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Revista internacional de contaminación ambiental
versión impresa ISSN 0188-4999
Resumen
SARABIA MENDEZ, Marco Antonio; LAINES CANEPA, José Ramón; SOSA OLIVIER, José Aurelio y ESCALANTE ESPINOSA, Erika. PRODUCTION OF BIOGAS BY ANAEROBIC CODIGESTION OF SHEEP FECES AND RUMEN ADDED WITH WASTEWATER PLANT SLUDGE. Rev. Int. Contam. Ambient [online]. 2017, vol.33, n.1, pp.109-116. ISSN 0188-4999. https://doi.org/10.20937/rica.2017.33.01.10.
Nowadays, new energy production sources are needed. Also, there is an increase in agricultural waste, which represents an environmental problem. The purpose of the present study was to compare the anaerobic digestion of sheep manure feces with the anaerobic co-digestion of sheep feces + wastewater sludge, and with the anaerobic co-digestion of sheep feces + rumen. The results showed that the treatment T1 (sheep feces + wastewater sludge) produced a lower quantity of biogas, 35.47 L, compared to the treatment T2 (sheep feces + rumen) and treatment T3 (sheep feces only), with 42.14 L and 43.83 L, respectively. Statistical analysis of the biogas composition showed that the values of CH4 and CO2 were not significantly different (P = 0.5660 and 0.2589). The values for H2S (P = 0.0379), showed that the concentration was less in treatment T1 than in treatment T3. If these agricultural wastes are used appropriately with co-digestion, they can be converted into energy.
Palabras llave : biodigestor; manure; methane; waste.