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Table 1 Total cell count per liter volume of the three BAC filters

From: Quantification of microbial degradation activities in biological activated carbon filters by reverse stable isotope labelling

Day Cell number (1011/L)
Filter 1 Filter 2 Filter 3
82 7.7 ± 1.8 7.3 ± 2.6 7.4 ± 1.2
88 8.1 ± 2.7 7.3 ± 1.0 7.4 ± 0.8
95 8.6 ± 1.4 7.3 ± 1.0 8.2 ± 1.6
96 4.5 ± 0.9 4.7 ± 1.0 4.3 ± 0.8
103 8.6 ± 2.3 7.8 ± 2.6 7.0 ± 1.6
  1. The biomass densities were measured from activated carbon samples taken from the top surface of the filter beds. Data show means of three replicates ± standard deviation. Filters 1 and 2 were filled with granular activated carbon whereas filter 3 was filled with extruded activated carbon