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dc.contributor.advisor1Couto, Bruno de Oliveira Costa-
dc.contributor.advisor1Latteshttp://lattes.cnpq.br/7679222927811979pt_BR
dc.contributor.referee1Ferreira, Karen Carvalho-
dc.contributor.referee2Favareto, Rogério-
dc.contributor.referee3Sousa, ísis Danielle-
dc.contributor.referee4Couto, Bruno de Oliveira Costa-
dc.creatorMarques, Gabrielly Silva-
dc.creator.Latteshttp://lattes.cnpq.br/1307829892855393pt_BR
dc.date.accessioned2026-08-07T22:34:01Z-
dc.date.available2026-08-03-
dc.date.available2026-08-07T22:34:01Z-
dc.date.issued2026-07-02-
dc.identifier.urihttps://repositorio.ifgoiano.edu.br/handle/prefix/6872-
dc.description.abstractFacultative ponds are widely used for domestic wastewater treatment due to their operational simplicity and low cost. However, sludge accumulation in these systems requires proper management because of its environmental impacts and energy recovery potential. In this context, this study aimed to evaluate the physicochemical characteristics of sludge removed from facultative ponds at the SAPO Wastewater Treatment Plant (WWTP), located in Rio Verde, Goiás, Brazil, in order to assess its potential for biogas production. The sludge was subjected to dredging, dewatering, and storage in geotextile containers, and the following parameters were analyzed: total solids (TS), volatile solids (VS), VS/TS ratio, pH, dissolved oxygen (DO), electrical conductivity, and chemical oxygen demand (COD). The results demonstrated variations associated with dewatering, storage conditions, and vertical heterogeneity of the material. The highest VS contents and VS/TS ratios were observed in samples collected from the container corresponding to the initial dredging stage, indicating a greater presence of biodegradable organic matter and higher potential for biogas production. Although no statistically significant differences were observed among the evaluated containers, descriptive results indicated a tendency toward segregation of the organic fraction. Overall, the results suggest that the analyzed sludge presents potential for energy recovery through anaerobic digestion.pt_BR
dc.description.resumoAs lagoas facultativas são amplamente utilizadas no tratamento de esgoto doméstico devido à simplicidade operacional e ao baixo custo. Entretanto, o acúmulo de lodo nesses sistemas exige manejo adequado em função dos impactos ambientais e do potencial de aproveitamento energético do material. Nesse contexto, o presente estudo teve como objetivo avaliar as características físico-químicas do lodo removido de lagoas facultativas da ETE SAPO, em Rio Verde – GO, visando verificar seu potencial para produção de biogás. O lodo foi submetido aos processos de dragagem, desaguamento e armazenamento em contêineres geotêxteis, sendo analisados sólidos totais (ST), sólidos voláteis (SV), relação SV/ST, pH, oxigênio dissolvido (OD), condutividade elétrica e demanda química de oxigênio (DQO). Os resultados demonstraram variações associadas ao desaguamento, armazenamento e heterogeneidade vertical do material. Os maiores teores de sólidos voláteis (SV) e os maiores valores da relação SV/ST foram observados nas amostras provenientes do contêiner correspondente ao período inicial da dragagem, indicando maior presença de matéria orgânica biodegradável e potencial para produção de biogás. Embora não tenham sido observadas diferenças estatísticas significativas entre os contêineres, os resultados descritivos indicaram tendência de segregação da fração orgânica. Conclui-se que o lodo analisado apresenta potencial para aproveitamento energético por digestão anaeróbia.pt_BR
dc.description.provenanceSubmitted by Gabrielly Silva Marques (gabrielly.marques1@estudante.ifgoiano.edu.br) on 2026-08-07T03:51:49Z No. of bitstreams: 1 TCC_Gabrielly Silva Marques...pdf: 913812 bytes, checksum: 78ad381a33636db36470f0a9cef5de71 (MD5)en
