Division BAT 104
United Kingdom
In order to reduce the quantities of waste sent for disposal from primary lead production, BAT is to organise operations on site so as to facilitate process residues reuse or, failing that, process residues recycling, including by using one or a combination of the techniques given below.
| Technique | Applicability | |
|---|---|---|
| a | Reuse of the dust from the dust removal system in the lead production process | Generally applicable |
| b | Se and Te recovery from wet or dry gas cleaning dust/sludge | The applicability can be limited by the quantity of mercury present |
| c | Ag, Au, Bi, Sb and Cu recovery from the refining dross | Generally applicable |
| d | Recovery of metals from the waste water treatment sludge | Direct smelting of the waste water treatment plant sludge might be limited by the presence of elements such as As, Tl and Cd |
| e | Addition of flux materials that make the slag more suitable for external use | Generally applicable |