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Comparative cost estimates of five coal utilization processes [electronic resource].

Published
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 1979.
Physical Description
Pages: 256 : digital, PDF file
Additional Creators
United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Detailed capital and operating cost estimates were prepared for the generation of electric power in a new, net 500 MW (e), coal-burning facility by five alternative processes: conventional boiler with no control of SO/sub 2/ emissions, atmospheric fluidized bed steam generator (AFB), conventional boiler equipped with a limestone FGD system, conventional boiler equipped with magnesia FGD system, and coal beneficiation followed by a conventional boiler quipped with limestone FGD for part of the flue gas stream. For a coal containing 3.5% sulfur, meeting SO/sub 2/ emission limits of 1.2 pounds per million Btu fired was most economical with the limestone FGD system. This result was unchanged for a coal containing 5% sulfur; however, for 2% sulfur, limestone FGD and AFB were competitive methods of controlling SO/sub 2/ emissions. Brief consideration of 90% reduction of SO/sub 2/ emissions led to the choice of limestone FGD as the most economical method. Byproduct credit for the sulfuric acid produced in regenerating the magnesia could make that system competitive with the limestone FGD system, depending upon local markets. The cost of sludge fixation and disposal would make limestone FGD noneconomic in many situations, if these steps are necessary.
Report Numbers
E 1.99:ornl/sub-7384/1
ornl/sub-7384/1
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Note
Published through SciTech Connect.
01/01/1979.
"ornl/sub-7384/1"
Not Available.
Chem Systems, Inc., New York (USA)
Funding Information
W-7405-ENG-26
View MARC record | catkey: 13846253