REMOÇÃO SIMULTÂNEA DE MATÉRIA ORGANICA E NITROGÊNIO TOTAL EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE TRATANDO EFLUENTE COMPOSTO POR ESGOTO BRUTO E EFLUENTE DE RALF
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Tipo de documento: | Tese |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações do UNICENTRO |
Texto Completo: | http://tede.unicentro.br:8080/jspui/handle/jspui/967 |
Resumo: | The consumption of dissolved oxygen in water bodies is one of the main problems resulting from water pollution by organic matter. Another important point is eutrophication, which is the excessive growth of plants due to the excess of nutrients present in this medium. Brazilian sewage treatment plants usually use biological processes for the removal of organic matter and nitrogen. In this sense, aiming at the simultaneous removal of Chemical Oxygen Demand (COD) and Total Nitrogen (TN) from sanitary sewage, the present study aimed to evaluate the efficiency of a structured bed reactor with intermittent aeration, with aeration periods of 60 Minutes followed by 120 minutes without aeration, with each cycle of 180 minutes. The reactor was operated with Hydraulic Detention Time (HDT) of 8 hours, temperature of 30 ± 1ºC, continuous feed and recirculation ratio equal to 2. Five trials were performed that differed in the composition of the influent. The influente were composed of a combination of raw sewage plots from the Green Sewage Treatment Station (ETE) and the Fluidized Bed Anaerobic Reactor (RALF) effluent from the same ETE. The concentrations of each plot in the affluent were 0%, 25%, 50%, 75% and 100%. As a support medium for Microorganisms were used 13 polyurethane foam cylinders arranged vertically in the reactor. In order to evaluate the efficiency of the process, pH, alkalinity, Total Kjeldahl Nitrogen (TKN), ammoniacal nitrogen (N-NH4+), nitrite (N-NO2-), nitrate (N-NO3-), Chemical Demand Oxygen (COD) and phosphorus. The minimum COD removal efficiency obtained was 76% and the maximum of 95%, but the results showed that there was no significant statistical difference between the tests for this parameter. The best effluent removal efficiency was 78%, with an effluent composed only of RALF effluent, which was test 3. Under these conditions, the effluent had COD contents of 14 mg.L-1, 3 mg N-NH4+.L-1, N-NO3- of 2 mg.L-1 and N NO2- of 3 mg.L-1. In view of the results it was possible to conclude that the structured bed reactor and intermittent aeration is efficient for the simultaneous removal of carbonaceous and nitrogenous organic matter with a influent containing a mixture of crude sewage and RALF effluent in the most different proportions. |
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Barana, Ana Cláudiahttp://lattes.cnpq.br/1251375044697776077.783.249-62http://lattes.cnpq.br/9105147927961513WENDLING, ANA CLAUDIA2019-04-02T16:21:01Z2017-05-19WENDLING, ANA CLAUDIA. REMOÇÃO SIMULTÂNEA DE MATÉRIA ORGANICA E NITROGÊNIO TOTAL EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE TRATANDO EFLUENTE COMPOSTO POR ESGOTO BRUTO E EFLUENTE DE RALF. 2017. 64 f. Tese (Programa de Pós-Graduação em Engenharia Sanitária e Ambiental - Mestrado / Associação Ampla com UEPG) - Universidade Estadual do Centro-Oeste, Ponta Grossa - PR.http://tede.unicentro.br:8080/jspui/handle/jspui/967The consumption of dissolved oxygen in water bodies is one of the main problems resulting from water pollution by organic matter. Another important point is eutrophication, which is the excessive growth of plants due to the excess of nutrients present in this medium. Brazilian sewage treatment plants usually use biological processes for the removal of organic matter and nitrogen. In this sense, aiming at the simultaneous removal of Chemical Oxygen Demand (COD) and Total Nitrogen (TN) from sanitary sewage, the present study aimed to evaluate the efficiency of a structured bed reactor with intermittent aeration, with aeration periods of 60 Minutes followed by 120 minutes without aeration, with each cycle of 180 