Table 2 Important parameters of stack gas in coal-fired power plant investigated
Campaign | Boiler | Temperature (℃) | Gas velocity (m s−1) | CO (ppm) | CO2 (%) | O2 (%) | Gaseous Hg (µg Nm−3) |
|---|---|---|---|---|---|---|---|
A | I | 105 | 23.3 | 18.1 | 13.4 | 5.2 | 0.20 |
II | 108 | 24.1 | 25.3 | 12.7 | 5.3 | 0.27 | |
III | 106 | 23.9 | 24.3 | 13.2 | 5.3 | 0.27 | |
B | I | 112 | 24.8 | 16.8 | 13.5 | 5.2 | 0.13 |
II | 111 | 24.6 | 29.6 | 13.4 | 4.9 | 0.24 | |
III | 113 | 24.7 | 11.9 | 13.6 | 4.7 | 0.10 | |
C | I | 111 | 24.3 | 21.0 | 13.3 | 4.7 | 0.18 |
II | 96.1 | 14.0 | 60.5 | 11.6 | 6.5 | 0.04 | |
III | 111 | 24.9 | 21.1 | 13.2 | 5.0 | 0.35 |