Anaerobic treatment of low-strength municipal wastewater by a two-stage pilot plant under psychrophilic conditions.

@article{lvarez2008AnaerobicTO,
  title={Anaerobic treatment of low-strength municipal wastewater by a two-stage pilot plant under psychrophilic conditions.},
  author={Juan A. {\'A}lvarez and Eve Armstrong and Mar{\'i}a G{\'o}mez and Manuel Soto},
  journal={Bioresource technology},
  year={2008},
  volume={99 15},
  pages={7051-62}
}
A two-stage anaerobic treatment pilot plant was tested for the treatment of raw domestic wastewater under temperatures ranging from 21 to 14 degrees C. The plant consisted of a hydrolytic upflow sludge bed (HUSB) digester (25.5m3) followed by an upflow anaerobic sludge blanket (UASB) digester (20.36m3). The hydraulic retention time (HRT) varied from 5.7 to 2.8h for the first stage (HUSB digester) and from 13.9 to 6.5h for the second stage (UASB digester). Total suspended solids (TSS), total… CONTINUE READING

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