Published: Journal of Chromatographic Science,
ISSN 0021-9665 Volume
38, Number 1, January 2000, pp. 1-5
Application of High-Temperature Simulated Distillation to
the Residuum Oil Supercritical Extraction Process in Petroleum Refining
Joe C. Raia and Dan C. Villalanti
Triton Analytics Corporation,
16840 Barker Springs #302, Houston, TX 77084
Murugesan Subramanian and Bruce Williams
Kellogg Brown & Root,
Inc., P.O. Box 3, Houston, TX 77001-0003
The gas chromatographic
method of high-temperature simulated distillation (HTSD) is described, and the
results are presented for the application of HTSD to the characterization of petroleum
refinery feed and products from solvent deasphalting operations. Results are presented
for refinery residual feed, deasphalted oil, and asphaltene fractions from the
residual oil supercritical extraction process. Asphaltene removal from petroleum
residuum using solvent deasphalting results in the improved quality and high recovery
of deasphalted oil product for use as lube oil, fluid catalytic cracking, or hydrocracker
feedstocks. The HTSD procedure presented here proves valuable for characterizing
the fractions from the deasphalting process to obtain the percentage yield with
boiling point data over the range from approximately 36°C (97°F) to 733°C
(1352°F), which covers the boiling range of n-paraffins of carbon number C5
to C108.
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