Division 3.3 Waste
United Kingdom
BAT 19. In order to reduce the quantity of waste sent for disposal, BAT is to use one or both of the techniques given below.
| Technique | Description | |
|---|---|---|
| (a) | Recovery and (re)use of yeast after fermentation | After fermentation, yeast is collected and can be partially reused in the fermentation process and/or may be further used for multiple purposes, e.g. as animal feed, in the pharmaceutical industry, as a food ingredient, in an anaerobic waste water treatment plant for biogas production. |
| (b) | Recovery and (re)use of natural filter material | After chemical, enzymatic or thermal treatment, natural filter material (e.g. diatomaceous earth) may be partially reused in the filtration process. Natural filter material can also be used, e.g. as a soil improver. |