Ethanolamine in a method of recovering coal in aqueous slurry form
Patent
·
OSTI ID:5723675
A method of in-situ coal recovery in slurry form from a coal deposit by first contacting the coal with a gaseous mixture of an oxygen-containing gas containing vaporized NO/sub 2/, then with an aqueous alkaline solution to slurry the coal, and then recovering the slurried coal from the deposit. The particular aqueous alkaline solution disclosed herein contains ethanolamine.
- Assignee:
- Chevron Research Co
- Patent Number(s):
- US 4191425
- OSTI ID:
- 5723675
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
012000* -- Coal
Lignite
& Peat-- Mining
013000 -- Coal
Lignite
& Peat-- Transport
Handling
& Storage
AMINES
AQUEOUS SOLUTIONS
CHALCOGENIDES
COAL DEPOSITS
DISPERSIONS
ELEMENTS
FLUIDS
FUEL SLURRIES
FUELS
GASES
GEOLOGIC DEPOSITS
IN-SITU PROCESSING
MINERAL RESOURCES
MIXTURES
NITROGEN COMPOUNDS
NITROGEN DIOXIDE
NITROGEN OXIDES
NONMETALS
ORGANIC COMPOUNDS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PROCESSING
RESOURCES
SLURRIES
SOLUTIONS
SUSPENSIONS
012000* -- Coal
Lignite
& Peat-- Mining
013000 -- Coal
Lignite
& Peat-- Transport
Handling
& Storage
AMINES
AQUEOUS SOLUTIONS
CHALCOGENIDES
COAL DEPOSITS
DISPERSIONS
ELEMENTS
FLUIDS
FUEL SLURRIES
FUELS
GASES
GEOLOGIC DEPOSITS
IN-SITU PROCESSING
MINERAL RESOURCES
MIXTURES
NITROGEN COMPOUNDS
NITROGEN DIOXIDE
NITROGEN OXIDES
NONMETALS
ORGANIC COMPOUNDS
OXIDES
OXYGEN
OXYGEN COMPOUNDS
PROCESSING
RESOURCES
SLURRIES
SOLUTIONS
SUSPENSIONS