Two-stage coal gasification and desulfurization apparatus

Patent · Tue Dec 03 00:00:00 EST 1991

OSTI ID:6897331

Bissett, L A; Strickland, L D

This patent describes a coal gasification system. It comprises a fixed-bed gasifier; combustion means; first condiut means in registry with the gasifier at a location therein overlying the fixed bed in the gasifier and coupled to the combustion means for conveying a stream of tar- and sulfur-containing fuel gas into the combustion means; means for introducing air int othe combustion means; sorbent regenerating means; and means for introducing a calcium-containing compound into the combustion means.

• Assignee: Dept. of Energy, Washington, DC (United States)
• Patent Number(s): US 5069685; A
• Application Number: PPN: US 7-562298
• OSTI ID: 6897331
• Resource Relation: Patent File Date: 3 Aug 1990
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
29 ENERGY PLANNING
POLICY AND ECONOMY
COAL GASIFICATION
PROCESS CONTROL
FLUE GAS
DESULFURIZATION
SULFUR OXIDES
AIR POLLUTION CONTROL
ENVIRONMENTAL POLICY
FUEL GAS
SORBENT INJECTION PROCESSES
SORBENT RECOVERY SYSTEMS
CHALCOGENIDES
CHEMICAL REACTIONS
CONTROL
FLUIDS
FUELS
GAS FUELS
GASEOUS WASTES
GASES
GASIFICATION
GOVERNMENT POLICIES
OXIDES
OXYGEN COMPOUNDS
POLLUTION CONTROL
SULFUR COMPOUNDS
THERMOCHEMICAL PROCESSES
WASTES
010404* - Coal
Lignite
& Peat- Gasification
010800 - Coal
Lignite
& Peat- Waste Management
010900 - Coal
Lignite
& Peat- Environmental Aspects
294002 - Energy Planning & Policy- Petroleum