REMOÇÃO DE MATÉRIA ORGÂNICA CARBONÁCEA E NITROGENADA DE ESGOTO SANITÁRIO EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações do UNICENTRO |
Texto Completo: | http://tede.unicentro.br:8080/jspui/handle/jspui/799 |
Resumo: | From the 90s, there was an increasing amount of resources invested in research, development and construction of wastewater treatment systems in order to reduce the amount of nutrients released into rivers. In Brazil, biological treatment systems used in part of the Effluent Treatment Plants (ETP), as Upflow Anaerobic Sludge Blanket (UASB) and activated sludge systems are effective in removing organic matter. However, they have limitations when the subject is considered the removal of nutrients such as nitrogen and phosphorus. Thus the present study was to evaluate the effectiveness of a structured bed reactor with intermittent aeration in removing organic matter and nitrogen from sewage. The hydraulic retention time (HRT) used was 12 hours, the temperature of 30 ± 1 ° C and the feed was continued. The reactor was operated for 339 days, during which were evaluated three different effluent recirculation flow, and 1Q 2Q 3Q and three different aeration times, where the reactor was aerated 1h, 2h, and 3h in 3 hours cycles, totaling 9 trials. It was in all tests performed Demand Chemical Oxygen removal (COD) and total nitrogen (TN) of at least 69.8% and 29.5%, respectively, and at most 89 , 2% and 55.5%, respectively. Statistical analysis showed no significant difference to the results of COD between tests. There was a strong positive correlation between denitrification and removal of NT, indicating that denitrification the limiting procedure. The lowest concentration of N-NH4, 3.1 mg.L-1, was achieved in Test 4, with recirculation of 2Q and aeration of 1h. In the same test the effluent COD was 40 mg.L-1. Analyzing the results we conclude that the structured bed reactor shows promise for concomitant removal of organic matter and total nitrogen. |
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Barana, Ana Cláudiahttp://lattes.cnpq.br/1251375044697776058.737.099-80http://lattes.cnpq.br/5403917425423889LEICK, SHEILLA ANDRADE2017-08-18T14:05:30Z2016-04-29LEICK, SHEILLA ANDRADE. REMOÇÃO DE MATÉRIA ORGÂNICA CARBONÁCEA E NITROGENADA DE ESGOTO SANITÁRIO EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE. 2016. 55 f. Dissertação (Programa de Pós-Graduação em Engenharia Sanitária e Ambiental - Mestrado / Associação Ampla com UEPG) - Universidade Estadual do Centro-Oeste, Irati - PR.http://tede.unicentro.br:8080/jspui/handle/jspui/799From the 90s, there was an increasing amount of resources invested in research, development and construction of wastewater treatment systems in order to reduce the amount of nutrients released into rivers. In Brazil, biological treatment systems used in part of the Effluent Treatment Plants (ETP), as Upflow Anaerobic Sludge Blanket (UASB) and activated sludge systems are effective in removing organic matter. However, they have limitations when the subject is considered the removal of nutrients such as nitrogen and phosphorus. Thus the present study was to evaluate the effectiveness of a structured bed reactor with intermittent aeration in removing organic matter and nitrogen from sewage. The hydraulic retention time (HRT) used was 12 hours, the temperature of 30 ± 1 ° C and the feed was continued. The reactor was operated for 339 days, during which were evaluated three different effluent recirculation flow, and 1Q 2Q 3Q and three different aeration times, where the reactor was aerated 1h, 2h, and 3h in 3 hours cycles, totaling 9 trials. It was in all tests performed Demand Chemical Oxygen removal (COD) and total nitrogen (TN) of at least 69.8% and 29.5%, respectively, and at most 89 , 2% and 55.5%, respectively. Statistical analysis showed no significant difference to the results of COD between tests. There was a strong positive correlation between denitrification and removal of NT, indicating that denitrification the limiting procedure. The lowest concentration of N-NH4, 3.1 mg.L-1, was achieved in Test 4, with