Remoção de carga orgânica de efluente hospitalar por reator de leito móvel com biofilme, em escala de bancada

Detalhes bibliográficos
Ano de defesa: 2014
Autor(a) principal: Soares, Ana Marceli lattes
Orientador(a): Hoffmann, Ronaldo lattes
Banca de defesa: Pinheiro, Damaris Kirsch, Garcia, Dagmar Camacho
Tipo de documento: Dissertação
Tipo de acesso: Acesso aberto
Idioma: por
Instituição de defesa: Universidade Federal de Santa Maria
Centro de Tecnologia
Programa de Pós-Graduação: Programa de Pós-Graduação em Engenharia de Processos
Departamento: Engenharia de Processos
País: Brasil
Palavras-chave em Português:
MBBR
Biofilme
Efluente hospitalar
Carga orgânica
Palavras-chave em Inglês:
Biofilm
Hospital sewage
Organic load
Área do conhecimento CNPq:
CNPQ::ENGENHARIAS
Link de acesso: http://repositorio.ufsm.br/handle/1/21501
Resumo: Moving bed biofilm reactors (MBBR) were developed in the end of last century in Norway, and have excelled over other processes, and incorporate great features of biological wastewater treatment. In the process, the microorganisms grow attached to carriers, forming biofilm. In this work was studied the efficiencies of MBBR in the hospital sewage treatment, with the aim of removing organic load, Total Kjeldahl Nitrogen (TKN) and total phosphorus. In the LabCAmb/UFSM, the MBBR was operated to treat hospital sewage under aerobic conditions, with useful volume of 4.1 L, filling ratio of 60%, flow rate of 1.0 L.h-1, and hydraulic detention time of 4.1 h. The volumetric organic load (VOC) of the influent varied widely, were obtained values of between 0.703 and 2.752 Kg BOD5.m-3.d-1 (1.02 a 7.53 Kg COD.m-3.d-1), resulting in an average to VOC of 1.55 Kg BOD5.m-3.d-1 (2.99 Kg COD.m-3.d-1). The MBBR showed good performance, with average to removal efficiencies of VOCs in BOD5 and COD of 76.36 and 69.54%, respectively. The average TKN removal efficiency was 46.85%, removal due to biological synthesis and probably reactions of simultaneous nitrification/denitrification. For total phosphorus was obtained an average to removal efficiency of 46.45%, due to cell accumulation.
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spelling 2021-07-15T17:19:08Z2021-07-15T17:19:08Z2014-05-02http://repositorio.ufsm.br/handle/1/21501Moving bed biofilm reactors (MBBR) were developed in the end of last century in Norway, and have excelled over other processes, and incorporate great features of biological wastewater treatment. In the process, the microorganisms grow attached to carriers, forming biofilm. In this work was studied the efficiencies of MBBR in the hospital sewage treatment, with the aim of removing organic load, Total Kjeldahl Nitrogen (TKN) and total phosphorus. In the LabCAmb/UFSM, the MBBR was operated to treat hospital sewage under aerobic conditions, with useful volume of 4.1 L, filling ratio of 60%, flow rate of 1.0 L.h-1, and hydraulic detention time of 4.1 h. The volumetric organic load (VOC) of the influent varied widely, were obtained values of between 0.703 and 2.752 Kg BOD5.m-3.d-1 (1.02 a 7.53 Kg COD.m-3.d-1), resulting in an average to VOC of 1.55 Kg BOD5.m-3.d-1 (2.99 Kg COD.m-3.d-1). The MBBR showed good performance, with average to removal efficiencies of VOCs in BOD5 and COD of 76.36 and 69.54%, respectively. The average TKN removal efficiency was 46.85%, removal due to biological synthesis and probably reactions of simultaneous nitrification/denitrification. For total phosphorus was obtained an average to removal efficiency of 46.45%, due to cell accumulation.Os reatores de leito móvel com biofilme (MBBR) surgiram no final do século passado na Noruega, e tem se destacado frente a outros processos, e integram ótimas características do tratamento biológico de efluentes. No processo, os microrganismos crescem aderidos a meios suportes móveis, formando um biofilme. Neste trabalho foi estudado o potencial do reator MBBR no tratamento de efluente hospitalar, com o objetivo de remoção de carga orgânica, Nitrogênio Total Kjeldahl (NTK) e fósforo total. Nas instalações do LabCAmb/UFSM o reator MBBR foi operado sob condições aeróbias, com volume útil de 4,1 L, razão de enchimento de suportes de 60%, onde o efluente hospitalar entrava no sistema a uma vazão de 1,0 L/h, com tempo de detenção hidráulica de 4,1 h. A carga orgânica volumétrica (COV) do efluente alimentado no reator variou muito, valores estes compreendidos entre 0,703 e 2,752 kg DBO5/m³.d (1,02 a 7,53 kg DQO/m³.d), resultando na obtenção de COV média de 1,55 kg DBO5/m³.d (2,99 kg DQO/m³.d). O reator MBBR apresentou bom desempenho, com eficiências médias de remoção da COV em DBO5 e em DQO de 76,36 e 69,54%, respectivamente. A eficiência média de remoção de NTK foi de 46,85%, remoção esta devido à síntese biológica e provavelmente a reações de nitrificação/desnitrificação simultâneas. Quanto ao fósforo total, obteve-se 46,45% de eficiência média de remoção, devido à acumulação celular.