Por favor, use este identificador para citar o enlazar este ítem: http://repositorio.ikiam.edu.ec/jspui/handle/RD_IKIAM/480
Título : Evaluation of methane production from the anaerobic co-digestion of manure of guinea pig with lignocellulosic Andean residues
Autor : Meneses Quelal, Orlando
Velázquez Martí, B
Gaibor, Juan Alberto
Niño Ruíz, Zulay
Palabras clave : Anaerobic digestion
Lignocellulosic waste
Biogas
Co-substrate
Synergy
Inoculum
Kinetic model
Fecha de publicación : 2022
Editorial : Scopus
Citación : Meneses Quelal, Orlando & Velázquez-Martí, B. & Gaibor, Juan & Niño, Zulay & Gisbert, Ferrer. (2022). Evaluation of methane production from the anaerobic co-digestion of manure of guinea pig with lignocellulosic Andean residues. Environmental Science and Pollution Research. 29. 1-17. 10.1007/s11356-021-15610-x.
Citación : PRODUCCIÓN CIENTÍFICA - ARTÍCULO CIENTÍFICO;A-IKIAM-000367
Resumen : The objective of this research was to evaluate anaerobic co-digestion of guinea pig manure (GP) with Andean agricultural residues such as amaranth (AM), quinoa (QU) and wheat (TR) in batch biodigesters under mesophilic conditions (37 0 C) for 40 days. As microbial inoculum, sewage treatment sludge was used in two inoculum/substrate ratios (ISR of 1 and 2). In terms of methane production, the best results occurred in treatments containing AM and QU as co-substrate and an ISR of 2. Thus, the highest methane production yield in the GP:AM biodigesters (25:75) and GP:QU (25:75) with 341.86 mlCH4/g VS added and 341.05 mlCH4/g VS added, respectively. On the other hand, the results showed that methane production with an ISR of 2 generated higher yields for guinea pig waste and the methane fraction of the biogas generated was in a range from 57 to 69%. Methane production kinetics from these raw materials was studied using five kinetic models: modified Gompertz, logistic equation, transfer, cone and Richards. The cone model adjusted best to the experimental values with those observed with r2 of 0.999 and RMSE of 1.16 mlCH4/g VS added. Finally, the highest biodegradability (experimental yield/theoretical yield) was obtained in the GP-AM biodigesters (25:75) with 67.92%.
URI : http://repositorio.ikiam.edu.ec/jspui/handle/RD_IKIAM/480
ISSN : https://doi.org/10.1007/s11356-021-15610-x
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