PREPARATORY HIGH PERFORMANCE LIQUID CHROMATOGRAPHIC (HPLC) SEPARATION SYSTEM AND TECHNIQUE FOR QUANTITATIVE FRACTIONATION OF TOTAL VACUUM RESID
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United States of America Patent
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Issued Date -
Jun 19, 2014
app pub date -
Dec 18, 2012
filing date -
Dec 18, 2012
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Abandoned
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Abstract
A method and system for conducting chromatographic analysis of a total vacuum resid to provide quantification of eight classes of compounds (i.e., asphaltenes, saturates, 1-4+ ring aromatics, sulfides, and polars) contained within the total vacuum resid without prior de-asphalting are disclosed. The system is also capable of conducting chromatographic analysis of a vacuum gas oils and de-asphalted oils to provide quantification of seven classes of compounds (i.e., saturates, 1-4+ ring aromatics, sulfides, and polars). The system is also capable of conducting chromatographic analysis of a resid to identity the presence of and provide quantification of asphaltenes.
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