FIELD: petroleum processing. SUBSTANCE: aromatic hydrocarbons and organosulfur compounds are removed from hydrofined diesel fraction via multistage countercurrent extraction at 30-50 C using heterogeneous mixture of solvents: acetonitrile or acetonitrile with 2-5 wt.% water and pentane at weight ratios of acetonitrile and pentane to raw material (3- 5):1 and (0.5-1.5): 1, respectively. EFFECT: achieved environmental safety of fuel. 3 tbl, 2 ex
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Authors
Dates
2000-04-27—Published
1999-02-15—Filed