Method of reducing moisture and solid content of bitumen...

Details Method of reducing moisture and solid content of bitumen... Method of reducing moisture and solid content of bitumen...

C - Chemistry, Metallurgy

10

G

C10G 1/00 (2006.01) C10G 1/04 (2006.01) C10G 33/04 (2006.01)

Patent

CA 2262048

Tar sand is upgraded to produce a hydrocarbon having a low concentration of water and solids by contacting a bitumen/diluent mix with an alkoxyalkylphenol alkoxylate surfactant prior to separation of a recoverable hydrocarbon phase. The separation of the bitumen/diluent mix into a recoverable hydrocarbon phase and a water/solid phase results in a recoverable hydrocarbon phase that meets the concentration of water and solids desired by tar sand processors. A further refinement of the method involves contacting the bitumen/diluent mix with an anionic and cationic flocculant following the surfactant for further improvement in separation.

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