recirculation of 2Q and aeration of 1h. In the same test the effluent COD was 40 mg.L-1. Analyzing the results we conclude that the structured bed reactor shows promise for concomitant removal of organic matter and total nitrogen.A partir da década de 90, houve uma crescente quantidade de recursos investidos na pesquisa, elaboração e construção de sistemas de tratamento de esgotos, visando diminuir a quantidade de nutrientes lançados em corpos d’água. No Brasil, os sistemas de tratamento biológico utilizados em parte das Estações de Tratamento de Efluentes (ETE), como os Reatores Anaeróbios de Leito Fluidizado (RALF) e os sistemas de lodos ativados, são eficientes na remoção de matéria orgânica. Entretanto, deixam muito a desejar quando o quesito analisado é remoção de nutrientes, como nitrogênio e fósforo. Assim o presente trabalho teve como objetivo avaliar a eficiência de um reator de leito estruturado com aeração intermitente na remoção de matéria orgânica carbonácea e nitrogenada de esgoto sanitário. O reator durante toda o funcionamento foi operado com Tempo de Detenção Hidráulica (TDH) de 12 horas, temperatura de 30 ± 1ºC, alimentação contínua e aeração intermitente. O reator foi operado durante 339 dias, período no qual foram avaliadas três diferentes vazões de recirculação (Qr) do efluente, 3Q, 2Q e 1Q, onde Q é a vazão afluente, e três diferentes tempos de aeração, de 1h, 2h, e 3h em ciclos de 3 horas, totalizando 9 ensaios. Verificou-se, em todos os ensaios realizados, remoção de Demanda Química de Oxigênio (DQO) e de Nitrogênio Total (NT) de, no mínimo, 69,8% e 29,5%, respectivamente, e de, no máximo, 89,2% e 55,5%, respectivamente. Análise estatística indicou não haver diferença significativa para os resultados de DQO entre os ensaios. Houve correlação forte e positiva entre desnitrificação e remoção de NT, indicando ser a desnitrificação a fase limitante do processo. A menor concentração de N-NH4 (3,1 mg.L-1), foi obtida no ensaio 4, com condições de recirculação de 2Q e aeração de 1h. Nesse mesmo ensaio a DQO efluente foi de 40 mg.L-1. Analisando-se os resultados obtidos é possível concluir que o reator de leito estruturado se mostra promissor para remoção concomitante de matéria orgânica e nitrogênio total.Submitted by Fabiano Jucá (fjuca@unicentro.br) on 2017-08-18T14:05:30Z No. of bitstreams: 1 Sheilla Andrade Leick.pdf: 1791897 bytes, checksum: cd7dbdf585331e806a544aa9417dcf88 (MD5)Made available in DSpace on 2017-08-18T14:05:30Z (GMT). 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dc.title.por.fl_str_mv |
REMOÇÃO DE MATÉRIA ORGÂNICA CARBONÁCEA E NITROGENADA DE ESGOTO SANITÁRIO EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE |
title |
REMOÇÃO DE MATÉRIA ORGÂNICA CARBONÁCEA E NITROGENADA DE ESGOTO SANITÁRIO EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE |
spellingShingle |
REMOÇÃO DE MATÉRIA ORGÂNICA CARBONÁCEA E NITROGENADA DE ESGOTO SANITÁRIO EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE LEICK, SHEILLA ANDRADE esgoto sanitário desnitrificação nitrificação reator de leito estruturado sewage denitrification nitrification structured bed reactor ENGENHARIAS ENGENHARIAS::ENGENHARIA SANITARIA |
title_short |
REMOÇÃO DE MATÉRIA ORGÂNICA CARBONÁCEA E NITROGENADA DE ESGOTO SANITÁRIO EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE |
title_full |
REMOÇÃO DE MATÉRIA ORGÂNICA CARBONÁCEA E NITROGENADA DE ESGOTO SANITÁRIO EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE |
title_fullStr |
REMOÇÃO DE MATÉRIA ORGÂNICA CARBONÁCEA E NITROGENADA DE ESGOTO SANITÁRIO EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE |
title_full_unstemmed |
REMOÇÃO DE MATÉRIA ORGÂNICA CARBONÁCEA E NITROGENADA DE ESGOTO SANITÁRIO EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE |
title_sort |
REMOÇÃO DE MATÉRIA ORGÂNICA CARBONÁCEA E NITROGENADA DE ESGOTO SANITÁRIO EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE |
author |
LEICK, SHEILLA ANDRADE |
author_facet |
LEICK, SHEILLA ANDRADE |
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 |
058.737.099-80 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/5403917425423889 |
