Division BAT 71: In order to reduce waste water generation and the organic load discharged from the TDA plant to waste water treatment, BAT is to use a combination of techniques a., b. and c. and then to use technique d. as given below.
United Kingdom
| Technique | Description | Applicability | |
|---|---|---|---|
| a. | Evaporation | See Section 12.2 | Generally applicable |
| b. | Stripping | See Section 12.2 | |
| c. | Extraction | See Section 12.2 | |
| d. | Reuse of water | Reuse of water (e.g. from condensates or from scrubbing) in the process or in other processes (e.g. in a DNT plant). The extent to which water can be reused at existing plants may be restricted by technical constraints | Generally applicable |
Table 9.3
BAT-AEPL for discharge from the TDA plant to waste water treatment
| Parameter | BAT-AEPL(average of values obtained during 1 month) |
|---|---|
| Specific waste water volume | < 1 m3/t TDA produced |