Abstract
This article reports on a study of the influence of the alcohol concentration and urea content of the solution and the temperature and time of adduct formation on the composition and completeness of recovery of n-alkanes from diesel fuel cuts. The study was carried out with solutions of n-alkanes in a 193-326/sup 0/C diesel fuel cut from Baku crudes containing 19.8% aromatic hydrocarbons. Dewaxing was performed in a cylindrical metal reactor with a blade stirrer. The quantities of n-alkanes remaining in the dewaxed fuel was determined by an adduct formation method. The adduct obtained in the basic dewaxing experiment was decomposed, and the composition of the paraffins that were recovered was determined chromatographically. It is determined that for maximum recovery of n-alkanes from diesel fuels containing 20% by weight of adduct-forming hydrocarbons, a 40% urea solution should be used.
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