SHIP FUEL (EMBODIMENTS) Russian patent published in 2021 - IPC C10L1/04 C10L1/10 C10L1/19 

FIELD: chemistry.

SUBSTANCE: invention discloses ship fuel, including low-sulphur light gas oil of catalytic cracking or light gasoil of coking, hydrotreated diesel fraction and hydrotreated mixture of vacuum gas oil and heavy gas oil of coking with boiling temperature range of 300–520 °C in following ratio of components, wt. %: catalytic cracking light gas 10–40 or light coking gasoil 7–10, hydrotreated diesel fraction 10–43, hydrotreated mixture of vacuum gas oil and heavy gas oil of coking to 100, but not less than 50, after which a depressor-dispersant additive based on ethylene and vinyl acetate copolymers in amount of 0.05–0.1 wt. % is added to the produced fuel. Also disclosed is marine fuel, which includes low-sulphur light gas oil of catalytic cracking or mixture of low-sulphur light gasoil of catalytic cracking with light gas oil of coking in mass ratio 4:1 and hydrotreated mixture of vacuum gas oil and heavy gas oil of coking with boiling temperature range of 300–520 °C, with the following ratio of components, wt. %: low-sulphur light gas oil of catalytic cracking or mixture of low-sulphur light gasoil of catalytic cracking with light gas oil of coking in mass ratio 4:1 45–50, hydrotreated mixture of vacuum gas oil and heavy gas oil of coking to 100, after which a depressor-dispersant additive based on ethylene and vinyl acetate copolymers in amount of 0.05–0.1 wt. % is fed into the obtained fuel.

EFFECT: technical result is obtaining marine fuel with improved low-temperature properties and high environmental properties: flow temperature not higher than 0 °C in winter and not higher than 6 °C in summer and with sulphur content less than 0_1 % (according to GOST 32510-2013, grade RMB 30, sulphur content - Annex VI MARPOL 73/78).

2 cl, 6 ex