Title
Deerhaven Emissions and County Issues(Referrals #990532 and #002001) (B)
Explanation
The Alachua County Commission, in correspondence dated August 23, 2001, requested that additional alternatives for air emission control at Deerhaven 2 be evaluated, and that the City join the Cities for Climate Protection Campaign. These additional studies have been performed. Furthermore, discussions with the Regional Utilities Committee at meetings on August 29, 2001, October 18, 2001, and September 19, 2001, as well as at the November 6, 2001 joint meeting of the City Commission with the Alachua County Commission, were also taken into account. A summary report comparing the new results with previous evaluations was presented to the Regional Utilities Committee on February 7, 2002, and the Committee acted on that date to approve the recommendations made here.
The additional analyses addressed in the report include: 1) Comparison of Deerhaven's emission performance to other power plants; 2) Review of electrostatic precipitator (ESP) performance; and 3) Evaluation of the cost-effectiveness of the following additional emission control technologies: a) Selective non-catalytic reduction ("SNCR") of NOx by injecting ammonia or urea at the top of the firebox; b) Utilization of magnesium enhanced lime (MEL) instead of limestone in a wet flue gas desulfurization scrubber; c) Enhancing the particulate matter ("PM") capture potential of the existing electrostatic precipitator ("ESP"); d) Mercury ("Hg") removal with sorbent injection and removal (carbon injection with compact hybrid particulate collection ("COHPAC") integrated with the existing ESP was evaluated); e) CO2 reduction through carbon sequestration; and f) Synergistic and integrated technologies. 4) Inclusion of the fiscal benefits from the effects of reduced emissions on community health, the environment, and economic development; and 5) Joining the Cities for Climate Protection campaign.
Recommendations
The C...
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