Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1185937
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dc.contributor.authorSILVA, J. B. da
dc.contributor.authorPORTO, I. O.
dc.contributor.authorALENCAR, B. R. A.
dc.contributor.authorSANTOS JÚNIOR, E. P.
dc.contributor.authorAMARAL, D. R. do
dc.contributor.authorVALLE, D. S. G. M. do
dc.contributor.authorABREU, I. B. S. de
dc.contributor.authorSILVA, S. P. da
dc.contributor.authorSILVA, A. F.
dc.contributor.authorMOURAM R, S, de
dc.contributor.authorCARVALHO, M.
dc.contributor.authorANTONINO, A. C. D.
dc.contributor.authorSALES, A. T.
dc.contributor.authorDUTRA, E. D.
dc.contributor.authorMENEZES, R. S. C.
dc.date.accessioned2026-03-31T13:52:21Z-
dc.date.available2026-03-31T13:52:21Z-
dc.date.created2026-03-31
dc.date.issued2025
dc.identifier.citationEnergy Nexus, v. 20, 100602, Dec. 2025.
dc.identifier.issn2772-4271
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1185937-
dc.descriptionDue to the growing search for natural resources to meet human needs, interest has arisen in developing technologies based on the Water-Energy-Food (WEF) nexus. The implementation of biodigesters on small farms is an initiative that aligns with global agendas and the WEF nexus concept. This research aimed to evaluate the integration of a small-scale biodigester prototype locally referred to as "biodigestor sertanejo," on the water, energy, food, and environmental security of smallholder farmers in the semi-arid region of northeastern (NE) Brazil. Primary data were obtained from semi-structured questionnaires. A physical-chemical analysis of the digestate as a biofertilizer was also carried out. The emissions from the biodigester were analyzed using the life cycle assessment method. The use of biodigesters to treat animal waste has positively impacted the lives of families by reducing the proliferation of diseases and the contamination of water resources. Replacing firewood with biogas for cooking also helped reduce the number of cases of respiratory diseases in families by 10.9 %. It was also found that domestic savings of around USD 201.3 per year resulted from the switch to biogas energy.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectSegurança hídrica
dc.subjectAvaliação do ciclo de vida
dc.subjectTecnologia social
dc.subjectBiodigestor sertanejo
dc.titleSmall-scale biodigesters in a tropical semi-arid region: impacts on emissions and water, energy and food security.
dc.typeArtigo de periódico
dc.subject.thesagroBiodigestor
dc.subject.thesagroAgricultura Familiar
dc.subject.thesagroBiogás
dc.subject.thesagroBiofertilizante
dc.subject.thesagroRecurso Natural
dc.subject.thesagroPropriedade Rural
dc.subject.thesagroPequeno Produtor
dc.subject.nalthesaurusLife cycle assessment
riaa.ainfo.id1185937
riaa.ainfo.lastupdate2026-03-31
dc.contributor.institutionJÉSSICA BÁRBARA DA SILVA, FEDERAL UNIVERSITY OF PERNAMBUCO; ITA OLIVEIRA-PORTO, FEDERAL UNIVERSITY OF VALE DO SÃO FRANCISCO; BÁRBARA RIBEIRO ALVES ALENCAR, FEDERAL UNIVERSITY OF PERNAMBUCO; EDVALDO PEREIRA SANTOS JÚNIOR, FEDERAL UNIVERSITY OF PERNAMBUCO; DIEGO RIBEIRO DO AMARAL, FEDERAL UNIVERSITY OF PERNAMBUCO; DANIELA SILVA GOMES MOREIRA DO VALLE, FEDERAL UNIVERSITY OF PERNAMBUCO; ITHALO BARBOSA SILVA DE ABREU, FEDERAL UNIVERSITY OF PERNAMBUCO; SUZYANE PORFÍRIO DA SILVA, FEDERAL UNIVERSITY OF PERNAMBUCO; ALINEAUREA FLORENTINO SILVA, CPATSA; ROSEANE SIMÕES DE MOURA, DIACONIA; MONICA CARVALHO, FEDERAL UNIVERSITY OF PARAÍBA; ANTÔNIO CELSO DANTAS ANTONINO, FEDERAL UNIVERSITY OF PERNAMBUCO; ALDO TORRES SALES, FEDERAL UNIVERSITY OF PERNAMBUCO; EMMANUEL DAMILANO DUTRA, FEDERAL UNIVERSITY OF PERNAMBUCO; RÔMULO SIMÕES CEZAR MENEZES, FEDERAL UNIVERSITY OF PERNAMBUCO.
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