Influence of chemical composition on the biochemical methane potential of agro-industrial substrates from Estonia

M. A. Luna-Delrisco, K. Orupõld, I. Diaz-Forero, M. González-Palacio

Resultado de la investigación: Contribución a una revistaArtículoInvestigaciónrevisión exhaustiva

Resumen

Idioma originalInglés estadounidense
Páginas (desde-hasta)1956-1970
Número de páginas15
PublicaciónAgronomy Research
DOI
EstadoPublicada - 1 ene 2017

Huella dactilar

Estonia
methane
chemical composition
biogas
lignin
kinetics
Setaria italica
anaerobic digestion
energy crops
hemicellulose
bottles
silage
animal manures
dairy products
cellulose
digestibility
agriculture
farms
biomass
crops

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@article{dfc8ffa0d6284c36af4cdd4ec5e7ac73,
title = "Influence of chemical composition on the biochemical methane potential of agro-industrial substrates from Estonia",
abstract = "{\circledC} 2017, Eesti Pollumajandusulikool. All rights reserved. Batch trials were carried out to evaluate the Biochemical Methane Potential (BMP) of 61 different substrates collected from agricultural farms and industrial sites in Estonia. Tests were performed in 500 mL plasma bottles at 36°C. The highest methane yield from all tested substrates was obtained from unconsumed dairy products (557 ± 101 L kg-1VS) while the lowest was obtained from animal slurries (238 L kg-1VS ± 42). From tested energy crops, foxtail millet achieved the highest methane yield (320 L kg-1VS). Silages from different crops presented methane yields from 296 ± 31 L CH4kg-1VS to 319 ± 19 L CH4kg-1VS. The influence of chemical composition and kinetic rate constants (k) on methane potential was analyzed. Anaerobic digestibility of selected agro-industrial substrates was markedly influenced by their organic content, i.e. total proteins and lignin concentrations. Rate constants were found to correlate negatively with hemicellulose, cellulose and lignin (p < 0.05). Results from this study suggest that an appropriate characterization of the chemical composition of the substrates is important not only for predicting BMP and the kinetics rates, but also for identifying possible inhibitors during the anaerobic digestion process. Results on the BMP and national availability of studied substrates indicate that herbal biomass and agro-industrial residues are promising substrates for biogas production in agricultural biogas facilities in Estonia.",
author = "Luna-Delrisco, {M. A.} and K. Orup{\~o}ld and I. Diaz-Forero and M. Gonz{\'a}lez-Palacio",
year = "2017",
month = "1",
day = "1",
doi = "10.15159/AR.17.063",
language = "American English",
pages = "1956--1970",
journal = "Agronomy Research",
issn = "1406-894X",
publisher = "Estonian Agricultural University",

}

Influence of chemical composition on the biochemical methane potential of agro-industrial substrates from Estonia. / Luna-Delrisco, M. A.; Orupõld, K.; Diaz-Forero, I.; González-Palacio, M.

En: Agronomy Research, 01.01.2017, p. 1956-1970.

Resultado de la investigación: Contribución a una revistaArtículoInvestigaciónrevisión exhaustiva

TY - JOUR

T1 - Influence of chemical composition on the biochemical methane potential of agro-industrial substrates from Estonia

AU - Luna-Delrisco, M. A.

AU - Orupõld, K.

AU - Diaz-Forero, I.

AU - González-Palacio, M.

PY - 2017/1/1

Y1 - 2017/1/1

N2 - © 2017, Eesti Pollumajandusulikool. All rights reserved. Batch trials were carried out to evaluate the Biochemical Methane Potential (BMP) of 61 different substrates collected from agricultural farms and industrial sites in Estonia. Tests were performed in 500 mL plasma bottles at 36°C. The highest methane yield from all tested substrates was obtained from unconsumed dairy products (557 ± 101 L kg-1VS) while the lowest was obtained from animal slurries (238 L kg-1VS ± 42). From tested energy crops, foxtail millet achieved the highest methane yield (320 L kg-1VS). Silages from different crops presented methane yields from 296 ± 31 L CH4kg-1VS to 319 ± 19 L CH4kg-1VS. The influence of chemical composition and kinetic rate constants (k) on methane potential was analyzed. Anaerobic digestibility of selected agro-industrial substrates was markedly influenced by their organic content, i.e. total proteins and lignin concentrations. Rate constants were found to correlate negatively with hemicellulose, cellulose and lignin (p < 0.05). Results from this study suggest that an appropriate characterization of the chemical composition of the substrates is important not only for predicting BMP and the kinetics rates, but also for identifying possible inhibitors during the anaerobic digestion process. Results on the BMP and national availability of studied substrates indicate that herbal biomass and agro-industrial residues are promising substrates for biogas production in agricultural biogas facilities in Estonia.

AB - © 2017, Eesti Pollumajandusulikool. All rights reserved. Batch trials were carried out to evaluate the Biochemical Methane Potential (BMP) of 61 different substrates collected from agricultural farms and industrial sites in Estonia. Tests were performed in 500 mL plasma bottles at 36°C. The highest methane yield from all tested substrates was obtained from unconsumed dairy products (557 ± 101 L kg-1VS) while the lowest was obtained from animal slurries (238 L kg-1VS ± 42). From tested energy crops, foxtail millet achieved the highest methane yield (320 L kg-1VS). Silages from different crops presented methane yields from 296 ± 31 L CH4kg-1VS to 319 ± 19 L CH4kg-1VS. The influence of chemical composition and kinetic rate constants (k) on methane potential was analyzed. Anaerobic digestibility of selected agro-industrial substrates was markedly influenced by their organic content, i.e. total proteins and lignin concentrations. Rate constants were found to correlate negatively with hemicellulose, cellulose and lignin (p < 0.05). Results from this study suggest that an appropriate characterization of the chemical composition of the substrates is important not only for predicting BMP and the kinetics rates, but also for identifying possible inhibitors during the anaerobic digestion process. Results on the BMP and national availability of studied substrates indicate that herbal biomass and agro-industrial residues are promising substrates for biogas production in agricultural biogas facilities in Estonia.

U2 - 10.15159/AR.17.063

DO - 10.15159/AR.17.063

M3 - Article

SP - 1956

EP - 1970

JO - Agronomy Research

JF - Agronomy Research

SN - 1406-894X

ER -