Hot water extraction of bitumen from Utah tar sands
Utah tar sands are distinctly different from Canadian tar sands both with regard to chemical composition and physical properties, specifically viscosity. Flow curves for Utah and Athabasca bitumens were determined as a function of temperature. For all temperatures, both bitumen samples exhibited Newtonian behavior. Utah bitumen is significantly more viscous than Athabasca bitumen by more than an order of magnitude. This difference in viscosity makes phase disengagement more difficult to achieve. As a result of this consideration, a high shear, stirred tank reactor was selected for digestion of the tar sand samples, and wetting agents were added to assist the phase disengagement process. Preliminary results, in which separation coefficients greater than 0.90 were obtained, have encouraged further research in this area.
- Research Organization:
- Univ. of Utah, Salt Lake City
- OSTI ID:
- 7311677
- Journal Information:
- Am. Chem. Soc., Div. Fuel Chem., Prepr.; (United States), Journal Name: Am. Chem. Soc., Div. Fuel Chem., Prepr.; (United States) Vol. 21:6; ISSN ACFPA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
040402* -- Oil Shales & Tar Sands-- Surface Methods
ASPHALT RIDGE DEPOSIT
ATHABASCA DEPOSIT
BITUMENS
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
CHEMICAL COMPOSITION
COMPARATIVE EVALUATIONS
DIAGRAMS
ENERGY SOURCES
EXTRACTION
FLUID INJECTION PROCESSES
FOSSIL FUELS
FUELS
GEOLOGIC DEPOSITS
HOT-WATER PROCESSES
NORTH AMERICA
OIL SAND DEPOSITS
OIL SANDS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
PR SPRINGS DEPOSIT
PROCESSING
ROCKY MOUNTAIN REGION
SEPARATION PROCESSES
SUNNYSIDE DEPOSIT
TAR
TEMPERATURE DEPENDENCE
USA
UTAH
VISCOSITY