Division BAT 21 In order to reduce emissions of volatile organic compounds to air from the drying ovens for the impregnation of paper, BAT is to use one or a combination of the techniques given below.
United Kingdom
| Description of the technique is given in Section 1.4.1. | ||
| Technique | Applicability | |
|---|---|---|
| a | Select and use resins with a low formaldehyde content | Generally applicable |
| b | Controlled operation of ovens with balanced temperature and speed | |
| c | Thermal oxidation of waste gas in a regenerative thermal oxidiser or a catalytic thermal oxidiserf1 | |
| d | Post-combustion or incineration of waste gas in a combustion plant | Applicability may be restricted for existing installations where a suitable combustion plant is not available on site |
| e | Wet scrubbing of waste gas followed by treatment in a biofilter | Generally applicable |
Table 5
BAT-associated emission levels (BAT-AELs) for TVOC and formaldehyde emissions to air from a drying oven for the impregnation of paper
| Parameter | Unit | BAT-AELs(average over the sampling period) |
|---|---|---|
| TVOC | mg/Nm3 | 5–30 |
| Formaldehyde | mg/Nm3 | < 5–10 |
The associated monitoring is in BAT 14.
Annotations
Footnotes
- f1
-
Description of the technique is given in Section 1.4.1.
Notes on Division 1.2.1
Footnotes
- f1
-
When a bag filter or a cyclofilter is not applicable, the upper end of the range can be up to 10 mg/Nm3.