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESporUniversidade Federal de Santa MariaCentro de TecnologiaPrograma de Pós-Graduação em Engenharia de ProcessosUFSMBrasilEngenharia de ProcessosAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessMBBRBiofilmeEfluente hospitalarCarga orgânicaBiofilmHospital sewageOrganic loadCNPQ::ENGENHARIASRemoção de carga orgânica de efluente hospitalar por reator de leito móvel com biofilme, em escala de bancadaRemoval of organic load of hospital sewage by moving bed biofilm reactor, in bench scaleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisHoffmann, Ronaldohttp://lattes.cnpq.br/4625067103734943Silveira, Djalma Dias daPinheiro, Damaris KirschGarcia, Dagmar Camachohttp://lattes.cnpq.br/0547572941268932Soares, Ana Marceli300000000009600600600600b85fa86d-dc82-49f8-a2fa-f893ac72ecef65e678c7-c0d1-419f-b305-9aabc42472f60d551738-2d00-4de0-b42b-6295dd514b37f29ea290-72e1-4e90-a46c-c8a57ad084204e543669-5f14-42e6-b658-297a086f1d0dreponame:Biblioteca Digital de Teses e Dissertações do UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMCC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; 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dc.title.por.fl_str_mv Remoção de carga orgânica de efluente hospitalar por reator de leito móvel com biofilme, em escala de bancada
dc.title.alternative.eng.fl_str_mv Removal of organic load of hospital sewage by moving bed biofilm reactor, in bench scale
title Remoção de carga orgânica de efluente hospitalar por reator de leito móvel com biofilme, em escala de bancada
spellingShingle Remoção de carga orgânica de efluente hospitalar por reator de leito móvel com biofilme, em escala de bancada
Soares, Ana Marceli
MBBR
Biofilme
Efluente hospitalar
Carga orgânica
Biofilm
Hospital sewage
Organic load
CNPQ::ENGENHARIAS
title_short Remoção de carga orgânica de efluente hospitalar por reator de leito móvel com biofilme, em escala de bancada
title_full Remoção de carga orgânica de efluente hospitalar por reator de leito móvel com biofilme, em escala de bancada
title_fullStr Remoção de carga orgânica de efluente hospitalar por reator de leito móvel com biofilme, em escala de bancada
title_full_unstemmed Remoção de carga orgânica de efluente hospitalar por reator de leito móvel com biofilme, em escala de bancada
title_sort Remoção de carga orgânica de efluente hospitalar por reator de leito móvel com biofilme, em escala de bancada
author Soares, Ana Marceli
author_facet Soares, Ana Marceli
author_role author
dc.contributor.advisor1.fl_str_mv Hoffmann, Ronaldo
dc.contributor.advisor1Lattes.fl_str_mv http://lattes.cnpq.br/4625067103734943
dc.contributor.advisor-co1.fl_str_mv Silveira, Djalma Dias da
dc.contributor.referee1.fl_str_mv Pinheiro, Damaris Kirsch
dc.contributor.referee2.fl_str_mv Garcia, Dagmar Camacho
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/0547572941268932
dc.contributor.author.fl_str_mv Soares, Ana Marceli
contributor_str_mv Hoffmann, Ronaldo
Silveira, Djalma Dias da
Pinheiro, Damaris Kirsch
Garcia, Dagmar Camacho
dc.subject.por.fl_str_mv MBBR
Biofilme
Efluente hospitalar
Carga orgânica
topic MBBR
Biofilme
Efluente hospitalar
Carga orgânica
Biofilm
Hospital sewage
Organic load
CNPQ::ENGENHARIAS
dc.subject.eng.fl_str_mv Biofilm
Hospital sewage
Organic load
dc.subject.cnpq.fl_str_mv CNPQ::ENGENHARIAS
description Moving bed biofilm reactors (MBBR) were developed in the end of last century in Norway, and have excelled over other processes, and incorporate great features of biological wastewater treatment. In the process, the microorganisms grow attached to carriers, forming biofilm. In this work was studied the efficiencies of MBBR in the hospital sewage treatment, with the aim of removing organic load, Total Kjeldahl Nitrogen (TKN) and total phosphorus. In the LabCAmb/UFSM, the MBBR was operated to treat hospital sewage under aerobic conditions, with useful volume of 4.1 L, filling ratio of 60%, flow rate of 1.0 L.h-1, and hydraulic detention time of 4.1 h. The volumetric organic load (VOC) of the influent varied widely, were obtained values of between 0.703 and 2.752 Kg BOD5.m-3.d-1 (1.02 a 7.53 Kg COD.m-3.d-1), resulting in an average to VOC of 1.55 Kg BOD5.m-3.d-1 (2.99 Kg COD.m-3.d-1). The MBBR showed good performance, with average to removal efficiencies of VOCs in BOD5 and COD of 76.36 and 69.54%, respectively. The average TKN removal efficiency was 46.85%, removal due to biological synthesis and probably reactions of simultaneous nitrification/denitrification. For total phosphorus was obtained an average to removal efficiency of 46.45%, due to cell accumulation.
publishDate 2014
dc.date.issued.fl_str_mv 2014-05-02
dc.date.accessioned.fl_str_mv 2021-07-15T17:19:08Z
dc.date.available.fl_str_mv 2021-07-15T17:19:08Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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dc.publisher.none.fl_str_mv Universidade Federal de Santa Maria
Centro de Tecnologia
dc.publisher.program.fl_str_mv Programa de Pós-Graduação em Engenharia de Processos
dc.publisher.initials.fl_str_mv UFSM
dc.publisher.country.fl_str_mv Brasil
dc.publisher.department.fl_str_mv Engenharia de Processos
publisher.none.fl_str_mv Universidade Federal de Santa Maria
Centro de Tecnologia
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