Deparaffination of light crudes through urea-n-alkane channel complexes

Solid urea-n-alkane channel complexes were obtained by reacting urea with calculated amounts of three crude oils (Qua Iboe Light (QIL), Trans Niger Pipeline (TNP), and Brass Blend (BB)) from different Nigerian wells. A fourth Nigerian crude, Bonny Light (BL), gave no adduct with urea under the same...

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Bibliographic Details
Published in:Fuel (Guildford) 1990, Vol.69 (1), p.126-128
Main Authors: Nwadinigwe, Chukwuemeka A., Eze, Sunday O.
Format: Article
Language:English
Subjects:
Applied sciences
cracking
crude oil
Crude oil, natural gas and petroleum products
Energy
Exact sciences and technology
Fuels
gas chromatography
Processing of crude oil and oils from shales and tar sands. Processes. Equipment. Refinery and treatment units
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Summary:Solid urea-n-alkane channel complexes were obtained by reacting urea with calculated amounts of three crude oils (Qua Iboe Light (QIL), Trans Niger Pipeline (TNP), and Brass Blend (BB)) from different Nigerian wells. A fourth Nigerian crude, Bonny Light (BL), gave no adduct with urea under the same conditions. Decomposition of the complexes gave n-paraffins whose weight distributions were analysed by gas chromatography. BB gave n-paraffins of homologous series from C 7 to C 34, while those from QIL and TNP each ranged from C 9 to C 34. Calculation of ratios of odd to even carbon numbers showed a slight predominance of odd-numbered n-paraffins. Experimental data also suggest that BB, QIL and TNP are of the same stratigraphie horizon and geographical region, but different from BL.
ISSN:0016-2361
1873-7153
DOI:10.1016/0016-2361(90)90270-Z