Show simple item record

dc.contributor.authorRipoll Morales, Vanessa
dc.contributor.authorAgabo-García, Cristina
dc.contributor.authorPerez, Montserrat
dc.contributor.authorSolera, Rosario
dc.description.abstractCo-digestion of sewage sludge (SS) with other unusually treated residues has been reported as an efficient method to improve biomethane production. In this work, Sherry-wine distillery wastewater (SW-DW) has been proposed as co-substrate in order to increase biomethane production and as a breakthrough solution in the management of both types of waste. In order to achieve this goal, different SS:SW-DW mixtures were employed as substrates in Biomethane Potential (BMP) tests. The biodegradability and biomethane potential of each mixture was determined selecting the optimal co-substrate ratio. Results showed that the addition of SW-DW as a co-substrate improves the anaerobic digestion of SS in a proportionally way in terms of CODs and biomethane production The optimal co-substrates ratio was 50:50 of SS:SW-DW obtaining %VSremoval = 54.5%; YCH4 = 225.1 L CH4/kgsv or 154 L CH4/kgCODt and microbial population of 5.5 times higher than sole SS. In this case, %VSremoval = 48.1%; YCH4 = 183 L CH4/kgsv or 135 L CH4/kgCODt. The modified Gompertz equation was used for the kinetic modelling of biogas production with successful fitting results (r2 = 0.99). In this sense, at optimal conditions, the maximum productivity reached at an infinite digestion time was () = 229 ± 5.0 NL/kgSV; the specific constant was K = 25.0 ± 2.3 NL/kgSV·d and the lag phase time constant was (λ) = 2.49 ±
dc.publisherJournal of Cleaner Productionspa
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.subjectBiochemical methane potentialspa
dc.subjectAnaerobic digestion and co-digestionspa
dc.subjectSewage sludgespa
dc.subjectKinetic parametersspa
dc.subjectBiogas productionspa
dc.titleImprovement of biomethane potential of sewage sludge anaerobic co-digestion by addition of “sherry-wine” distillery
dc.description.extent569 KBspa

Files in this item

1.- Improvement of biomethane ...568.8KbPDFView/Open

This item appears in the following Collection(s)

Show simple item record

Atribución-NoComercial-SinDerivadas 3.0 España
Except where otherwise noted, this item's license is described as Atribución-NoComercial-SinDerivadas 3.0 España