Mineral oils: processes and products – Fractionation – Deasphalting
Patent
1984-08-20
1986-01-21
Gantz, D. E.
Mineral oils: processes and products
Fractionation
Deasphalting
208351, 208356, 208362, C10C 308
Patent
active
045656231
ABSTRACT:
This invention deals with a method for deasphalting heavy oils by mixing the oil with a completely miscible solvent at a low treat ratio and then subjecting the resulting one phase mixture to a gaseous antisolvent, such as carbon dioxide, to separate the mixture into two phases. The upper phase contains the majority of the miscible solvent and the product oil containing a significantly lower CCN then did the feedstock.
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Exxon Research and Engineering Co.
Gantz D. E.
Myers Helane
Wheelock E. Thomas
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