Upgrading of bitumen asphaltenes by hot water treatment...

Details Upgrading of bitumen asphaltenes by hot water treatment... Upgrading of bitumen asphaltenes by hot water treatment...

C - Chemistry, Metallurgy

10

G

C10G 21/14 (2006.01) B03B 9/02 (2006.01) C10G 21/00 (2006.01)

Patent

CA 2118984

- 17 - ABSTRACT OF THE DISCLOSURE A process for upgrading bitumen asphaltenes obtained from tar sands to hydrocarbons which comprises contacting the bitumen with a deasphalting solvent to yield a deasphalted oil and a residual solid asphaltene, separating the residual solid asphaltene from the deas- phalted oil and treating the solid asphaltene fraction with super- heated water containing a soluble carbonate salt at temperatures of from 300 to 425°C.

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