Division BAT 14
United Kingdom
In order to prevent or reduce the generation of waste water, BAT is to use one or a combination of the techniques given below.
| Technique | Applicability | |
|---|---|---|
| a | Measure the amount of fresh water used and the amount of waste water discharged | Generally applicable |
| b | Reuse waste water from cleaning operations (including anode and cathode rinse water) and spills in the same process | Generally applicable |
| c | Reuse weak acid streams generated in a wet ESP and wet scrubbers | Applicability may be restricted depending on the metal and solid content of the waste water |
| d | Reuse waste water from slag granulation | Applicability may be restricted depending on the metal and solid content of the waste water |
| e | Reuse surface run-off water | Generally applicable |
| f | Use a closed circuit cooling system | Applicability may be restricted when a low temperature is required for process reasons |
| g | Reuse treated water from the waste water treatment plant | Applicability may be restricted by the salt content |