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The Demonstration of EPRI s TOXECON Process to Control Mercury Emissions From Coal-fired Utility Boilers Steven De

TOXECON? Project Partners . We Energies DOE NETL Cummins

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The Demonstration of EPRI s TOXECON Process to Control Mercury Emissions From Coal-fired Utility Boilers Steven De

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    1. The Demonstration of EPRI’s TOXECON Process to Control Mercury Emissions From Coal-fired Utility Boilers Steven Derenne, Principal Engineer; David Michaud, Principal Environmental scientist

    2. TOXECON? Project Partners We Energies DOE NETL Cummins & Barnard, Inc. ADA-ES EPRI (holder of process patent)

    3. TOXECON? Demonstration Site Develop an integrate mercury and particulate matter emissions control system Also will evaluate strategy to reduce emissions of SO2 and NOX by more that 65% Develop an integrate mercury and particulate matter emissions control system Also will evaluate strategy to reduce emissions of SO2 and NOX by more that 65%

    4. TOXECON™ Configuration

    5. TOXECONTM Design Basis Results from pilot- and full-scale tests funded by the DOE-NETL and EPRI Pilot-scale proof of concept tests by EPRI NETL, Phase I-limited, full-scale Hg Control Tests –Plant Gaston COHPAC* -equipped Unit Year-long test at Plant Gaston-COHPAC operated in TOXECON configuration

    6. TOXECON-Fabric Filter Configuration 10 compartments; two “bundles” ( A, B ) per compartment Bundle configuration- 18 x 18 rows of bags or 324 bags / bundle Bags per compartment- 648 ( total-6,480 ) Design flow-1.2 million acfm FF air to cloth ratio-5.8

    7. Equipment Costs

    8. Anticipated Benefits of TOXECON? Project at PPIP

    12. Project Goals Achieve at least 90% mercury removal ( 85?8.5 lb ). Increase collection efficiency of PM, especially during upset conditions. Demonstrate mercury CEMs as a reliable mercury measuring system. Successfully integrate the entire system so that all subsystems are operating at peak performance. Determine viability of sorbent injection for SO2 and NOX control. Recover at least 90% of mercury captured in the PJBH ash. Minimize waste disposal with a target of 100% utilization.

    13. Mercury Continuous Emission Monitor (CEM )

    14. Initial Sorbent Injection Tests-Parametric Study-Late February,2006

    15. Preliminary Hg Removal Results

    16. Preliminary-Effect of Flue gas T

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