Potencial bioquímico de metano de pollinaza adicionada con propionato en condiciones mesofílicas
DOI:
https://doi.org/10.17268/sci.agropecu.2019.02.17Keywords:
biogás, digestión anaeróbica, Potencial Bioquímico de Metano, modelo de Gompertz. AbstractAbstract
El objetivo del trabajo fue determinar el potencial bioquímico de metano de pollinaza en combinación con una alta concentración de propionato, empleando un consorcio microbiano previamente adaptado a elevadas cantidades de este metabolito. La pollinaza al 3 % de sólidos totales (ST) con 4895 ppm de propionato fue degradada en condiciones mesofílicas empleando microcosmos con un volumen de trabajo de 250 mL. Los resultados del rendimiento de metano acumulado indicaron un comportamiento triple sigmoidal; lo cual podría atribuirse a la diferencia en las velocidades de degradación de los componentes, tales como macromoléculas y ácidos grasos volátiles. El potencial bioquímico de metano fue de 364,52 mL CH4 gSValimentados-1.
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Received February 27, 2019.
Accepted May 26, 2019.
Corresponding author: ghernandeze@taurus.chapingo.mx (G. Hernández-Eugenio).
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