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RETROFIT COSTS FOR LIME/LIMESTONE FGD AND LIME SPRAY DRYING AT COAL-FIRED UTILITY BOILERS
Citation:
Emmel, T. AND J. Jones. RETROFIT COSTS FOR LIME/LIMESTONE FGD AND LIME SPRAY DRYING AT COAL-FIRED UTILITY BOILERS. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/D-90/217.
Description:
The paper gives results of a research program the objective of which was to significantly improve engineering cost estimates currently being used to evaluate the economic effects of applying S02 controls to existing coal-fired utility boilers. he costs of retrofitting conventional lime/limestone wet flue gas desulfurization (L/LS FGD) and lime spray drying (LSD) FGD at 100-200 coal-fired power plants are being estimated under this program. he retrofit capital cost estimating procedures used for L/LS FGD and LSD FGD make two cost adjustments to current procedures used to estimate FGD costs: cost adders (for items not normally included in FGD system costs; e.g., demolition and relocation of existing facilities) and cost multipliers (to adjust capital costs for site access, congestion, and underground obstructions).