METHOD OF PRODUCTION OF MOTOR PETROLS Russian patent published in 1995 - IPC

FIELD: petroleum chemistry. SUBSTANCE: petroleum with different content of sulfur is subjected to demineralization in electric dehydrators, the level of electrodes in which overlaps their height range in the upper half of the body, and the height gradient between the electrode levels on the path of petroleum ascending current equals 0.05 to 0.1 of the relative path section coinciding with the mean vector of petroleum current in the zone the maximum midsection of the electric dehydrator covered by the current during 1 hour of movement at an average process rate, then petroleum is subjected to distillation, including in the atmospheric column provided with packs of cross-flow nozzles. Petroleum is fed to the column through branch pipes tangentially arranged in the column body, in the feed zone. The latter is provided with an internal cylindrical current Deflector, whose diameter matches up with the body diameter as (0.59-0.75) to 1. The height range of the petroleum currents inlet equals 0.21 to 0.28 of the column height. Part of the stable petrol fraction is subjected to reforming. The reforming product is mixed with fractions obtained in the process stages. EFFECT: facilitated procedure. 53 cl, 1 tbl, 6 dwg