IGCC vision

Technical Report · Sat May 01 04:00:00 EDT 1993

OSTI ID:10150169

In an Integrated Gasification Combined Cycle (IGCC), fuel gas, which is composed of hydrogen and carbon oxides, is generated in a gasifier by coal reacting with steam and air or oxygen. The pressurized fuel gas is then cleaned and fed to a high-efficiency combustion gas turbine to generate power. The hot exhaust gas from the gas turbine produces steam to drive a steam turbine to make additional power. Integration of the inherent advantages of coal gasification and combined cycles results in an ultra high-efficiency, super-clean, low-cost power plant. IGCC plants being demonstrated can achieve efficiencies of 42% (HHV) and with continuous improvements over the next 15 to 20 years, 52% efficiency is achievable. When compared to existing coal plants with flue gas desulfurization, which have efficiencies of about 34%, IGCC reduces by 35% the CO{sub 2} emission because less coal is required to generate an equivalent power. Commercialization of IGCC will result in low-cost power from coal without environmental compromise. These features are crucial to US competitiveness in the world.marketplace. Preservation and creation of jobs will depend on a strong mining and manufacturing sector enhanced by export markets for coal and power generation equipment.

• Research Organization: USDOE Morgantown Energy Technology Center, WV (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• OSTI ID: 10150169
• Report Number(s): DOE/METC--93/6130; ON: DE93000246; NC: NONE
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010404
20 FOSSIL-FUELED POWER PLANTS
200102
CARBON DIOXIDE
COAL GASIFICATION
COMBINED-CYCLE POWER PLANTS
COMMERCIALIZATION
COST
EMISSION
FUEL GAS
GAS TURBINES
GASIFICATION
HOT GAS CLEANUP
POWER CYCLES
POWER GENERATION
STEAM TURBINES
THERMAL EFFICIENCY
US CLEAN COAL TECHNOLOGY PROGRAM
US NATIONAL ENERGY PLAN