Method for demulsification of bitumen emulsions using polyalkylene polyamine salts

Patent · Tue Mar 06 00:00:00 EST 1984

OSTI ID:6633562

McCoy, D R

A process for recovering bitumen from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are polyamine salts prepared by contacting poly(ethyleneimines) with organic or inorganic acids. The polyamines have a molecular weight of at least 1,000. To resolve the bituminous petroleum emulsions, the process is carried out between 25/sup 0/ and 160/sup 0/ C. wherein the demulsifier of the invention is contacted with the bituminous emulsion.

• Assignee: Texaco Inc.
• Patent Number(s): US 4434850
• OSTI ID: 6633562
• Resource Relation: Patent File Date: Filed date 2 Dec 1981; Other Information: PAT-APPL-326456
• Country of Publication: United States
• Language: English

Related Subjects

04 OIL SHALES AND TAR SANDS
BITUMENS
DEMULSIFICATION
IN-SITU PROCESSING
OIL SAND DEPOSITS
STEAM INJECTION
WATERFLOODING
AMINES
DEMULSIFIERS
EMULSIONS
INORGANIC ACIDS
ORGANIC ACIDS
PETROLEUM
SALTS
WATER
WELL STIMULATION
ADDITIVES
COLLOIDS
DISPERSIONS
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FOSSIL FUELS
FUELS
GEOLOGIC DEPOSITS
HYDROGEN COMPOUNDS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PROCESSING
RECOVERY
STIMULATION
TAR
THERMAL RECOVERY
040401* - Oil Shales & Tar Sands- In Situ Methods
True & Modified