Sulfur removal and comminution of carbonaceous material
Patent
·
OSTI ID:6316021
Finely divided, clean coal or other carbonaceous material is provided by forming a slurry of coarse coal in aqueous alkali solution and heating the slurry under pressure to above the critical conditions of steam. The supercritical fluid penetrates and is trapped in the porosity of the coal as it swells in a thermoplastic condition at elevated temperature. By a sudden, explosive release of pressure the coal is fractured into finely divided particles with release of sulfur-containing gases and minerals. The finely divided coal is recovered from the minerals for use as a clean coal product. 2 figs.
- Research Organization:
- USDOE Pittsburgh Energy Technology Center (PETC), PA (United States)
- Assignee:
- Dept. of Energy
- Patent Number(s):
- PATENTS-US-A7105166
- Application Number:
- ON: DE89011783
- OSTI ID:
- 6316021
- Resource Relation:
- Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
Similar Records
Sulfur removal and comminution of carbonaceous material
Sulfur removal and comminution of carbonaceous material
Organic Sulfur and HAP Removal from Coal with Subcritical Water
Patent
·
Fri Jan 01 00:00:00 EST 1988
·
OSTI ID:6316021
Sulfur removal and comminution of carbonaceous material
Patent
·
Tue Oct 04 00:00:00 EDT 1988
·
OSTI ID:6316021
Organic Sulfur and HAP Removal from Coal with Subcritical Water
Technical Report
·
Tue Dec 31 00:00:00 EST 1996
·
OSTI ID:6316021
Related Subjects
01 COAL, LIGNITE, AND PEAT
COAL
COMMINUTION
SULFUR
REMOVAL
CARBONACEOUS MATERIALS
INVENTIONS
POTASSIUM HYDROXIDES
SLURRIES
SODIUM HYDROXIDES
STEAM
SUPERCRITICAL STATE
SWELLING
ALKALI METAL COMPOUNDS
DISPERSIONS
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROGEN COMPOUNDS
HYDROXIDES
MATERIALS
MIXTURES
NONMETALS
OXYGEN COMPOUNDS
POTASSIUM COMPOUNDS
SODIUM COMPOUNDS
SUSPENSIONS
010300* - Coal
Lignite
& Peat- Preparation- (1987-)
COAL
COMMINUTION
SULFUR
REMOVAL
CARBONACEOUS MATERIALS
INVENTIONS
POTASSIUM HYDROXIDES
SLURRIES
SODIUM HYDROXIDES
STEAM
SUPERCRITICAL STATE
SWELLING
ALKALI METAL COMPOUNDS
DISPERSIONS
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROGEN COMPOUNDS
HYDROXIDES
MATERIALS
MIXTURES
NONMETALS
OXYGEN COMPOUNDS
POTASSIUM COMPOUNDS
SODIUM COMPOUNDS
SUSPENSIONS
010300* - Coal
Lignite
& Peat- Preparation- (1987-)