N2O production in a single stage nitritation/anammox MBBR process

NH₄-N (mg/l)
300
250
200
150
100
50
0
091006 NH₄-N
0 20 40 60
NH₄-N in
(mg/l)
NH₄-N out
(mg/l)
NOx-N (mg/l)
45
40
35
30
25
20
15
10
5
0
091007 NOx-N
0 20 40 60
NOx-N in
(mg/l)
NOx-N out
(mg/l)
Time (min)
Time (min)
Figure D25.
Figure D28.
DO, NO₂-N (mg/l)
6
5
4
3
2
1
0
091006 DO, NO₂-N biosensor (mg/l)
0 20 40 60
NO₂-N
biosensor
(mg/l)
DO (mg/l)
DO, NO₂-N (mg/l)
7
6
5
4
3
2
1
0
091007 DO, NO₂-N biosensor (mg/l)
0 20 40 60
NO₂
biosensor
(mg/l)
DO (mg/l)
NO₂-N LCK
342 out
(mg/l)
Time (min)
Time (min)
Figure D26.
Figure D29.
300
091007 NH₄-N
300
091010 NH₄-N
250
250
NH₄-N (mg/l)
200
150
100
50
NH₄-N in
(mg/l)
NH₄-N out
(mg/l)
NH₄-N (mg/l)
200
150
100
50
NH₄-N in
(mg/l)
NH₄-N out
(mg/l)
0
0 20 40 60
0
0 20 40 60
Time (min)
Time (min)
Figure D27.
Figure D30.
81