Low temperature pre-treatment of domestic sewage in an anaerobic hybrid or an anaerobic filter reactor.

@article{Elmitwalli2002LowTP,
  title={Low temperature pre-treatment of domestic sewage in an anaerobic hybrid or an anaerobic filter reactor.},
  author={Tarek A Elmitwalli and Vladimir Sklyar and Grietje Zeeman and Gatze Lettinga},
  journal={Bioresource technology},
  year={2002},
  volume={82 3},
  pages={233-9}
}
The pre-treatment of domestic sewage for removal of suspended solids (SS) at a process temperature of 13 degrees C and an hydraulic retention time (HRT) of 4 h was investigated in an anaerobic filter (AF) and anaerobic hybrid (AH) reactor. The AF and the top of the AH reactor consisted of vertical sheets of reticulated polyurethane foam (RPF) with knobs. All biomass in the AF was only in attached form to avoid clogging and sludge washout. The AF reactor showed a significantly higher removal of… CONTINUE READING

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