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. Author manuscript; available in PMC: 2019 May 15.
Published in final edited form as: Environ Sci Technol. 2018 May 3;52(10):5771–5781. doi: 10.1021/acs.est.8b01122

Figure 2.

Figure 2.

Simulation and experimental results for three Acidovorax strains BoFeNl, 2AN, and TPSY as well as Paracoccus denitrificans strain Pd 1222 and Pseudogulbenkiania strain 2002. Symbols represent observed concentrations for total Fe(II) (red circle), nitrate (blue down triangle), acetate (yellow up triangle), nitrite (yellow square), and biomass (filled green diamonds) from Klueglein and Kappler,16 Chakraborty et al.,14 and Carlson et al.24 Simulations Sla (solid black line), Slb (dashed black line), and Slc (dash dot black line) were compared against S2 (solid red/gold line). All model results are similar for parameters presented in rows 2 and 4 to 6 and are therefore excluded to improve figure clarity. The fifth row presents the kinetic factors FA and FD (red and blue, respectively) and the thermodynamic potential factor FT (green). The sixth row presents the contribution of chemodenitrification (red hatches) and enzymatic NDFO (blue hatches) to overall Fe(II) oxidation. Biomass subject to encrustation is provided (solid black line) as well as uninhibited biomass for reference (solid green line).