Microaerated UASB reactor treating textile wastewater: The core microbiome and removal of azo dye Direct Black 22.

@article{Carvalho2019MicroaeratedUR,
  title={Microaerated UASB reactor treating textile wastewater: The core microbiome and removal of azo dye Direct Black 22.},
  author={J. R. S. Carvalho and F. Amaral and L. Florencio and M. Kato and T. Delforno and S. Gavazza},
  journal={Chemosphere},
  year={2019},
  volume={242},
  pages={
          125157
        }
}
Sequential anaerobic and aerobic processes have been recommended to treat textile wastewater reliably. In this work, the focus was on finding an energetically more competitive system to remove tetra-azo dye Direct Black 22 (DB22). We operated two upflow anaerobic sludge blanket (UASB) reactors (R1 and R2) in three phases (PI, PII, and PIII). R1 was operated as a conventional UASB, while R2 was microaerated in the upper part (0.18 ± 0.05 mg O2. L-1), aiming to remove DB22 simultaneously with the… Expand

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