Method for determining asphaltene stability of a hydrocarbon-containing material
Abstract
A method for determining asphaltene stability in a hydrocarbon-containing material having solvated asphaltenes therein is disclosed. In at least one embodiment, it involves the steps of: (a) precipitating an amount of the asphaltenes from a liquid sample of the hydrocarbon-containing material with an alkane mobile phase solvent in a column; (b) dissolving a first amount and a second amount of the precipitated asphaltenes by changing the alkane mobile phase solvent to a final mobile phase solvent having a solubility parameter that is higher than the alkane mobile phase solvent; (c) monitoring the concentration of eluted fractions from the column; (d) creating a solubility profile of the dissolved asphaltenes in the hydrocarbon-containing material; and (e) determining one or more asphaltene stability parameters of the hydrocarbon-containing material.
- Inventors:
- Issue Date:
- Research Org.:
- The University of Wyoming Research Corporation (Laramie, WY)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1083223
- Patent Number(s):
- 8,367,425
- Application Number:
- 13/490,316
- Assignee:
- The University of Wyoming Research Corporation (Laramie, WY)
- DOE Contract Number:
- FC26-98FT40322
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Schabron, John F, and Rovani, Jr., Joseph F. Method for determining asphaltene stability of a hydrocarbon-containing material. United States: N. p., 2013.
Web.
Schabron, John F, & Rovani, Jr., Joseph F. Method for determining asphaltene stability of a hydrocarbon-containing material. United States.
Schabron, John F, and Rovani, Jr., Joseph F. Tue .
"Method for determining asphaltene stability of a hydrocarbon-containing material". United States. https://www.osti.gov/servlets/purl/1083223.
@article{osti_1083223,
title = {Method for determining asphaltene stability of a hydrocarbon-containing material},
author = {Schabron, John F and Rovani, Jr., Joseph F},
abstractNote = {A method for determining asphaltene stability in a hydrocarbon-containing material having solvated asphaltenes therein is disclosed. In at least one embodiment, it involves the steps of: (a) precipitating an amount of the asphaltenes from a liquid sample of the hydrocarbon-containing material with an alkane mobile phase solvent in a column; (b) dissolving a first amount and a second amount of the precipitated asphaltenes by changing the alkane mobile phase solvent to a final mobile phase solvent having a solubility parameter that is higher than the alkane mobile phase solvent; (c) monitoring the concentration of eluted fractions from the column; (d) creating a solubility profile of the dissolved asphaltenes in the hydrocarbon-containing material; and (e) determining one or more asphaltene stability parameters of the hydrocarbon-containing material.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2013},
month = {2}
}
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