Colloidal nature of vacuum residue
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David A. Storm; Ronald J. Barresi; Stephen J. DeCanio
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Article
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1991
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Elsevier Science
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English
โ 520 KB
Vacuum residues from Duri, Alaska North Slope, Ratawi, Oriente and Merey crude oils are observed to be colloidal dispersions of the asphaltenes (heptane insolubles) in the other molecules that make up the vacuum residue. It is suggested that molecules in the heptane-insoluble portion self-associate,