Abstract：
:An optimisation protocol for maximising methane production by anaerobic co-digestion of several wastes was carried out. A linear programming method was utilised to set up different blends aimed at maximising the total substrate biodegradation potential (L CH(4)/kg substrate) or the biokinetic potential (L CH(4)/kg substrate d). In order to validate the process, three agro-industrial wastes were considered: pig manure, tuna fish waste and biodiesel waste, and the results obtained were validated by experimental studies in discontinuous assays. The highest biodegradation potential (321 L CH(4)/kg COD) was reached with a mixture composed of 84% pig manure, 5% fish waste and 11% biodiesel waste, while the highest methane production rate (16.4 L CH(4)/kg COD d) was obtained by a mixture containing 88% pig manure, 4% fish waste and 8% biodiesel waste. Linear programming was proved to be a powerful, useful and easy-to-use tool to estimate methane production in co-digestion units where different substrates can be fed.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Alvarez JA,Otero L,Lema JMdoi
10.1016/j.biortech.2009.09.061subject
Has Abstractpub_date
2010-02-01 00:00:00pages
1153-8issue
4eissn
0960-8524issn
1873-2976pii
S0960-8524(09)01276-0journal_volume
101pub_type
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