Influence of substrate/inoculum ratio, inoculum source and ammonia inhibition on anaerobic digestion of poultry waste

Poultry wastes are rich in organic matter, allowing their use as substrates for biogas production by anaerobic digestion (AD). The major difficulty in the anaerobic digestion of this protein-rich waste is ammonia inhibition. Different results of biochemical methane potential (BMP) were obtained afte...

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Veröffentlicht in:Environmental technology. - 1993. - 45(2024), 10 vom: 27. März, Seite 1894-1907
1. Verfasser: Mansour, Marie-Noël (VerfasserIn)
Weitere Verfasser: Lendormi, Thomas, Drévillon, Lucie, Naji, Amar, Louka, Nicolas, Maroun, Richard G, Hobaika, Zeina, Lanoisellé, Jean-Louis
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Anaerobic digestion S/I ratio ammonia inhibition inoculum source poultry waste Ammonia 7664-41-7 Methane OP0UW79H66 Biofuels
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520 |a Poultry wastes are rich in organic matter, allowing their use as substrates for biogas production by anaerobic digestion (AD). The major difficulty in the anaerobic digestion of this protein-rich waste is ammonia inhibition. Different results of biochemical methane potential (BMP) were obtained after the mesophilic anaerobic digestion of different avian waste in batch mode. It was shown that using two different inoculum (Liger and Saint-Brieuc) sources and different substrate-to-inoculum (S/I) ratios does not have a significant effect on the biochemical methane potential of organic laying hen droppings (OLHD); an average of 0.272 Nm3 CH4·kg-1·VS was obtained with both inocula. Otherwise, it affects the hydrolysis constant KH, and it decreases when the substrate-to-inoculum ratio increases. Furthermore, Liger is the most suitable inoculum for our substrate because it shows stability during the process even with different organic loads. Comparing the biochemical methane potential of multiple avian wastes such as organic laying hen droppings and different slaughterhouse waste highlights the importance of slaughterhouse waste in the anaerobic digestion process because of the high methane yield observed especially with the viscera (0.779 Nm3 CH4·kg-1 VS, SD = 0.027 Nm3 CH4·kg-1 VS). Moreover, methane production was affected by increasing the ammonia concentrations; when [N-NH3] > 9.8 g·N-NH3·L-1, the biochemical methane potential decreases and the lag phase increases (λ > 30 days); a total inhibition of the process was observed when ammonia concentration is above 21.8 g·L-1 
650 4 |a Journal Article 
650 4 |a Anaerobic digestion 
650 4 |a S/I ratio 
650 4 |a ammonia inhibition 
650 4 |a inoculum source 
650 4 |a poultry waste 
650 7 |a Ammonia  |2 NLM 
650 7 |a 7664-41-7  |2 NLM 
650 7 |a Methane  |2 NLM 
650 7 |a OP0UW79H66  |2 NLM 
650 7 |a Biofuels  |2 NLM 
700 1 |a Lendormi, Thomas  |e verfasserin  |4 aut 
700 1 |a Drévillon, Lucie  |e verfasserin  |4 aut 
700 1 |a Naji, Amar  |e verfasserin  |4 aut 
700 1 |a Louka, Nicolas  |e verfasserin  |4 aut 
700 1 |a Maroun, Richard G  |e verfasserin  |4 aut 
700 1 |a Hobaika, Zeina  |e verfasserin  |4 aut 
700 1 |a Lanoisellé, Jean-Louis  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Environmental technology  |d 1993  |g 45(2024), 10 vom: 27. März, Seite 1894-1907  |w (DE-627)NLM098202545  |x 1479-487X  |7 nnns 
773 1 8 |g volume:45  |g year:2024  |g number:10  |g day:27  |g month:03  |g pages:1894-1907 
856 4 0 |u http://dx.doi.org/10.1080/09593330.2022.2157754  |3 Volltext 
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