N2O production in a single stage nitritation/anammox MBBR process

300
090926 Prolonged unaerated period NH₄-N
60
090927 Prolonged unaerated period NOx-N
250
50
NH₄-N (mg/l)
200
150
100
50
NH₄-N in
(mg/l)
NH₄-N out
(mg/l)
NOx-N (mg/l)
40
30
20
10
NOx-N in
(mg/l)
NOx-N out
(mg/l)
0
0 50 100 150 200
0
0.00 50.00 100.00 150.00 200.00
Time (min)
Time (min)
Figure D19.
Figure D22.
NOx-N (mg/l)
50
45
40
35
30
25
20
15
10
5
0
090926 Prolonged unaerated period NOx-N
0 50 100 150 200
Time (min)
Figure D20.
NOx-N in
(mg/l)
NOx-N out
(mg/l)
NOx-N (mg/l)
60
50
40
30
20
10
0
090927 Prolonged unaerated period NOx-N
0.00 50.00 100.00 150.00 200.00
Time (min)
Figure D23.
NOx-N in
(mg/l)
NOx-N out
(mg/l)
DO, NO₂-N (mg/l)
9
8
7
6
5
4
3
2
1
0
090926 Prolonged unaerated period DO, NO₂-N
biosensor (mg/l)
0 50 100 150 200
Time (min)
Figure D21.
NO₂-N
biosensor
(mg/l)
DO (mg/l)
DO, NO₂-N (mg/l)
090927 Prolonged unaerated period DO, NO₂-N
biosensor (mg/l), NO₂-N LCK 342
10
8
6
4
2
0
0.00 50.00 100.00 150.00 200.00
Time (min)
Figure D24.
NO₂-N
biosensor
(mg/l)
80