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  Indian J Med Microbiol
 

Figure 3: Nitrate removal efficiency as function of initial NO3 - concentration (current density: 2 A/cm2, contact time: 60 min, electrolyte dose: 2 g/L, and solution pH: 7)

Figure 3: Nitrate removal efficiency as function of initial NO<sub>3</sub> - concentration (current density: 2 A/cm<sup>2</sup>, contact time: 60 min,  electrolyte dose: 2 g/L, and solution pH: 7)