Publication Type |
patent |
Author |
Leung, Antony H. S.; Kwon, Teddy K. |
Title |
Recycle of secondary froth in the hot water process for extracting bitumen from tar sand |
Date |
1988-10-11 |
Description |
Froth, produced by induced air flotation in the hot water process circuit for extracting bitumen from tar sand, is recycled and added to the fresh slurry being introduced to the primary separation vessel. An increase in bitumen recovered as primary froth from the circuit is produced. |
Publisher |
United States Patent and Trademark Office |
Subject |
hot water process; bitumen extration; tar sand; secondary froth recycling; patent |
Bibliographic Citation |
Leung, A. H. S., Kwon, T. K. (1988). Recycle of secondary froth in the hot water process for extracting bitumen from tar sand. United States Patent 4,776,949. United States Patent and Trademark Office. |
Relation Has Part |
United States Patent 4,776,949 |
ARK |
ark:/87278/s6x959ff |
Setname |
ir_eua |
ID |
214399 |
Reference URL |
https://collections.lib.utah.edu/ark:/87278/s6x959ff |