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Anaerobic digestion of the liquid fraction of dairy manure in pilot plant for biogas production: Residual methane yield of digestate

Tipo de material: TextoTextoSeries ; Waste Management, 31(9), p.2167-2173, 2011Trabajos contenidos:
  • Rico, C
  • Rico, J.L
  • Tejero, I
  • Munoz, N
  • Gomez, B
Tema(s): Recursos en línea: Resumen: The performance of the only dairy manure biogas plant in Cantabria (Northern coast of Spain)was evaluated in terms of liquid-solid separation and anaerobic digestion of the liquid fraction. Screened liquid fraction was satisfactorily treated in a CSTR digester at HRTs from 20 to 10 days with organic loading rates ranging from 2.0 to 4.5 kg VS/(m3 d). Stable biogas productions from 0.66 to 1.47 m3/(m3 d)were achieved. Four anaerobic effluents collected from the digester at different HRTs were analyzed to measure their residual methane potentials, which ranged from 12.7 to 102.4 L/g VS. These methane potentials were highly influenced by the feed quality and HRT of the previous CSTR anaerobic digestion process. Biomethanization of the screened liquid fraction of dairy manure from intensive farming has the potential to provide up to 2
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The performance of the only dairy manure biogas plant in Cantabria (Northern coast of Spain)was evaluated in terms of liquid-solid separation and anaerobic digestion of the liquid fraction. Screened liquid fraction was satisfactorily treated in a CSTR digester at HRTs from 20 to 10 days with organic loading rates ranging from 2.0 to 4.5 kg VS/(m3 d). Stable biogas productions from 0.66 to 1.47 m3/(m3 d)were achieved. Four anaerobic effluents collected from the digester at different HRTs were analyzed to measure their residual methane potentials, which ranged from 12.7 to 102.4 L/g VS. These methane potentials were highly influenced by the feed quality and HRT of the previous CSTR anaerobic digestion process. Biomethanization of the screened liquid fraction of dairy manure from intensive farming has the potential to provide up to 2

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