Process and apparatus for stripping solids from bituminous sand

Patent · Tue Sep 06 04:00:00 EDT 1966

OSTI ID:6327940

Clark, L C

A process and apparatus for the recovery of bitumen from bituminous sand utilize a flotation gas which is passed through a bituminous sand slurry. In the process, a slurry of bituminous sand is introduced into the upper portion of an inverted-cone-shaped flotation tank (or ''stripper'') containing a column of water. The slurry may be formed by any conventional means such as adding water or an organic solvent for the bitumen to the bituminous sand and agitating the mixture, preferably in contact with air. Due to the temperature of the slurry or the mixing and agitating of it in contact with air, the slurry forms a froth upon entering the column of water in the stripper. The froth rises within the column of water to form a layer. Preferably the process is continuous. The sand content of the bituminous sand slurry proceeds by gravity to pass downward in the stripper, as well as fines and particles of bitumen which have not formed froth.

• Assignee: TUL; EDB-81-109350
• Patent Number(s): US 3271293
• OSTI ID: 6327940
• Country of Publication: United States
• Language: English

Related Subjects

04 OIL SHALES AND TAR SANDS
040401* -- Oil Shales & Tar Sands-- In Situ Methods
True & Modified
040402 -- Oil Shales & Tar Sands-- Surface Methods
BITUMENS
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
COLLOIDS
COMPRESSED GASES
DISPERSIONS
ENERGY SOURCES
ENGINEERING
FLOTATION
FLUIDS
FOAMS
FOSSIL FUELS
FUELS
GASES
GEOLOGIC DEPOSITS
MATERIALS
MIXTURES
NOZZLES
OIL SAND DEPOSITS
OIL SANDS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
RESERVOIR ENGINEERING
SEPARATION PROCESSES
SLURRIES
SURFACE PROPERTIES
SUSPENSIONS
TAR