Recycle of secondary froth in the hot water process for extracting bitumen from tar sand

Update item information
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
Date Created 2015-02-04
Date Modified 2021-05-06
ID 214399
Reference URL https://collections.lib.utah.edu/ark:/87278/s6x959ff
Back to Search Results