FIELD: metallurgy.
SUBSTANCE: raw material is heated in furnace at temperature 450°C-470°C, preferably, at temperature 455°C-465°C, and is supplied into coking chamber, wherein it is conditioned during 14-24 hours. Also ratio of re-circulation is not more, than 1.2. Upon completion of coking coke formed as coking additive is steamed, cooled and unloaded.
EFFECT: increased output of coke with high contents of volatile substances.
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