FLUE%20GAS%20SCRUBBERS

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FLUE GAS SCRUBBERS LIMESTONE SCRUBBING AT LOW
TEMPERATURE DESIGNED FOR 90 REMOVAL COMMERCIALL
Y PROVEN, COST 200/KW (vs. 1000/KW for ENTIRE
POWER PLANT) REQUIRES THROWAWAY BYPRODUCT
(e.g., CaS04) FOR NEAR-TERM APPLICATION 6-8
LOSS IN THERMAL EFFICIENCY
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DOLOMITE INJECTION REMOVAL OF SO2 SIMULTANEOUS
WITH COMBUSTION CaCO3 SERVES AS A SCAVENGER FOR
SO2 (PRODUCES CaSO4 THROWAWAY PRODUCT) REQUIRES
LOW TEMPERATURE 1600 ºF HANDLES HIGH ASH
COALS LOWER EMISSIONS OF NOX, TRACE
METALS ATTRACTIVE FOR SMALLER POWER PLANTS (LESS
THAN 100 MW)
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• PREDICTIONS(MADE IN 1990) ?
• COAL COMBUSTION WILL CONTINUE AS THE DOMINANT
  MODE OF COAL UTILIZATION DURING THE REST OF THIS
  CENTURY.
• SYNTHETIC FUELS WILL BECOME POPULAR AGAIN IN THE
  FUTURE (HISTORY REPEATS ITSELF) PERHAPS 10
  YEARS FROM NOW, THE U.S.A WILL HAVE ANOTHER
  ENERGY CRISIS.
• 3. PREDICTIONS FOR 2010?

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