2001
DOI: 10.1021/ef010160b
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Petroleum AsphalteneProperties, Characterization, and Issues

Abstract: Importance of asphaltene characteristics, the characterization techniques, and the practical issues regarding industrial operations are briefly reviewed. The properties are viewed from macroscopic and microscopic length scales. Techniques used for characterizing such properties and their relevance to upstream and downstream operations are introduced. Finally, a conceptual approach for predicting asphaltene miscibility with lighter components is proposed.

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Cited by 255 publications
(225 citation statements)
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References 38 publications
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“…[4][5][6] In SARA fractionation, asphaltenes are first precipitated using n-alkanes, such as n-pentane or nheptane. 4,7 After removal of asphaltenes, the remaining SARA fractions are sequentially obtained by eluting the remaining components, collectively called maltenes. Maltenes are adsorbed onto a chromatographic column using various solvents of particular polarity.…”
Section: Saramentioning
confidence: 99%
“…[4][5][6] In SARA fractionation, asphaltenes are first precipitated using n-alkanes, such as n-pentane or nheptane. 4,7 After removal of asphaltenes, the remaining SARA fractions are sequentially obtained by eluting the remaining components, collectively called maltenes. Maltenes are adsorbed onto a chromatographic column using various solvents of particular polarity.…”
Section: Saramentioning
confidence: 99%
“…[8][9][10][11] Many researchers have shown that asphaltene and resin fractions have a large effect on the stability of water-in-oil emulsions. [11][12][13] Sjöblom et al proved that asphaltenes play a great role in water-in-oil emulsion stability. Later they concluded that the stability is strongly affected by the interaction between asphaltenes and resins.…”
Section: Introductionmentioning
confidence: 99%
“…Thus, for the much larger T 0 in combustors, it is expected that the mean molar mass of the liquid will increase from the present values, leading to coke or cenosphere formation when species as heavy as ϳ500 kg/ kmol have a non-negligible presence in the drop. [38][39][40] Complementary to P͑ l ͒, P͑ l ͒ shows that the preferred value is similar for both lower-stream and mixinglayer regions, and that the location of the peak slightly increases with larger T 0 . Independent of T 0 , the P͑ l ͒ width is larger in the mixing layer, consistent with the information in Fig.…”
Section: -24mentioning
confidence: 86%