Method of Processing Bituminous Froth Recovered from Tar Sands (Patent No: 952841)

Inventor: Baillie, Robert A.

Location: West Chester, PA

Comments: N/A

Description: [52] CLASS 196-22
[11] 952,841
[54] METHOD OF PROCESSING BITUMINOUS FROTH RECOVERED FROM TAR SANDS (1)
[72] Baillie, Robert A., West Chester, Pennsylvania, U.S.A., and Humeniuk, Edward, Fort McMurray, Alberta, Canada
[73] Granted to Great Canadian Oil Sands, Limited, Toronto, Ontario, Canada
[21] Application No 113,361
[22] Filed May 19, 1971
6 Claims

[57] In the recovery of bitumen from bituminous tar sands by way of a hot water extraction procedure, centrifuging said product to remove part of the mineral matter and water and subsequently settling the centrifuged froth in a settling zone to provide a settler froth product and a settler tailings product, the settler tailings product being thereafter subject to centrifugal force wherein a second centrifugal froth product is recovered and combined with the settler froth product to provide a final bitumen product substantially reduced in mineral matter and water, and suitable for petroleum refining.