METHOD FOR OBTAINING LOW-SULPHUR OIL COKE Russian patent published in 2012 - IPC C10B55/00 

FIELD: oil and gas industry.

SUBSTANCE: low-sulphur oil coke obtaining method involves the following: preparation of coking raw material by mixing the initial raw material first with heavy gas oil of catalytic cracking in quantity of not less than 30% per initial raw material with further primary heating of the obtained raw material up to 280-320°C and enrichment with heavy coking gas oil fractions by introducing the recirculated substance of heavy coking gas oil from distillate products in quantity of not less than 30% per the obtained raw material mixture to the bottom of rectifying column and supply of the obtained mixture to the reactor after secondary heating up to coking temperature, which differs by the fact that as initial raw material there used is tar oil mixed with bitumen; at that, the bitumen content is not more than 30%.

EFFECT: method allows increasing the yield of low-sulphur oil coke due to new composition of initial raw material.

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