Combined chemical and biological degradation of tannery wastewater by a periodic submerged filter (SBBR)' (Articolo in rivista)

Type
Label
  • Combined chemical and biological degradation of tannery wastewater by a periodic submerged filter (SBBR)' (Articolo in rivista) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S0043-1354(01)00445-6 (literal)
Alternative label
  • DI IACONI C. (1), LOPEZ A. (2), RAMADORI R. (3), DI PINTO A.C. (4), PASSINO R. (5) (2002)
    Combined chemical and biological degradation of tannery wastewater by a periodic submerged filter (SBBR)'
    in Water research (Oxf.)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • DI IACONI C. (1), LOPEZ A. (2), RAMADORI R. (3), DI PINTO A.C. (4), PASSINO R. (5) (literal)
Pagina inizio
  • 2205 (literal)
Pagina fine
  • 2214 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 36 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR - Istituto di Ricerca sulle Acque (literal)
Titolo
  • Combined chemical and biological degradation of tannery wastewater by a periodic submerged filter (SBBR)' (literal)
Abstract
  • The paper reports on the results of an investigation aimed to evaluate the performances of an innovative tannery wastewater process based on the combining biological degradation, carried out in a sequencing batch biofilm reactor, with chemical oxidation, performed by ozone. The combined treatment was carried out at the laboratory scale on real primary effluent coming from a centralised plant treating the wastewater from a large tanning district in Northern Italy. SBBR performances with and without ozonation were compared resulting to be very satisfactory only in the latter instance where recorded COD, NH4-N and TSS average removals were 97%, 98% and 99.9%, respectively. Such efficiencies correspond to specific concentrations in treated effluent well below the limit values fixed by the in-force Italian regulations. Furthermore, it was proved that the combined process is characterised by a very low sludge production. In fact, the measured specific sludge production (0.03 kg TSS/kg CODremoved) resulted unexpectedly much more lower than the value reported for conventional biological systems (i.e., 0.3-0.5 kg TSS/kg CODremoved). (literal)
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