Modeling the influence of particulate protein size on hydrolysis in anaerobic digestion / Saad Aldin in Industrial & engineering chemistry research, Vol. 50 N° 18 (Septembre 2011)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 50 N° 18 (Septembre 2011) . - pp. 10843–10849 Titre : Modeling the influence of particulate protein size on hydrolysis in anaerobic digestion Type de document : texte imprimé Auteurs : Saad Aldin, Auteur ; George Nakhla, Auteur ; Madhumita B. Ray, Auteur Année de publication : 2011 Article en page(s) : pp. 10843–10849 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Anaerobic digestion Hydrolysis Modeling Résumé : Batch experiments were performed to investigate the effect of particulate protein size on the hydrolysis of casein in anaerobic degradation. Whereas particle size did not affect the ultimate protein degradation efficiency, the hydrolysis rate coefficient increased from 0.034 to 0.298 day―1 with a change in specific surface area from 0.01 to 0.192 m2/g. The maximum rate of methane production increased from 6 to 14 mL of CH4 per gram of COD added per day with the same change in specific surface area, although the ultimate volume of methane produced was approximately the same despite the change in specific surface area. A mathematical relationship between the hydrolysis rate coefficient and the specific surface area was developed, and a new hydrolysis equation was proposed and verified. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=24523901 [article] Modeling the influence of particulate protein size on hydrolysis in anaerobic digestion [texte imprimé] / Saad Aldin, Auteur ; George Nakhla, Auteur ; Madhumita B. Ray, Auteur . - 2011 . - pp. 10843–10849. Chimie industrielle Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 50 N° 18 (Septembre 2011) . - pp. 10843–10849 Mots-clés : Anaerobic digestion Hydrolysis Modeling Résumé : Batch experiments were performed to investigate the effect of particulate protein size on the hydrolysis of casein in anaerobic degradation. Whereas particle size did not affect the ultimate protein degradation efficiency, the hydrolysis rate coefficient increased from 0.034 to 0.298 day―1 with a change in specific surface area from 0.01 to 0.192 m2/g. The maximum rate of methane production increased from 6 to 14 mL of CH4 per gram of COD added per day with the same change in specific surface area, although the ultimate volume of methane produced was approximately the same despite the change in specific surface area. A mathematical relationship between the hydrolysis rate coefficient and the specific surface area was developed, and a new hydrolysis equation was proposed and verified. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=24523901

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