Anaerobic digestion of vinasse and water treatment plant sludge increases methane production and stability of UASB reactors

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorScience and Technology of São Paulo-
Autor(es): dc.contributorFaculty of Technology “Nilo de Stéfani”-
Autor(es): dc.creatorLima, Vivian de Oliveira-
Autor(es): dc.creatorBarros, Valciney Gomes de-
Autor(es): dc.creatorDuda, Rose Maria-
Autor(es): dc.creatorOliveira, Roberto Alves de-
Data de aceite: dc.date.accessioned2025-08-21T20:53:48Z-
Data de disponibilização: dc.date.available2025-08-21T20:53:48Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-01-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.jenvman.2022.116451-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/249469-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/249469-
Descrição: dc.descriptionStudies are still needed to increase the stability and efficiency of methane production from vinasse. Therefore, operations strategies, such as the anaerobic digestion with one or more wastes and adding micronutrients, especially iron, become attractive. The performance of two treatment systems, each one composed of two UASB reactors in series, operated under mesophilic (R1M and R2M) and thermophilic (R1T and R2T) temperature conditions, was evaluated in the anaerobic digestion of vinasse (ADV). First, the reactors were operated with the effluent recirculation and increasing organic loading rate (OLR) up to 20 g CODtotal L−1d−1 in the R1M and R1T. Then, the anaerobic digestion of vinasse and water treatment plant (WTP) sludge (ADVS) was performed in the proportions of 25:75 to 50:50 (% v/v) in both systems. In the ADV, applying the highest OLR, the mesophilic and thermophilic reactors instabilities happened. The ADVS of over 35% of WTP sludge promoted the recovery of the mesophilic and thermophilic UASB reactors with significantly reduced total volatile acids and increased alkalinity and biogas production. The higher average values of the volumetric methane production (VMP) occurred in the ADVS at 50% of WTP; in the R1M and R1T, they were 3.23 and 3.00 L CH4 L−1d−1, respectively. In the ADV, the thermophilic system presented higher VMP concerning the mesophilic for OLR up to 15 g CODtotal L−1d−1. For higher OLR, the mesophilic system showed better carrying capacity and stability. The ADVS with above 35% of WTP sludge promoted similar benefits in the two systems, with no significant differences in CODtotal removal and VMP. Therefore, adding iron by WTP sludge in ADVS improves methane production and increases the stability of UASB reactors under mesophilic and thermophilic conditions.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionUniversidade Estadual Paulista-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionGraduate Program in Agricultural and Livestock Microbiology São Paulo State University (UNESP) School of Agricultural and Veterinarian Sciences, SP-
Descrição: dc.descriptionLaboratory of Environmental Sanitation Department of Engineering and Mathematical Sciences São Paulo State University (UNESP) School of Agricultural and Veterinarian Sciences, SP-
Descrição: dc.descriptionFederal Institute of Education Science and Technology of São Paulo, SP-
Descrição: dc.descriptionFaculty of Technology “Nilo de Stéfani”, SP-
Descrição: dc.descriptionGraduate Program in Agricultural and Livestock Microbiology São Paulo State University (UNESP) School of Agricultural and Veterinarian Sciences, SP-
Descrição: dc.descriptionLaboratory of Environmental Sanitation Department of Engineering and Mathematical Sciences São Paulo State University (UNESP) School of Agricultural and Veterinarian Sciences, SP-
Descrição: dc.descriptionCNPq: 159220/2018-1-
Descrição: dc.descriptionFAPESP: 2015/11045-0 BIOEN-
Descrição: dc.descriptionCNPq: 312093/2016-0-
Descrição: dc.descriptionCNPq: 312611/2019-6-
Idioma: dc.languageen-
Relação: dc.relationJournal of Environmental Management-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectAnaerobic co-digestion-
Palavras-chave: dc.subjectBiogas-
Palavras-chave: dc.subjectEffluent recirculation-
Palavras-chave: dc.subjectIron-
Palavras-chave: dc.subjectNutrients-
Palavras-chave: dc.subjectTwo-stage anaerobic reactors-
Título: dc.titleAnaerobic digestion of vinasse and water treatment plant sludge increases methane production and stability of UASB reactors-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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