540
J. Lohmann
Capacity [ k g B 0 D 5/ h ] — □
Fig. 5
Cost comparison of trickling filter and activated sludge processes at η = 75 %, C § = f (F, C ί Q D )
Capacity(kgBOD5/h)
Fig. 6
Cost comparison of trickling filter and activated sludge processes at 17 = 95 %, C = f (F, CgQ^ )
0
0,
1
0, 2
0. 3
0/.
0. 5
0. 6
0
7
V2
^
Efficiency [%]
0, 9
1,
0
1\
Fig. 7
Specific BOD reduction costs of the combined trickling filter/activated sludge process
C s = f (T?i, T? 2 , F) at C B 0 D s = 5000 mg/1; r? 0 = 95 %
J. Lohmann
Capacity [ k g B 0 D 5/ h ] — □
Fig. 5
Cost comparison of trickling filter and activated sludge processes at η = 75 %, C § = f (F, C ί Q D )
Capacity(kgBOD5/h)
Fig. 6
Cost comparison of trickling filter and activated sludge processes at 17 = 95 %, C = f (F, CgQ^ )
0
0,
1
0, 2
0. 3
0/.
0. 5
0. 6
0
7
V2
^
Efficiency [%]
0, 9
1,
0
1\
Fig. 7
Specific BOD reduction costs of the combined trickling filter/activated sludge process
C s = f (T?i, T? 2 , F) at C B 0 D s = 5000 mg/1; r? 0 = 95 %