Research of the residual content of aromatic hydrocarbons in the composition of diesel fuel after extraction cleaning

Abstract

In paper the results of luminescent studies mixture of the straight-run diesel fraction with the product secondary oil refining — light gas oil coking at a mass ratio of components of 70:30% of the masses and raffinates obtained by extraction purification of the indicated feedstock with N-methylpyrrolidone and an ionic liquid - N-methylpyrrolidoneacetate synthesized based on N- methylpyrrolidone and acetic acid have been presented. A series of studies has established a relatively high extraction ability of the ionic liquid, compared with N-methylpyrrolidone. Since under similar conditions of selective purification using the specified ionic liquid as the extractant, bicyclic aromatic hydrocarbons are almost completely removed from the composition of the test mixture of the diesel fraction. Keywords: raffinate; luminescent studies; extraction purification; UV spectral analysis; ionic liquid; N-methylpyrrolidone.