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OLS Field Name OLS Field Data
Main Title Economic evaluation of a sodium/limestone double-alkali FGD process /
Author Stephenson, C. D. ; Burnett, T. A. ; Torstrick, R. L.
Other Authors
Author Title of a Work
Burnett, T. A.
Torstrick, R. L.
CORP Author Tennessee Valley Authority, Chattanooga. Div. of Energy Demonstrations and Technology.;Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab.
Publisher U.S. Environmental Protection Agency, Air and Energy Engineering Research Laboratory,
Year Published 1984
Report Number EPA/600/7-84/096; TVA/OP/EDT-84/9
Stock Number PB85-169886
Subjects Flue gases--Desulfurization--Economic aspects.
Additional Subjects Air pollution control ; Cost analysis ; Flue gases ; Design criteria ; Calcium carbonates ; Pilot plants ; Industrial wastes ; Combustion products ; Economic analysis ; Double alkali scrubbing ; Limestone scrubbing ; Forced oxidation system ; Flue gas desulfurization
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
NTIS  PB85-169886 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 01/01/1988
Collation 87 pages : illustrations ; 28 cm
Abstract
The report gives results of a comparison of results from a recent forced-oxidation limestone flue gas desulfurization (FGD) process evaluation and those from a conceptual design and economic evaluation of a sodium/limestone double-alkali FGD process, based on recent EPA-sponsored pilot-plant and prototype test work. For a 500-MW new power unit burning 3.5% sulfur coal and meeting the 1979 new source performance standards, the estimated capital investments in 1982 costs are $95 million ($190/kW) for the sodium/limestone double-alkali process and $103 million ($206/kW) for the forced-oxidation limestone process. Estimated first-year annual revenue requirements in 1984 costs for these processes are $26 million and $29 million (9.3 and 10.6 mills/kWh), respectively. Although the sodium/limestone double-alkali process appears to be about 8% lower in capital investment, given the accuracy associated with studies of this type (+ or - 10%), it is uncertain if the sodium/limestone double-alkali process has a lower capital investment. In terms of first-year and levelized annual revenue requirements, the sodium/limestone double-alkali process shows a 12% and 14% lower cost, respectively, than the forced-oxidation limestone process and (thus) is marginally less expensive. However, economics for the double-alkali process are more uncertain than those for the other.
Notes
Caption title. "October 1984." "EPA-600/7-84-096." Microfiche.