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Kinetics of mesophilic anaerobic digestion of the organic fraction of municipal solid waste: Influence of initial total solid concentration by J. Fernández; M. Pérez; L.I. Romero is a Engineering article available to read on EtoBox.
What is Kinetics of mesophilic anaerobic digestion of the organic fraction of municipal solid waste: Influence of initial total solid concentration about?
The anaerobic mesophilic degradation of municipal waste has been studied in discontinuous lab-reactors with two different initial concentrations of OFMSW: R20, with 931.1 mg DOC/L (20% TS), and R30, with 1423.4 mg DOC/L (30% TS). The anaerobic digestion process was favoured when it was carried on material with a total solids content of 20% in comparison to a similar process with 30% TS. A higher level of organic matter, in terms of DOC and VFA, 18.18% and 8.09% respect, was removed in the system with the lower amount of solids. The kinetics parameters showed higher active biomass and a higher coefficient for the production of methane at the lower loading. The highest maximum specific growth rate for the microorganisms (l MAX ) in the reactors with 20% TS, a value of 0.192 d À1 , was achieved in comparison to 0.131 d À1 in the reactors with 30% TS. The inverse of the F:M ratio was higher in the R20 system with a value of 0.0104 (cf. 0.0006 in R30) and, as a result, the R30 system required longer hydrolytic and acidogenic stages. X V 0 =Y X=S and the yield coefficient for product generation (a P/S ) were higher, by around 53%, for the R20 digester.
Who reads Kinetics of mesophilic anaerobic digestion of the organic fraction of municipal solid waste: Influence of initial total solid concentration?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- J. Fernández; M. Pérez; L.I. Romero
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0960-8524)
- Published
- 2010
- Language
- EN
- Field
- Engineering (Physical Sciences)