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Bioremediation of a diesel fuel contaminated aquifer : simulation studies in laboratory aquifer columns

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Academic year: 2021

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Figure

Fig.  1.  Schematic  of  column  set-up  and  sampling  ports  (A).  Solid circles  indicate  sampling  ports  used  for  chemical  measurements
Fig. 2. Arithmetic means of 8-11  concentration profiles of 0 2 , NO3  and NO2  (A) and LlDIC ( = increase of  DIC relative to concentration in inlet) and DOC (B)
Fig. 3.  GC analysis  of the aquifer material  at the start of the  experiment (A)  and after 96 days in slice 0-2.25  cm (B), slice 13.5-19.5  cm (C)  and slice 31.5-40.5  cm  (D)
Fig. 4. Overall carbon balance within 96 days of column operation.

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