298 94 307/02 Untersuchungen zum Stand der Umsetzung des ...

Teil 3 Seite 7-7
Table 7-5 shows the pollutant loads. through production-integrated measures, the spe-
cific pollutant loads could be considerably reduced in recent years, and it was also possi-
ble to level the differences between summer and winter loads.
Table 7-5: Pollutant loads in TBA raw wastewater (without processing of blood, feathers,
Parameter Highest val-
or bones (prior to topped treatment plants)
ues (summer)
Average annual ranges
Lowest values Data accord-
ing to VDI
Data accord-
ing to ATV
COD (kg/t) 8-20 0,5-3,8 3-10 3-12
BOD5 (kg/t) 3-12 0,3-2,3 1,6-5 2-8
Solids (kg/t) - - - 1,3-2,2
Nitrogen total (kg/t) 1,3-2,7 0,1-0,7 0,6-1 0,5-1
P total (kg/t) - - -