N2O production in a single stage nitritation/anammox MBBR process

Appendix D
Nitrogen grab samples
090913 NH₄-N
090913 DO, NO₂-N biosensor, NO₂-N LCK 342
NH₄-N (mg/l)
300
250
200
150
100
50
NH₄-N in
(mg/l)
NH₄-N out
(mg/l)
DO, NO₂-N (mg/l)
12
10
8
6
4
2
NO₂-N out
(mg/l)
NO₂-N
biosensor
(mg/l)
DO (mg/l)
0
0
0 20 40 60
0 20 40 60
Time (min)
Time (min)
Figure D1.
Figure D4.
090913 NO₃-N
090918 NH₄-N
40
350
NO₃-N (mg/l)
35
30
25
20
15
10
5
0
NO₃-N in
(mg/l)
NO₃-N out
(mg/l)
NH₄-N (mg/l)
300
250
200
150
100
50
0
NH₄-N in
(mg/l)
NH₄-N out
(mg/l)
0 20 40 60
0 20 40 60
Time (min)
Time (min)
Figure D2.
Figure D5.
090913 NO₂-N
090918 NOx-N
NO₂-N (mg/l)
30
25
20
15
10
5
0
NO₂-N in
(mg/l)
NO₂-N out
(mg/l)
NOx-N (mg/l)
50
45
40
35
30
25
20
15
10
5
0
NOx-N in
NOx-N ut
0 20 40 60
0 20 40 60
Time (min)
Time (min)
Figure D3.
Figure D6.
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