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

Teil 3 Seite 4-59
tained in the exhaust air are organically disintegrated by micro-organisms (bacteria, fungi,
yeasts) living in the filter bed.
Table 4-16 Operational results regarding the bio-bed filter of Vereinigte Fischmehlwerke
Cuxhafen
Exhaust gas behind purifier (crude gas) Exhaust gas behind biofilter
(clean gas)
Mass concentration Mass concentration
Date: 30.08.2000 Measure-
ment 1
Measure-
ment 2
Measure-
ment 3
Measure-
ment 1
Measure-
ment 2
Measure-
ment 3
Time 9:55 - 10:55 10:40 -11:10 11:15- 11:45 9:55 - 10:55 10:40 -11:10 11:15- 11:45
Component [mg/l] [mg/l] [mg/l] [mg/l] [mg/l] [mg/l]
Total carbon (FID) 87 87 103 8,1 10,3 11,1
Total carbon (silica
gel + condensate)
97 87 98 9,4 14,9 15,9
Ammonia 42 40 43 19,3 15,8 18
Water vapour volatile
basic nitrogen com-
pounds
Non-water vapour
volatile basic nitrogen
compounds
33 37 36 9,7 7,4 11,2
25 30 27 6,6 6,2 7,7
[GE] [GE] [GE] [GE] [GE] [GE]
Odorants 89334 94646 103213 1969
2481 1656
Mass flow rates Mass flow rates
Flow volume [m³/h]n,tr [m³/h]n,tr [m³/h]n,tr [m³/h]n,tr [m³/h]n,tr [m³/h]n,tr
75.500 75.500 75.500 75.500 75.500 75.500
[kg/h] [kg/h] [kg/h] [kg/h] [kg/h] [kg/h]
Total carbon (FID) 6,56 6,56 7,78 0,61 0,78 0,84
Total carbon (silica
gel + condensate)
7,33 6,59 7,38 0,71 1,12 1,2
Ammonia 3,14 2,98 3,23 1,46 1,19 1,36
Water vapour volatile
basic nitrogen com-
pounds
Non-water vapour
volatile basic nitrogen
compounds
2,5 2,78 2,73 0,73 0,56 0,84
1,85 2,26 2,07 0,5 0,47 0,58
Odorants [MGE/h] [MGE/h] [MGE/h] [MGE/h] [MGE/h] [MGE/h]
7392 7832 8540 205 237 290