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NRMRL-RTP-P- 574 Srivastava*, R.K., Sedman*, C.B., Kilgroe*, J.D., Smith D., and Renninger, S. Preliminary Estimates of Performance and Cost of Mercury Control Technology Applications on Electric Utility Boilers. 01/24/2001 Under the Clean Air Act Amendments of 1990, the Environmental Protection Agency has determined that regulation of mercury emissions from coal-fired power plants is appropriate and necessary. To aid in this determination, preliminary estimates of the performance and cost of powdered activated carbon (PAC) injection-based mercury control technologies were developed. This paper presents these estimates and develops projections of costs for future applications. Cost estimates were developed based on using PAC to achieve a minimum of 80% mercury removal at plants using electrostatic precipitators and a minimum of 90% removal at plants using fabric filters. These estimates range from 0.305 to 3.783 mills/kWh. However, the higher costs are associated with the minority of plants using hot-side electrostatic precipitators (HESPs). If these costs are excluded, the estimates range from 0.305 to 1.915 mills/kWh.

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