Process for beneficiating oil-shale
Patent
·
OSTI ID:5725239
Disclosed is a process for removing mineral matter from oil-shale which method comprises contacting the oil-shale with (a) an ammonium salt solution, and (b) a nonionic surfactant at a temperature from about 0/sup 0/ C. to about 300/sup 0/ C. for a time which is sufficient to substantially separate at least about 80 wt. % of the carbonate mineral matter of the oil-shale.
- Assignee:
- Exxon Research and Engineering Co.
- Patent Number(s):
- US 4491514
- OSTI ID:
- 5725239
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
04 OIL SHALES AND TAR SANDS
040404* -- Oil Shales & Tar Sands-- Purification
AMMONIUM COMPOUNDS
BITUMINOUS MATERIALS
CARBON COMPOUNDS
CARBONACEOUS MATERIALS
CARBONATES
DEMINERALIZATION
ENERGY SOURCES
FOSSIL FUELS
FUELS
HIGH TEMPERATURE
MATERIALS
MEDIUM TEMPERATURE
MINERAL OILS
OIL SHALES
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
SALTS
SEPARATION PROCESSES
SHALE OIL
SURFACTANTS
040404* -- Oil Shales & Tar Sands-- Purification
AMMONIUM COMPOUNDS
BITUMINOUS MATERIALS
CARBON COMPOUNDS
CARBONACEOUS MATERIALS
CARBONATES
DEMINERALIZATION
ENERGY SOURCES
FOSSIL FUELS
FUELS
HIGH TEMPERATURE
MATERIALS
MEDIUM TEMPERATURE
MINERAL OILS
OIL SHALES
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
SALTS
SEPARATION PROCESSES
SHALE OIL
SURFACTANTS