodes. Proposed process comprises heating of coal-tar pitch to over 150°C. Produced flow of liquid coal-tar pitch is subjected to irradiation with electron beam with radiation dose of 10-150 kGy.
EFFECT: increased content of α-fraction in pitch by 6-12%, higher amount of coke residue by 6-10%, higher density and longer life of graphite electrodes.
2 cl, 1 tbl, 1 ex
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Authors
Dates
2015-12-20—Published
2014-02-25—Filed