دورية أكاديمية
أعرض في EDS

Effect of the initial pH on the anaerobic digestion process of dairy cattle manure.

التفاصيل البيبلوغرافية
العنوان: Effect of the initial pH on the anaerobic digestion process of dairy cattle manure.
المؤلفون: Castro-Ramos JJ; Instituto Politécnico Nacional, Centro de Investigación en Biotecnologia Aplicada, 90700, Tepetitla de Lardizábal, Tlaxcala, Mexico., Solís-Oba A; Universidad Autónoma Metropolitana, Unidad Xochimilco, Ciudad de Mexico, Mexico., Solís-Oba M; Instituto Politécnico Nacional, Centro de Investigación en Biotecnologia Aplicada, 90700, Tepetitla de Lardizábal, Tlaxcala, Mexico. myrnasolis_ipn@yahoo.com., Calderón-Vázquez CL; Instituto Politécnico Nacional, CIIDIR Unidad Sinaloa, 81100, Guasave, Sinaloa, Mexico., Higuera-Rubio JM; Instituto Politécnico Nacional, CIIDIR Unidad Sinaloa, 81100, Guasave, Sinaloa, Mexico., Castro-Rivera R; Instituto Politécnico Nacional, Centro de Investigación en Biotecnologia Aplicada, 90700, Tepetitla de Lardizábal, Tlaxcala, Mexico.
المصدر: AMB Express [AMB Express] 2022 Dec 28; Vol. 12 (1), pp. 162. Date of Electronic Publication: 2022 Dec 28.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Springer-Verlag Country of Publication: Germany NLM ID: 101561785 Publication Model: Electronic Cited Medium: Print ISSN: 2191-0855 (Print) Linking ISSN: 21910855 NLM ISO Abbreviation: AMB Express Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: Heidelberg : Springer-Verlag, c2011-
مستخلص: Anaerobic digestion (AD) has recently been studied to obtain products of greater interest than biogas, such as volatile fatty acids (VFAs) and phytoregulators. The effect of the initial pH of cow manure and the fermentation time of the AD on the microbial composition, VFAs, indole-3-acetic acid (IAA) and gibberellic acid (GA 3 ) production was evaluated. The cow manure (7% solids) was adjusted to initial pH values of 5.5, 6.5, 7.5, and 8.5, and the AD products were analyzed every four days until day 20. The initial pH and the fermentation time had an important effect on the production of metabolites. During AD, only the hydrolytic and acidogenic stages were identified, and the bacteria found were from the phyla Firmicutes, Bacteroidetes, Actinobacteria, and Spirochaetes. The most abundant genera produced in the four AD were Caproiciproducens, Clostridium sensu stricto 1, Romboutsia, Paeniclostridium, Turicibacter, Peptostreptococcaceae, Ruminococcaceae and Fonticella. The highest amount of VFAs was obtained at pH 8.5, and the production of the acids was butyric > acetic > propionic. The maximum production of GA 3 and IAA was at an initial pH of 6.5 on day 20 and a pH of 5.5 on day 4, respectively. There was a strong correlation (> 0.8) between the most abundant microorganisms and the production of VFAs and GA 3 . The anaerobic digestion of cow manure is a good alternative for the production of VFAs, GA 3 and IAA.
(© 2022. The Author(s).)
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معلومات مُعتمدة: 2096 Secretaria de Investigación y Posgrado del Instituto Politécnico Nacional
فهرسة مساهمة: Keywords: Anaerobic digestion; Cow manure; Gibberellic acid; Indole-3-acetic acid; Volatile fatty acids
تواريخ الأحداث: Date Created: 20221228 Latest Revision: 20230103
رمز التحديث: 20240628
مُعرف محوري في PubMed: PMC9797631
DOI: 10.1186/s13568-022-01486-8
PMID: 36576594
قاعدة البيانات: MEDLINE
الوصف
تدمد:2191-0855
DOI:10.1186/s13568-022-01486-8