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Figure 1

From: Characterization of Product and Potential Mechanism of Cr(VI) Reduction by Anaerobic Activated Sludge in a Sequencing Batch Reactor

Figure 1

Effect of Cr(VI) on the CODCr, NO3-N, NO2-N and Cr(VI) removal in the anaerobic reactor. Variations of (a) CODCr, (b) NO3-N, (c) NO2-N and (d) Cr concentrations in the influent and effluent under different Cr(VI) concentrations. The Cr(VI) concentrations were 0.0, 2.5, 5.0, 10.0, 15.0, 20.0, 30.0, 50.0, 80.0 and 120.0 mg l−1, corresponding to the phase 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9, respectively.

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