METHOD FOR PRODUCING WINTER AND ARCTIC DIESEL FUELS FROM STRAIGHT-RUN DIESEL FRACTIONS WITH A SULFUR CONTENT OF UP TO 5000 MG/KG AND NITROGEN UP TO 200 MG/KG

摘要

FIELD: oil refining industry. ;SUBSTANCE: invention relates to the field of catalysis in oil refining. A method for producing winter and arctic diesel fuels from straight-run diesel fractions with a sulfur content of up to 5000 mg/kg and nitrogen up to 200 mg/kg is described, which provides for sequential processing of raw materials using a catalytic system, characterized by the fact that raw materials are processed by combining hydrotreating and isodeparaffinization processes without intermediate separation of products using a catalytic system that includes the following catalytic layers of catalysts in the direction of movement of raw materials: a catalyst for preliminary hydrotreating; hydrotreating catalyst containing, wt. %: nickel oxide 4.0-10.0, molybdenum oxide 15.0-25.0, phosphorus oxide 0.5-5.0, silicon oxide 1.0-10.0, Al2O3 being the rest; isodeparaffinization catalyst containing, wt. %: platinum 0.4-0.8, carrier being the rest, while the carrier contains: zeolite EU-2 30-80, γ-Al2O3 20-70; hydrofinishing catalyst. ;EFFECT: increase in the yield of the target product without deterioration of its quality. ;3 cl, 6 tbl, 5 ex