Division BAT 5: In order to prevent or reduce dust emissions to air from process furnaces/heaters, BAT is to use one or a combination 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. | Atomisation of liquid fuels | Use of high pressure to reduce the droplet size of liquid fuel. Current optimal burner design generally includes steam atomisation | Generally applicable |
| c. | Fabric, ceramic or metal filter | See Section 12.1 | Not applicable when only combusting gaseous fuels |