Division BAT 42: In order to prevent or reduce the amount of waste tar being sent for disposal from the distillation unit of ethylbenzene production, BAT is to use one or a combination of the techniques given below.
United Kingdom
| Technique | Description | Applicability | |
|---|---|---|---|
| a. | Material recovery (e.g. by distillation, cracking) | See BAT 17c | Only applicable where there are available uses for these recovered materials |
| b. | Use of tar as an absorbent for scrubbing | See section 12.1. Use the tar as an absorbent in the scrubbers used in styrene monomer production by ethylbenzene dehydrogenation, instead of commercial organic solvents (see BAT 38b). The extent to which tar can be used depends on the scrubber capacity | Generally applicable |
| c. | Use of tar as a fuel | See BAT 17e | Generally applicable |