minutes. The reactor was operated with Hydraulic Detention Time (HDT) of 8 hours, temperature of 30 ± 1ºC, continuous feed and recirculation ratio equal to 2. Five trials were performed that differed in the composition of the influent. The influente were composed of a combination of raw sewage plots from the Green Sewage Treatment Station (ETE) and the Fluidized Bed Anaerobic Reactor (RALF) effluent from the same ETE. The concentrations of each plot in the affluent were 0%, 25%, 50%, 75% and 100%. As a support medium for Microorganisms were used 13 polyurethane foam cylinders arranged vertically in the reactor. In order to evaluate the efficiency of the process, pH, alkalinity, Total Kjeldahl Nitrogen (TKN), ammoniacal nitrogen (N-NH4+), nitrite (N-NO2-), nitrate (N-NO3-), Chemical Demand Oxygen (COD) and phosphorus. The minimum COD removal efficiency obtained was 76% and the maximum of 95%, but the results showed that there was no significant statistical difference between the tests for this parameter. The best effluent removal efficiency was 78%, with an effluent composed only of RALF effluent, which was test 3. Under these conditions, the effluent had COD contents of 14 mg.L-1, 3 mg N-NH4+.L-1, N-NO3- of 2 mg.L-1 and N NO2- of 3 mg.L-1. In view of the results it was possible to conclude that the structured bed reactor and intermittent aeration is efficient for the simultaneous removal of carbonaceous and nitrogenous organic matter with a influent containing a mixture of crude sewage and RALF effluent in the most different proportions.O consumo do oxigênio dissolvido nos corpos hídricos é um dos principais problemas resultantes da poluição nas águas por matéria orgânica. Outro ponto importante é a eutrofização, que é o crescimento excessivo das plantas devido ao excesso de nutrientes presentes nesse meio. As estações de tratamento de esgoto brasileiras costumam utilizar processos biológicos para a remoção da matéria orgânica e do nitrogênio. Nesse sentido visando a remoção simultânea da Demanda Química de Oxigênio (DQO) e de Nitrogênio Total (NT) do esgoto sanitário, o presente estudo teve como objetivo avaliar a eficiência de um reator de leito estruturado com aeração intermitente, com períodos de aeração de 60 minutos seguidos de 120 minutos sem aeração, a cada ciclo de 180 minutos. O reator foi operado com Tempo de Detenção Hidráulica (TDH) de 8 horas, temperatura de 30 ± 1ºC, alimentação contínua e razão de recirculação igual a 2. Foram realizados 5 ensaios que se diferenciaram em a composição do afluente. Os afluentes foram compostos por uma combinação de parcelas de esgoto sanitário bruto da Estação de Tratamento de Esgoto (ETE) Verde e efluente de Reator Anaeróbio de Leito Fluidizado (RALF) da mesma ETE. As concentrações de cada parcela no afluente foram de 0%, 25%, 50%, 75% e 100%. Como meio suporte para a fixação dos microrganismos foram utilizados 13 cilindros de espuma de poliuretano dispostos verticalmente no reator. Para avaliação da eficiência do processo, foram realizadas as análises de pH, alcalinidade, Nitrogênio Total Kjeldahl (NTK), nitrogênio amoniacal (N-NH4+), nitrito (N-NO2-), nitrato (N-NO3-), Demanda Química de Oxigênio (DQO) e fósforo. A eficiência mínima de remoção de DQO obtida foi de 76% e a máxima de 95%, porém os resultados apontaram que não houve diferença estatística significativa entre os ensaios para esse parâmetro. A melhor eficiência de remoção de NT foi de 78%, com afluente composto apenas por efluente do RALF, que foi o ensaio 3. Nestas condições o efluente apresentou teores de DQO de 14 mg.L-1, de N-NH4+ de 3 mg.L-1, de N-NO3- de 2 mg.L-1 e de N-NO2- de 3 mg.L-1. Diante dos resultados foi possível concluir que o reator de leito estruturado e aeração intermitente é eficiente para a remoção simultânea da matéria orgânica carbonácea e nitrogenada com afluente contendo uma mistura do esgoto bruto e efluente de RALF nas mais diferentes proporções.Submitted by Fabiano Jucá (fjuca@unicentro.br) on 2019-04-02T16:21:01Z No. of bitstreams: 1 Ana Claudia Wendling.pdf: 1711317 bytes, checksum: d731d29da50cf53bc84dba2a343b582d (MD5)Made available in DSpace on 2019-04-02T16:21:01Z (GMT). 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dc.title.por.fl_str_mv |