dc.description.provenanceApproved for entry into archive by Hevellin Estrela (hevellin.estrela@ifgoiano.edu.br) on 2026-08-07T22:33:56Z (GMT) No. of bitstreams: 1 TCC_Gabrielly Silva Marques...pdf: 913812 bytes, checksum: 78ad381a33636db36470f0a9cef5de71 (MD5)en
dc.description.provenanceMade available in DSpace on 2026-08-07T22:34:01Z (GMT). No. of bitstreams: 1 TCC_Gabrielly Silva Marques...pdf: 913812 bytes, checksum: 78ad381a33636db36470f0a9cef5de71 (MD5) Previous issue date: 2026-07-02en
dc.description.sponsorshipCNPqpt_BR
dc.languageporpt_BR
dc.publisherInstituto Federal Goianopt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentCampus Rio Verdept_BR
dc.publisher.initialsIF Goianopt_BR
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Doctoral Thesis – University of São Paulo, São Paulo, 2011. OLIVEIRA, Débora Carvalho da Silva; AZEVEDO, Paulo Gabriel Ferreira de; CAVALCANTI, Luiz Antônio Pimentel. Biological processes for wastewater treatment: an integrative review. Revista Brasileira de Gestão Ambiental e Sustentabilidade, v. 8, n. 18, p. 397-415, 2021. PEDROSA, Marcelo Mendes. Bio-oil and biogas from thermochemical degradation of domestic sewage sludge in a rotary cylinder. 2011. Doctoral Thesis in Chemical Engineering – Federal University of Rio Grande do Norte, Natal, 2011. PEDROZA, Marcelo Mendes et al. Production and treatment of sewage sludge: a review. Revista Liberato, v. 11, n. 16, p. 147-158, 2010. RYCKEBOSCH, Eline; DROUILLON, Margriet; VERVAEREN, Han. Techniques for transformation of biogas to biomethane. Biomass and Bioenergy, v. 35, n. 5, p. 1633-1645, 2011. SILVA, L. K. T. et al. Preliminary evaluation of the efficiency of stabilization ponds in the state of Rio Grande do Norte. In: CONNEPI Proceedings. Belém, 2009. SILVA, Maria Rosângela da et al. Stabilization ponds: a review study. In: Brazilian Congress on Environmental Management and Sustainability – CONGESTAS, 2015, João Pessoa. Proceedings [...]. João Pessoa: CONGESTAS, 2015. v. 3. SNEDECOR, G. W.; COCHRAN, W. G. Statistical Methods. 8th ed. Ames: Iowa State University Press, 1989. SOARES, Carlos Roberto Lips. Evaluation of the water injection dredging process in estuaries. 2006. Master’s Dissertation in Ocean Engineering – COPPE/UFRJ, Rio de Janeiro, 2006. SOARES, M. R. Distribution coefficient (Kd) of heavy metals in soils of São Paulo State. 2004. Doctoral Thesis in Soil Science and Plant Nutrition – University of São Paulo, São Paulo, 2004. TCHOBANOGLOUS, G.; STENSEL, H. D.; TSUCHIHASHI, R.; BURTON, F. Wastewater Engineering: Treatment and Resource Recovery. 5th ed. New York: McGraw-Hill Education, 2014. VAN HAANDEL, A. C.; ALEM SOBRINHO, P. Production, composition, and constitution of sewage. In: Biosolids – Alternatives for the use of sanitation residues. Rio de Janeiro: ABES, 2006. p. 1-417. VAN HAANDEL, A. C.; MARAIS, G. V. R. Behavior of the activated sludge system. Campina Grande: Epgraf, 1999. VELKUSHANOVA, K. et al. Laboratory procedures and methods for characterisation of faecal sludge. Eawag/Sandec, 2021. VON SPERLING, Marcos. Stabilization ponds. 2nd ed. Belo Horizonte: Department of Sanitary and Environmental Engineering – UFMG, 2002. 196 p. (Principles of biological wastewater treatment, v. 3). VON SPERLING, M. Stabilization ponds. 3rd ed. Belo Horizonte: Department of Sanitary and Environmental Engineering – UFMG, 2017.pt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectLodo de esgotopt_BR
dc.subjectLagoas facultativaspt_BR
dc.subjectBiogáspt_BR
dc.subjectDigestão anaeróbiapt_BR
dc.subjectDesaguamentopt_BR
dc.subject.cnpqENGENHARIASpt_BR
dc.titleCARACTERIZAÇÃO FÍSICO-QUÍMICA E POTENCIAL DE APROVEITAMENTO ENERGÉTICO DE LODO REMOVIDO DE LAGOAS DE ESTABILIZAÇÃO E DESAGUADO EM CONTÊINERES GEOTÊXTEISpt_BR
dc.typeTrabalho de Conclusão de Cursopt_BR
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