Division BAT 6: In order to prevent or reduce SO2 emissions to air from process furnaces/heaters, BAT is to use one or both of the techniques given below.
United Kingdom
| Technique | Description | Applicability | |
|---|---|---|---|
| a. | Choice of fuel | See Section 12.3. This includes switching from liquid to gaseous fuels, taking into account the overall hydrocarbon balance | The switch from liquid to gaseous fuels may be restricted by the design of the burners in the case of existing plants |
| b. | Caustic scrubbing | See Section 12.1 | Applicability may be restricted by space availability |