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Table 3 Analytical results of vial tests

From: Use of in-vitro experimental results to model in-situ experiments: bio-denitrification under geological disposal conditions

Series Run Time (d) 0 0.2 1 3 7 10 14 20 22 30 50
   Item  
B 5 pH 8.0    7.8 7.8 7.9   8.0   8.0  
NO3 (mmol/dm3) 0.50 0   0.35 0.25 0.25   0.20   0.15  
Relative growth rate *1 1.0    2.5 0.5 0.9   0.3   0.3  
6 pH 8.0    7.7 7.8 7.9   7.9   8.1  
NO3 (mmol/dm3) 0.50    0.35 0.30 0.30   0.20   0.15  
Relative growth rate 1.0    1.8 0.5 0.8   0.3   0.2  
7 pH 8.0    7.7 7.8 7.8   7.9   8.0  
NO3 (mmol/dm3) 0.55    0.35 0.30 0.25   0.20   0.10  
Relative growth rate 1.0    1.1 0.3 0.4   0.2   0.2  
D 12 pH 8.0 7.0 8.0 8.3 8.8       
NO3 (mmol/dm3) 50 43 3 2 2       
Relative growth rate 1.0 3.10 3.30 0.10 0.30       
13 pH 8.0 7.9 8.4 8.7 8.9       
NO3 (mmol/dm3) 50 43 45 43 38       
Growth rate 1.0 0.59 0.87 1.90 0.16       
E 14 pH 8.0   9.2 8.9 8.7 8.6 8.6   8.3 8.7 8.6
NO3 (mmol/dm3) 10   10.4 10.1 9.54 10.5 10.4   10.4 10.1 10.4
Relative growth rate 1.00   1.20 0.61 0.43 0.28 0.28   0.17 0.09 0.07
N2 (mmol/dm3)            0.14
15 pH 8.0   9.1 9.0 8.8 8.8 8.7   8.7 8.8 8.8
NO3 (mmol/dm3) 10   10.3 10.6 10.3 10.6 10.5   10.4 10.3 10.7
Relative growth rate 1.00   1.26 0.71 0.46 0.34 0.27   0.18 0.11 0.08
N2 (mmol/dm3)            0.24
  1. *1 Population of microorganisms relative to the initial solution.