dc.contributor.author.fl_str_mv |
LEICK, SHEILLA ANDRADE |
contributor_str_mv |
Barana, Ana Cláudia |
dc.subject.por.fl_str_mv |
esgoto sanitário desnitrificação nitrificação reator de leito estruturado |
topic |
esgoto sanitário desnitrificação nitrificação reator de leito estruturado sewage denitrification nitrification structured bed reactor ENGENHARIAS ENGENHARIAS::ENGENHARIA SANITARIA |
dc.subject.eng.fl_str_mv |
sewage denitrification nitrification structured bed reactor |
dc.subject.cnpq.fl_str_mv |
ENGENHARIAS ENGENHARIAS::ENGENHARIA SANITARIA |
description |
From the 90s, there was an increasing amount of resources invested in research, development and construction of wastewater treatment systems in order to reduce the amount of nutrients released into rivers. In Brazil, biological treatment systems used in part of the Effluent Treatment Plants (ETP), as Upflow Anaerobic Sludge Blanket (UASB) and activated sludge systems are effective in removing organic matter. However, they have limitations when the subject is considered the removal of nutrients such as nitrogen and phosphorus. Thus the present study was to evaluate the effectiveness of a structured bed reactor with intermittent aeration in removing organic matter and nitrogen from sewage. The hydraulic retention time (HRT) used was 12 hours, the temperature of 30 ± 1 ° C and the feed was continued. The reactor was operated for 339 days, during which were evaluated three different effluent recirculation flow, and 1Q 2Q 3Q and three different aeration times, where the reactor was aerated 1h, 2h, and 3h in 3 hours cycles, totaling 9 trials. It was in all tests performed Demand Chemical Oxygen removal (COD) and total nitrogen (TN) of at least 69.8% and 29.5%, respectively, and at most 89 , 2% and 55.5%, respectively. Statistical analysis showed no significant difference to the results of COD between tests. There was a strong positive correlation between denitrification and removal of NT, indicating that denitrification the limiting procedure. The lowest concentration of N-NH4, 3.1 mg.L-1, was achieved in Test 4, with recirculation of 2Q and aeration of 1h. In the same test the effluent COD was 40 mg.L-1. Analyzing the results we conclude that the structured bed reactor shows promise for concomitant removal of organic matter and total nitrogen. |
publishDate |
2016 |
dc.date.issued.fl_str_mv |
2016-04-29 |
dc.date.accessioned.fl_str_mv |
2017-08-18T14:05:30Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/masterThesis |
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masterThesis |
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LEICK, SHEILLA ANDRADE. REMOÇÃO DE MATÉRIA ORGÂNICA CARBONÁCEA E NITROGENADA DE ESGOTO SANITÁRIO EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE. 2016. 55 f. Dissertação (Programa de Pós-Graduação em Engenharia Sanitária e Ambiental - Mestrado / Associação Ampla com UEPG) - Universidade Estadual do Centro-Oeste, Irati - PR. |
dc.identifier.uri.fl_str_mv |
http://tede.unicentro.br:8080/jspui/handle/jspui/799 |
identifier_str_mv |
LEICK, SHEILLA ANDRADE. REMOÇÃO DE MATÉRIA ORGÂNICA CARBONÁCEA E NITROGENADA DE ESGOTO SANITÁRIO EM REATOR DE LEITO ESTRUTURADO COM AERAÇÃO INTERMITENTE. 2016. 55 f. Dissertação (Programa de Pós-Graduação em Engenharia Sanitária e Ambiental - Mestrado / Associação Ampla com UEPG) - Universidade Estadual do Centro-Oeste, Irati - PR. |
url |
http://tede.unicentro.br:8080/jspui/handle/jspui/799 |
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por |
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por |
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Universidade Estadual do Centro-Oeste |
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Programa de Pós-Graduação em Engenharia Sanitária e Ambiental (Mestrado / Associação Ampla com UEPG) |
dc.publisher.initials.fl_str_mv |
UNICENTRO |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Unicentro::Departamento de Ciências Agrárias e Ambientais |
publisher.none.fl_str_mv |
Universidade Estadual do Centro-Oeste |
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