FIELD: oil and gas industry.
SUBSTANCE: invention relates to a method for black oil fuel refinery, including catalytic cracking of raw materials at a temperature above 370°C using an iron-containing catalyst. Iron-manganese milled nodules, containing (4.5-15.0%) of iron wt, (8.0-28.0)% wt of manganese, and (7.0-9.0)% wt of silicon, with a particle size of 1-100 mcm, taken in an amount of 0.001-1.0% by weight, are used as the iron-containing catalyst.
EFFECT: method allows to regulate conversion and to change the ratio of the obtained light cracking products, as well as to obtain the bottoms liquid of low ash, which can be used as residual oil without further refinery.
3 cl, 2 tbl, 7 ex
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