FRACTIONATION OF DE-ASPHALTED OIL OF VACUUM RESID USING PREPARATIVE HIGH PERFORMANCE LIQUID CHROMATOGRAPHIC SEPARATIONS

FRACTIONATION OF DE-ASPHALTED OIL OF VACUUM RESID USING PREPARATIVE HIGH PERFORMANCE LIQUID CHROMATOGRAPHIC SEPARATIONS

Two quantitative separation approaches to fractionate de-asphalted oils (DAOs) into seven classes of compounds (saturates, 1-4+ ring-aromatics, sulfides, and polars). In the first step (named as "SGS") of present invention, the DAO of a petroleum vacuum resid is separated in to four classe...

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Hauptverfasser: DI SANZO, Frank, P, HAGEE, Bryan, E, GREEN, Larry, A, CHAWLA, Birbal
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator DI SANZO, Frank, P
HAGEE, Bryan, E
GREEN, Larry, A
CHAWLA, Birbal
description Two quantitative separation approaches to fractionate de-asphalted oils (DAOs) into seven classes of compounds (saturates, 1-4+ ring-aromatics, sulfides, and polars). In the first step (named as "SGS") of present invention, the DAO of a petroleum vacuum resid is separated in to four classes of compounds, namely saturates, aromatics, and sulfides. In this first step of separation, about 3 grams of a DAO can be separated. Whereas in the second step (named as "ARC" separation) of invention, only less than 300 mg of the aromatic fraction obtained in "SGS" (described above) can be further fractionated at very low temperature (about −40 degrees centigrade) into 4 fractions, namely 1-ring, 2-ring, 3-ring, and 4+-ring aromatics. The present invention protocol is suitable for a wide range of compositionally different DAOs of petroleum vacuum resids.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title FRACTIONATION OF DE-ASPHALTED OIL OF VACUUM RESID USING PREPARATIVE HIGH PERFORMANCE LIQUID CHROMATOGRAPHIC SEPARATIONS
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