Landfill gas generation after mechanical biological tretment of municipal solid waste. Estimation of gas generation rate constants (Articolo in rivista)

Type
Label
  • Landfill gas generation after mechanical biological tretment of municipal solid waste. Estimation of gas generation rate constants (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.wasman.2008.08.016 (literal)
Alternative label
  • De Gioannis G., Muntoni A., Cappai G., Milia S. (2009)
    Landfill gas generation after mechanical biological tretment of municipal solid waste. Estimation of gas generation rate constants
    in Waste management (Elmsford)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • De Gioannis G., Muntoni A., Cappai G., Milia S. (literal)
Pagina inizio
  • 1026 (literal)
Pagina fine
  • 1034 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 29(3) (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Geoingegneria e Tecnologie Ambientali (DIGITA) dell'Universit√† di Cagliari (literal)
Titolo
  • Landfill gas generation after mechanical biological tretment of municipal solid waste. Estimation of gas generation rate constants (literal)
Abstract
  • Mechanical biological treatment (MBT) of residual municipal solid waste (RMSW) was investigated with respect to landfill gas generation. Mechanically treated RMSW was sampled at a full-scale plant and aerobically stabilized for 8 and 15 weeks. Anaerobic tests were performed on the aerobically treated waste (MBTW) in order to estimate the gas generation rate constants (k.y(-1)), the potential gas generation capacity (L(o), Nl/kg) and the amount of gasifiable organic carbon. Experimental results show how MBT allowed for a reduction of the non-methanogenic phase and of the landfill gas generation potential by, respectively, 67% and 83% (8 weeks treatment), 82% and 91% (15 weeks treatment), compared to the raw waste. The amount of gasified organic carbon after 8 weeks and 15 weeks of treatment was equal to 11.01 +/- 1.25 kg C/t(MBTW) and 4.54 +/- 0.87 kg C/t(MBTW), respectively, that is 81% and 93% less than the amount gasified from the raw waste. The values of gas generation rate constants obtained for MBIW anaerobic degradation (0.0347-0.0803 y(-1)) resemble those usually reported for the slowly and moderately degradable fractions of raw MSW. Simulations performed using a prediction model support the hypothesis that due to the low production rate, gas production from MBIW landfills is well-suited to a passive management strategy. (literal)
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