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Volume :12 Issue : 1 1985      Add To Cart                                                                    Download

Separation and identification of n-paraffins from Kuwait kerosene cuts

Auther : FATHI A. OWAYSI AND RASHEED S. AL-AMEERI

Department of Petroleum Technology, Kuwait Institute for Scientific Research, P.O. Box 24885, Kuwait; and Department of Chemical Engineering, University of Kuwait P .O. Box 5969,Kuwait

 

ABSTRACT

 

Normal paraffins and denormal (deparaffinised) products separated from Kuwait petroleum fractions were identified and characterised. Straight-run kerosene (b.p.204-285°C) and naphtha-kerosene blend (b.p.164-215°C) were selected as feedstocks because of their relatively high n-paraffin content. The separation was accomplished by urea adduction and the efficiency of the separation was determined in terms of product yield and purity. The percent recovery of n-alkanes ranged between 79-87% and the purity ranged between 85-91% depending on the nature of the original feed. Large improvements were achieved in the pour points of the deparaffinised feedstocks which would extend their application, as hydrocarbon fuels, to low temperatures encountered in cold climates.

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