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DYNA
versão impressa ISSN 0012-7353
Resumo
CASTRO-MOLANO, Liliana del Pilar; ESCALANTE-HERNANDEZ, Humberto; GOMEZ-SERRATO, Oscar Julián e JIMENEZ-PINEROS, Diana Paola. Analysis of methanogenic and energetic potential from slaughterhouse wastewater using anaerobic digestion. Dyna rev.fac.nac.minas [online]. 2016, vol.83, n.199, pp.41-49. ISSN 0012-7353. https://doi.org/10.15446/dyna.v83n199.56796.
Biomethane potential for slaughterhouse wastewater was determined at operation temperatures of 37°C and 30°C with pre incubated cattle manure as inoculum source. Methane yields reached values of 0,73 and 0,71 m3CH4/kg VSadd at 37°C and 30°C respectively. The statistical analysis showed that no significant differences in the maximum methane production exist at the different temperatures evaluated. Additionally, energetic potential of slaughterhouse wastewater was evaluated. Wastewater produced monthly in the slaughterhouse case of study would produce 16440 m3CH4, by mean anaerobic digestion. Methane production corresponding to approximately 47% electric energy (31235kwh) and 49% (62500kwh) of thermal energy of slaughterhouse consumption.
Palavras-chave : Anaerobic digestion; cattle manure; energetic potential; slaughterhouse.