Division BAT 93
United Kingdom
In order to prevent or reduce diffuse emissions from remelting, refining and casting in primary and secondary lead and/or tin production, BAT is to use a combination of the techniques given below.
| Technique | |
|---|---|
| a | Hood on the crucible furnace or kettle with an air extraction system |
| b | Lids to close the kettle during the refining reactions and addition of chemicals |
| c | Hood with air extraction system at launders and tapping points |
| d | Temperature control of the melt |
| e | Closed mechanical skimmers for removal of dusty dross/residues |