Table 31.3 - Options for sulphur dioxide control in public power generation plants and other large combustion boilers
Source: Compiled by NILU
Source type | Typical SO2 emissions (g/GJ) | Installed capacity (MWh) | Investment cost (ECU/kWh) | Operating cost (ECU/kWh) |
---|---|---|---|---|
Uncontrolled: | ||||
Hard coal | 5001000 |   |   |   |
Brown coal | 5004000 |   |   |   |
Heavy oil | 8001500 |   |   |   |
Controlled: | ||||
Additive injection | 1401400 |   | 1030 | 0.0020.005 |
Wet scrubbing | <140 | 194 000 | 30100 | 0.0050.013 |
Spray dry absorption | <140 | 16 000 | 2090 | 0.0050.012 |
Ammonium scrubbing | 40400 | 2000 | 100 | 0.0050.012 |
WellmanLord | <140 | 2000 | 150250 | 0.0080.018 |
Activated carbon | <140 | 700 | 100120 | 0.0060.007 |
Combined catalytic | <140 | 1300 | 80120 | 0.0020.003 |
Fluidised bed combustion | <400 | 30 000 |   |   |