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Fig. 6 | Swiss Journal of Geosciences

Fig. 6

From: Impact of the electron donor on in situ microbial nitrate reduction in Opalinus Clay: results from the Mont Terri rock laboratory (Switzerland)

Fig. 6

Comparison of measured (blue triangles) and modeled concentrations of nitrate after injection in Interval 2 during stage I. The modeled results were obtained using the pore diffusion coefficient of bromide (1.0 × 10−11 m2 s−1), derived from the second bromide tracer diffusion test carried out in 2015. Either only diffusion (red) or a combination of diffusion and nitrate reactivity (green) were taken into account in the model to fit the measured data

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