Abstract
The results of single-stage, as well as two- and three-stage cross-current extraction of sulfurous and nitrogenous components, aromatic and unsaturated hydrocarbons from light catalytic cracking gas oil with mixtures of N-methylpyrrolidone with ethylene glycol composition 80/20, 70/30 and 60/40 wt. % are presented with a mass ratio of extragent : raw materials 1 : 1 and a temperature of 40 оC. The degree of extraction of sulfur compounds at the ethylene glycol content in the extractant is 30 wt. % as a result of single-stage extraction is 70 %, and with three-stage purification - about 90 %, the cetane index of raffinate increases by more than 13 and 19 points, respectively
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