Division BAT 32 In order to prevent or reduce NOX emissions to air from the combustion of HFO and/or gas oil in reciprocating engines, BAT is to use one or a combination of the techniques given below.
United Kingdom
| Technique | Description | Applicability | |
|---|---|---|---|
| a. | Low-NOX combustion concept in diesel engines | See descriptions in Section 8.3 | Generally applicable |
| b. | Exhaust-gas recirculation (EGR) | Not applicable to four-stroke engines | |
| c. | Water/steam addition | Applicable within the constraints of water availability. The applicability may be limited where no retrofit package is available | |
| d. | Selective catalytic reduction (SCR) | Not applicable to combustion plants operated < 500 h/yr. There may be technical and economic restrictions for retrofitting existing combustion plants operated between 500 h/yr and 1 500 h/yr. Retrofitting existing combustion plants may be constrained by the availability of sufficient space | |
Notes on Division 3.2
Footnotes
- f1
-
As defined in point 26 of Article 2 of Directive 2009/72/EC.
- f2
-
As defined in point 27 of Article 2 of Directive 2009/72/EC.