Biology Reference
In-Depth Information
protein and phosphate concentration was up to 70.0%, 71.4% and 70.4%,
2003).
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
50
100
150
200
250
Days
Ammonia 1
Nitrite
Ammonia 2
Fig. 9.4
Inorganic nirtrogen (ammonia and nitrite), and ammonia concentrations after 210
and 60 d of treatment, respectively (Ammonia 1: treatment with three denitrifying strains of
bacteria; Ammonia 2: treatment with microbial mats) (Barak and van Rijn, 2000; Bender et
al
.
, 2004).
12
10
8
6
4
2
0
0
50
100
150
200
250
Days
Nitrate
Phos phate
Oxygen
Fig. 9.5
Nitrate and phosphate, and oxygen concentrations after 210 and 60 d of treatment,
respectively (Nitrate and phosphate: treatment with three denitrifying strains of bacteria;
Oxygen: treatment with microbial mats) (Barak and van Rijn, 2000; Bender et al
.
, 2004).