REMOÇÃO SIMULTÂNEA DE MATÉRIA ORGANICA E NITROGÊNIO TOTAL EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE TRATANDO EFLUENTE COMPOSTO POR ESGOTO BRUTO E EFLUENTE DE RALF |
title |
REMOÇÃO SIMULTÂNEA DE MATÉRIA ORGANICA E NITROGÊNIO TOTAL EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE TRATANDO EFLUENTE COMPOSTO POR ESGOTO BRUTO E EFLUENTE DE RALF |
spellingShingle |
REMOÇÃO SIMULTÂNEA DE MATÉRIA ORGANICA E NITROGÊNIO TOTAL EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE TRATANDO EFLUENTE COMPOSTO POR ESGOTO BRUTO E EFLUENTE DE RALF WENDLING, ANA CLAUDIA reator biológico esgoto sanitário espuma de poliuretano desnitrificação nitrificação biological reactor sanitary sewage polyurethane foam denitrification nitrification ENGENHARIAS ENGENHARIAS::ENGENHARIA SANITARIA |
title_short |
REMOÇÃO SIMULTÂNEA DE MATÉRIA ORGANICA E NITROGÊNIO TOTAL EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE TRATANDO EFLUENTE COMPOSTO POR ESGOTO BRUTO E EFLUENTE DE RALF |
title_full |
REMOÇÃO SIMULTÂNEA DE MATÉRIA ORGANICA E NITROGÊNIO TOTAL EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE TRATANDO EFLUENTE COMPOSTO POR ESGOTO BRUTO E EFLUENTE DE RALF |
title_fullStr |
REMOÇÃO SIMULTÂNEA DE MATÉRIA ORGANICA E NITROGÊNIO TOTAL EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE TRATANDO EFLUENTE COMPOSTO POR ESGOTO BRUTO E EFLUENTE DE RALF |
title_full_unstemmed |
REMOÇÃO SIMULTÂNEA DE MATÉRIA ORGANICA E NITROGÊNIO TOTAL EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE TRATANDO EFLUENTE COMPOSTO POR ESGOTO BRUTO E EFLUENTE DE RALF |
title_sort |
REMOÇÃO SIMULTÂNEA DE MATÉRIA ORGANICA E NITROGÊNIO TOTAL EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE TRATANDO EFLUENTE COMPOSTO POR ESGOTO BRUTO E EFLUENTE DE RALF |
author |
WENDLING, ANA CLAUDIA |
author_facet |
WENDLING, ANA CLAUDIA |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Barana, Ana Cláudia |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/1251375044697776 |
dc.contributor.authorID.fl_str_mv |
077.783.249-62 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/9105147927961513 |
dc.contributor.author.fl_str_mv |
WENDLING, ANA CLAUDIA |
contributor_str_mv |
Barana, Ana Cláudia |
dc.subject.por.fl_str_mv |
reator biológico esgoto sanitário espuma de poliuretano desnitrificação nitrificação |
topic |
reator biológico esgoto sanitário espuma de poliuretano desnitrificação nitrificação biological reactor sanitary sewage polyurethane foam denitrification nitrification ENGENHARIAS ENGENHARIAS::ENGENHARIA SANITARIA |
dc.subject.eng.fl_str_mv |
biological reactor sanitary sewage polyurethane foam denitrification nitrification |
dc.subject.cnpq.fl_str_mv |
ENGENHARIAS ENGENHARIAS::ENGENHARIA SANITARIA |
description |
The consumption of dissolved oxygen in water bodies is one of the main problems resulting from water pollution by organic matter. Another important point is eutrophication, which is the excessive growth of plants due to the excess of nutrients present in this medium. Brazilian sewage treatment plants usually use biological processes for the removal of organic matter and nitrogen. In this sense, aiming at the simultaneous removal of Chemical Oxygen Demand (COD) and Total Nitrogen (TN) from sanitary sewage, the present study aimed to evaluate the efficiency of a structured bed reactor with intermittent aeration, with aeration periods of 60 Minutes followed by 120 minutes without aeration, with each cycle of 180 minutes. The reactor was operated with Hydraulic Detention Time (HDT) of 8 hours, temperature of 30 ± 1ºC, continuous feed and recirculation ratio equal to 2. Five trials were performed that differed in the composition of the influent. The influente were composed of a combination of raw sewage plots from the Green Sewage Treatment Station (ETE) and the Fluidized Bed Anaerobic Reactor (RALF) effluent from the same ETE. The concentrations of each plot in the affluent were 0%, 25%, 50%, 75% and 100%. As a support medium for Microorganisms were used 13 polyurethane foam cylinders arranged vertically in the reactor. In order to evaluate the efficiency of the process, pH, alkalinity, Total Kjeldahl Nitrogen (TKN), ammoniacal nitrogen (N-NH4+), nitrite (N-NO2-), nitrate (N-NO3-), Chemical Demand Oxygen (COD) and phosphorus. The minimum COD removal efficiency obtained was 76% and the maximum of 95%, but the results showed that there was no significant statistical difference between the tests for this parameter. The best effluent removal efficiency was 78%, with an effluent composed only of RALF effluent, which was test 3. Under these conditions, the effluent had COD contents of 14 mg.L-1, 3 mg N-NH4+.L-1, N-NO3- of 2 mg.L-1 and N NO2- of 3 mg.L-1. In view of the results it was possible to conclude that the structured bed reactor and intermittent aeration is efficient for the simultaneous removal of carbonaceous and nitrogenous organic matter with a influent containing a mixture of crude sewage and RALF effluent in the most different proportions. |
publishDate |
2017 |
dc.date.issued.fl_str_mv |
2017-05-19 |
dc.date.accessioned.fl_str_mv |
2019-04-02T16:21:01Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
format |
doctoralThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
WENDLING, ANA CLAUDIA. REMOÇÃO SIMULTÂNEA DE MATÉRIA ORGANICA E NITROGÊNIO TOTAL EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE TRATANDO EFLUENTE COMPOSTO POR ESGOTO BRUTO E EFLUENTE DE RALF. 2017. 64 f. Tese (Programa de Pós-Graduação em Engenharia Sanitária e Ambiental - Mestrado / Associação Ampla com UEPG) - Universidade Estadual do Centro-Oeste, Ponta Grossa - PR. |
dc.identifier.uri.fl_str_mv |
http://tede.unicentro.br:8080/jspui/handle/jspui/967 |
identifier_str_mv |
WENDLING, ANA CLAUDIA. REMOÇÃO SIMULTÂNEA DE MATÉRIA ORGANICA E NITROGÊNIO TOTAL EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE TRATANDO EFLUENTE COMPOSTO POR ESGOTO BRUTO E EFLUENTE DE RALF. 2017. 64 f. Tese (Programa de Pós-Graduação em Engenharia Sanitária e Ambiental - Mestrado / Associação Ampla com UEPG) - Universidade Estadual do Centro-Oeste, Ponta Grossa - PR. |
url |
http://tede.unicentro.br:8080/jspui/handle/jspui/967 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.program.fl_str_mv |
8192256085508296768 |
dc.relation.confidence.fl_str_mv |
600 600 600 600 600 |
dc.relation.department.fl_str_mv |
-7661102638863479717 |
dc.relation.cnpq.fl_str_mv |
4518971056484826825 4980055448743338403 |
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2075167498588264571 |
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info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Estadual do Centro-Oeste |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Engenharia Sanitária e Ambiental (Mestrado / Associação Ampla com UEPG) |
dc.publisher.initials.fl_str_mv |
UNICENTRO |
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Brasil |
dc.publisher.department.fl_str_mv |
Unicentro::Departamento de Ciências Agrárias e Ambientais |
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Universidade Estadual do Centro-Oeste |
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Universidade Estadual do Centro-Oeste (UNICENTRO) |
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UNICENTRO |
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UNICENTRO |
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Biblioteca Digital de Teses e Dissertações do UNICENTRO |
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Biblioteca Digital de Teses e Dissertações do UNICENTRO |
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Biblioteca Digital de Teses e Dissertações do UNICENTRO - Universidade Estadual do Centro-Oeste (UNICENTRO) |
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repositorio@unicentro.br||fabianoqueiroz@yahoo.com.br |
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1801859373188775936 |