Use of a submersible viscometer in the primary separation...

Details Use of a submersible viscometer in the primary separation... Use of a submersible viscometer in the primary separation...

C - Chemistry, Metallurgy

10

G

196/1, 196/17

C10G 1/04 (2006.01)

Patent

CA 1232854

"USE OF A SUBMERSIBLE VISCOMETER IN THE PRIMARY SEPARATION STEP OF THE HOT WATER PROCESS FOR RECOVERY OF BITUMEN FROM TAR SAND" ABSTRACT OF THE DISCLOSURE The hot water process is controlled in response to viscosity measurements taken in situ in the middlings in the primary separation vessel. The viscosity in the middlings is found to vary. Therefore, the layer of maximum viscosity is located and the viscosity at this depth is monitored. Adjustments are made to the process to keep this maximum viscosity below a pre-determined limit.

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