Evaluation of the biomethane potential of solid fish waste
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Evaluation of the biomethane potential of solid fish wasteDate
2012-07Citation
Eiroa M, Costa JC, Alves MM, Kennes C, Veiga MC. Evaluation of the biomethane potential of solid fish waste. Waste Manage. 2012;32(7):1347-52.
Abstract
Manufacturing processes in fish canning industries generate a considerable amount of solid waste that can be digested anaerobically. The aim of this research was to study the biochemical methane potential of different solid fish waste. For tuna, sardine and needle fish waste, around 0.47 g COD–CH4/g CODadded was obtained in batch experiments with 1%TS; whereas for mackerel waste, the methane production attained 0.59 g COD–CH4/g CODadded. The increase in the waste/inoculum ratio, from 1.1–1.3 to 2.8–3.3 g VSwaste/g VSinoculum, led to overload due to VFA and LCFA accumulation. Afterward, co-digestion assays of fish waste with gorse were undertaken but the biochemical methane potential did not improve.
Keywords
Anaerobic digestion
Biochemical methane potential
Fish waste
Gorse
Waste/inoculum ratio
Biochemical methane potential
Fish waste
Gorse
Waste/inoculum ratio