METHOD OF PRODUCING ECOLOGICALLY CLEAN LIQUID ROCKET FUEL Russian patent published in 2016 - IPC C10L1/04 C10G65/10 

FIELD: fuel.

SUBSTANCE: invention relates to production of rocket fuel from kerosene-gas oil cuts hydrogenation from hydro-cracking of petroleum asphalt residues of sulphur and high-sulfur oils. According to method asphalt-free oil is subjected to two-stage hydrocracking in reactors with ascending flow of combined feed and a fixed layer of aluminium-cobalt-molybdenum catalyst at pressure of 15 MPa, temperature of 400-420 °C, volume rate of raw material supply of 0.5 h^-1, hydrogen-containing gas circulation of 1,000 m³/(m³/s) with intermediate fractionation of hydrogenation product of first stage at temperature of 180-350 °C and further extraction of target fraction at temperature of 180-290 °C, which is repeatedly hydrocracked in second reactor under same conditions with subsequent stabilisation of target fraction of 180-290 °C hydrogenation product in fractionation column.

EFFECT: invention ensures production of ecologically clean rocket fuel with ultralow sulphur content and minimum content of polycyclic aromatic hydrocarbons from available raw material base.

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