Table 1 Flue gas treatment process and production conditions maintained at the coking furnaces A, B, C, and D during the test.
Name of coking furnaces | The designed production capacity/(ten thousand t a−1) | Operating load/% | Flue gas treatment technology | Temperature of flue gas in stack/°C | Flue gas emission rate/(ten thousand m3 h−1) |
|---|---|---|---|---|---|
A | 150 | 86 | Activated carbon—flue gas countercurrent integrated purification technology + spray ammonia | 159 | 18 |
B | 150 | 86 | 110 | 18 | |
C | 70 | 100 | selective catalytic reduction (SCR)denitrification + wet limestone-gypsum desulfurization (spraying NaOH solution) | 80 | 16 |
D | 60 | 100 | 120 | 14 |