http://www.cnr.it/ontology/cnr/individuo/prodotto/ID42291
ANAEROBIC DEGRADATION KINETICS OF PARTICULATE ORGANIC MATTER IN UNTREATED AND SONICATED SEWAGE SLUDGE: ROLE OF THE INOCULUM (Articolo in rivista)
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- ANAEROBIC DEGRADATION KINETICS OF PARTICULATE ORGANIC MATTER IN UNTREATED AND SONICATED SEWAGE SLUDGE: ROLE OF THE INOCULUM (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.biortech.2007.12.035 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- TOMEI M.C.; BRAGUGLIA C.M.; MININNI G. (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
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- Scopu (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- istituto di ricerca sulle acque (IRSA) (literal)
- Titolo
- ANAEROBIC DEGRADATION KINETICS OF PARTICULATE ORGANIC MATTER IN UNTREATED AND SONICATED SEWAGE SLUDGE: ROLE OF THE INOCULUM (literal)
- Abstract
- Degradation kinetics of particulate matter in anaerobic digestion of secondary sludge, untreated and sonicated, was investigated by carrying out batch tests at different feed/inoculum ratio (F/I) (in the range of 0.1-4.0). Particulate COD degradation data were analysed using the four equations most widely utilized to model the hydrolysis process and the related kinetic parameters were evaluated. The increase of F/I results in a correspondent increase of the process rate up to one order of magnitude in the investigated interval for both
untreated and sonicated sludge. The maximum step increase is observed in the range of 0.1-2.0 while for F/I varying from 2.0 to 4.0 only a modest enhancement of the process kinetics is detected. The effect of sonication on kinetics is not appreciable at low F/I, due to the low fraction of fed sludge and to the consequent strong substrate limitation, whereas at high F/I a slight increase is evidenced (literal)
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