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Transformation of diesel range hydrocarbons by inorganic double salts


O Achugasim
E Umofia

Abstract

Ability of double salts: Ammonium cobalt (ll) sulphate hexahydrate (NH4)2Co (SO4)2.6H2O and Potassium aluminium sulphate dodecahydrate KAl(SO4)2.12H2O to degrade diesel range hydrocabons (DRH) were investigated by treating a sample of diesel with the double salts at elevated temperature of 200oC. The degradation or otherwise of the hydrocarbons in the treated and untreated diesel samples were determined using Gas chromatography (GC). The results showed that the double salts were able to alter the hydrocarbon fingerprint of the diesel sample as the C11-C14 aliphatic hydrocarbons were drastically reduced and the C16-C36 range of hydrocarbons experienced noticeable increase. The hump for unresolved complex mixtures was retained in all the chromatograms, showing that the salts were unable to alter the oxygenated compounds in the diesel sample.

Keywords: Diesel, double salt, Hydrocarbons, Gas Chromatography


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eISSN: 2659-1499
print ISSN: 2659-1502