N2O production in a single stage nitritation/anammox MBBR process

NOx-N (mg/l)
12
10
8
6
4
2
0
091016 NO₂-N
0 20 40 60
NO₂-N in
(mg/l)
NO₂-N out
(mg/l)
DO, NO₂-N (mg/l)
12
10
8
6
4
2
0
091017 DO, NO₂-N biosensor (mg/l),
0 20 40 60
NO₂-N
biosensor
(mg/l)
DO (mg/l)
NO₂-N out
(mg/l)
Time (min)
Time (min)
Figure D49.
Figure D52.
350
091017 NH₄-N
35
091017 NO₃-N
300
30
NH₄-N (mg/l)
250
200
150
100
50
NH₄-N in
(mg/l)
NH₄-N out
(mg/l)
NOx-N (mg/l)
25
20
15
10
5
NO₃-N in
(mg/l)
NO₃-N out
(mg/l)
0
0 20 40 60
0
0 20 40 60
Time (min)
Time (min)
Figure D50.
Figure D53.
70
091017 NOx-N
12
091017 NO₂-N
NOx-N (mg/l)
60
50
40
30
20
10
NOx-N in
(mg/l)
NOx-N out
(mg/l)
NOx-N (mg/l)
10
8
6
4
2
NO₂-N in
(mg/l)
NO₂-N out
(mg/l)
0
0 20 40 60
0
0 20 40 60
Time (min)
Time (min)
Figure D51.
Figure D 54
85