Summary of Results
The N2O results are presented in Table 1 below. The full set of test data is shown in Appendix 1 along with trend data obtained during the test period.
The measured N2O emission concentrations in the exhaust flue were at the detection limits for the low and modulation firing modes. The high fire mode resulted in measured values above the detection limit and these peaks can be seen in the real-time trend data in Appendix 1.
The increase in N2O emission concentrations during the high fire period are consistent with the emissions data from the NOx and oxygen measurements (increased NOx, reduced oxygen).
|Time||Operational Mode||Average N2O Result|
|N2O (mg/kWh)||CO2e kg/kWh|
|10:30 – 10:51||Modulation||0.00||0.00000|
|11:07 – 11:31||Low Fire||0.00||0.00000|
|11:36 – 12:05||Low Fire||0.00||0.00000|
|12:22 – 12:32||Low Fire||0.00||0.00000|
|12:42 – 12:55||High Fire||0.50||0.00013|
|13:04 – 13:22||High Fire||0.74||0.00020|
Table 2. - Estimated Annual Emission (N2O)
Weighted average: 0.272 N2O (mg/kWh)
Weighted CO2 equivalent: 0.00007 CO2e kg/kWh
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