METHOD FOR DEEP PROCESSING OF RAW HYDROCARBONS Russian patent published in 2022 - IPC C10G11/05 

FIELD: recycling.

SUBSTANCE: invention relates to the processing of raw hydrocarbons. Described is a method for deep processing of raw hydrocarbons by means of anhydrous deparaffinisation, hydrodeparaffinisation, and isodeparaffinisation on heterogeneous bifunctional zeolite-containing metal complex catalysts of vapour catalytic liquid-phase oxidative hydrocracking, wherein the raw hydrocarbons are supplied to two consecutive flow reactors connected by pipelines to each other and to heating, heat exchange, refrigeration, rectification, and stabilisation equipment: petroleum is supplied to the first reactor with a mass rate of 3.18 to 7.41 h^-1 at a temperature of 380 to 385°C, a pressure of 0.04 to 0.06 MPa, and heavy petroleum deparaffinisation agent is supplied to the second reactor from the still of the first reactor at a temperature of 435 to 443°C and a pressure of 0.06 to 0.08 MPa with a mass rate of 1.35 to 2.91 h^-1 in settings of simultaneous supply of superheated water vapour with a temperature of at least 450°C, a flow rate in the amount of 0.3 to 0.4 kg per kg of raw materials when petroleum is supplied to the first reactor, and when heavy petroleum deparaffinisation agent is supplied to the second reactor - 0.50 to 0.55 kg per kg of raw materials; the process is conducted in the flow mode on contact with heterogeneous bifunctional zeolite-containing metal complex catalysts of three types 1, 2, 3, containing: aluminosilicate zeolite ZSM-5, aluminium oxide at a ratio of 50:50, and, additionally, in the heterogeneous bifunctional zeolite-containing metal complex catalyst of types 1 and 2, metals of groups II, V and VIII; in the heterogeneous bifunctional zeolite-containing metal complex catalyst of type 3, metals of groups II, V, VI and VIII; and, additionally, promoters: in the heterogeneous bifunctional zeolite-containing metal complex catalyst of types 1 and 2, phosphorus oxide; in the heterogeneous bifunctional zeolite-containing metal complex catalyst of type 3, boron oxide; wherein said catalysts are located in three zones of the reactors along the entire height thereof in the form of separate layers.

EFFECT: increase in the output of light petroleum products to 86.7%.

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