ADES » Topics » Task 3.5. Long-Term Test

This excerpt taken from the ADES 10-K filed Mar 14, 2008.

Task 3.5. Long-Term Test

After approval from the DOE COR, the selected sorbent identified in Task 3.4 will be continuously injected into the flue gas over a period of 11 months. This shall be done in conjunction with any operating changes or enhancement additives agreed to in Task 3.4. This test period shall evaluate whether the mercury control scheme develops any long-term operational problems and whether mercury control is sustainable. Potential operational impacts that will be monitored include degradation of SDA or FF performance, injection system performance, or SCR performance if enhancement additives are used.

Long-term test measurements shall include a full suite of flue gas and solid sample measurements. These shall include SDA inlet and FF outlet Hg CEM measurements, particulate, halogens, and ammonia measurements. The accuracy of the Hg CEM will be verified during these tests with an appropriate reference method, such as the Ontario Hydro method. It is the intent of the test team to operate the stack CEM as a compliance mercury CEM using the QA/QC procedures outlined in the CAMR and compliance monitoring requirements included in 40 CFR Part 60.49a. If the analyzer does not meet all certification



requirements, the reference method check will be conducted at least three times during the long-term program. If a mercury CEM is approved as an instrumental reference method under 40 CFR Part 75.22 by the EPA Administrator, such instrumental method may be substituted for the Ontario Hydro measurements in this project with permission of DOE and team members.

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