Desinfecção solar de esgoto doméstico para uso na agricultura familiar

Detalhes bibliográficos
Autor(a) principal: Román, Rodrigo Máximo Sánchez
Data de Publicação: 2006
Tipo de documento: Tese
Idioma: por
Título da fonte: LOCUS Repositório Institucional da UFV
Texto Completo: http://locus.ufv.br/handle/123456789/662
Resumo: A pilot study to disinfect domestic wastewater using solar radiation was built in the Experimental Station for Domestic Wastewater Treatment for Use in Agriculture (ESDWT-UA) of the Departamento de Engenharia Agrícola at Universidade Federal de Viçosa, Minas Gerais, Brazil. The experimental station is located at 20º45'14" S, 42º52'53" W, altitude 648.74 meters above sea level (masl). The effluent from a residential development was used as supply; this treated domestic wastewater (TDWW) passed through a pretreatment unit, and primary treatment in septic tank with detention time of 14 hours. After that, in the solar reactor, the septic tank s effluent was exposed to solar radiation for eight hours in a batch system treatment. Samples of water were collected every two hours. The samples were analyzed for: dissolved oxygen, turbidity, chemical oxygen demand (COD), total suspended solids (TSS), total coliforms and Escherichia coli (E. coli). Water temperature in the solar reactor was taken every hour. An automatic meteorological station, installed at ESDWT-UA, was used to collect solar radiation data. All data were statistically analyzed, and a model was proposed to estimate the final E. coli population given the initial E. coli population in the TDWW, the TDWW depth to be treated at the solar reactor and the dose accumulated. Using the model proposed in this work, and the insolation values for 202 meteorological stations distributed throughout Brazil, the time of exposure necessary to disinfect the TDWW was determined reducing the E. coli population to values recommended by World Health Organization (WHO) for irrigation water to be used without any sanitary restriction in agriculture. 48 maps with the exposure times for monthly distribution were elaborated for four depths (0.05, 0.10, 0.15, 0.20 m) of TDWW to be used in Brazil. The financial viability of this project was evaluated considering a family of four people. The analysis considering: the initial investment, costs (maintenance, seeds, implements, debt payments, etc.), and incomes generated by the production of food in the family vegetable garden. It was found that the present value (VPL), the capital rate of return (TRC), internal rate of return (TIR) and cost/benefit (C/B) relationship were all favorable to the implantation of the project when Programa Nacional de Fortalecimento da Agricultura Familiar Mulher PRONAF - Mulher), for four scenarios analyzed was considered as source of financing.
id UFV_f90f83bac8793186639328d76de1d59b
oai_identifier_str oai:locus.ufv.br:123456789/662
network_acronym_str UFV
network_name_str LOCUS Repositório Institucional da UFV
repository_id_str 2145
spelling Román, Rodrigo Máximo Sánchezhttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4734148D6Soares, Antonio Alveshttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4787014Z2Sediyama, Gilberto Chohakuhttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4788051E6Mounteer, Ann Honorhttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4723208Y4Oliveira, Rubens Alves dehttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4785359E1Penna, Jorge Adíliohttp://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4766264D72015-03-26T12:31:10Z2007-01-082015-03-26T12:31:10Z2006-04-17ROMÁN, Rodrigo Máximo Sánchez. Domestic wastewater solar disinfection for reuse in family agriculture. 2006. 7 f. Tese (Doutorado em Construções rurais e ambiência; Energia na agricultura; Mecanização agrícola; Processamento de produ) - Universidade Federal de Viçosa, Viçosa, 2006.http://locus.ufv.br/handle/123456789/662A pilot study to disinfect domestic wastewater using solar radiation was built in the Experimental Station for Domestic Wastewater Treatment for Use in Agriculture (ESDWT-UA) of the Departamento de Engenharia Agrícola at Universidade Federal de Viçosa, Minas Gerais, Brazil. The experimental station is located at 20º45'14" S, 42º52'53" W, altitude 648.74 meters above sea level (masl). The effluent from a residential development was used as supply; this treated domestic wastewater (TDWW) passed through a pretreatment unit, and primary treatment in septic tank with detention time of 14 hours. After that, in the solar reactor, the septic tank s effluent was exposed to solar radiation for eight hours in a batch system treatment. Samples of water were collected every two hours. The samples were analyzed for: dissolved oxygen, turbidity, chemical oxygen demand (COD), total suspended solids (TSS), total coliforms and Escherichia coli (E. coli). Water temperature in the solar reactor was taken every hour. An automatic meteorological station, installed at ESDWT-UA, was used to collect solar radiation data. All data were statistically analyzed, and a model was proposed to estimate the final E. coli population given the initial E. coli population in the TDWW, the TDWW depth to be treated at the solar reactor and the dose accumulated. Using the model proposed in this work, and the insolation values for 202 meteorological stations distributed throughout Brazil, the time of exposure necessary to disinfect the TDWW was determined reducing the E. coli population to values recommended by World Health Organization (WHO) for irrigation water to be used without any sanitary restriction in agriculture. 48 maps with the exposure times for monthly distribution were elaborated for four depths (0.05, 0.10, 0.15, 0.20 m) of TDWW to be used in Brazil. The financial viability of this project was evaluated considering a family of four people. The analysis considering: the initial investment, costs (maintenance, seeds, implements, debt payments, etc.), and incomes generated by the production of food in the family vegetable garden. It was found that the present value (VPL), the capital rate of return (TRC), internal rate of return (TIR) and cost/benefit (C/B) relationship were all favorable to the implantation of the project when Programa Nacional de Fortalecimento da Agricultura Familiar Mulher PRONAF - Mulher), for four scenarios analyzed was considered as source of financing.Um sistema piloto para desinfetar o esgoto doméstico usando a radiação solar (SODIS) foi construído na Estação Experimental para Tratamento de Águas Residuárias Domésticas para Uso na Agricultura (EETARD-UA) do Departamento de Engenharia Agrícola da Universidade Federal de Viçosa, estado de Minas Gerais, Brasil. A Estação Experimental encontra-se a 20º45 14 S, 42º52 53 W, na altitude de 648,74 m acima do nível do mar. No reator, construído com blocos de concreto, foi aplicada água residuária doméstica tratada (ARDT) a qual passou por: a) tratamento preliminar; e b) tratamento primário em tanque séptico, com tempo de detenção de aproximadamente 14 horas. No reator solar, o efluente do tanque séptico permaneceu durante oito horas, em sistemas de tratamento em batelada. Amostras da água residuária foram retiradas a cada duas horas. As análises nelas realizadas foram: oxigênio dissolvido, turbidez, demanda química de oxigênio (DQO), sólidos suspensos totais (SST), coliformes totais e Escherichia coli (E. coli). A temperatura da água no reator solar foi medida a cada hora. Uma estação meteorológica automática, instalada na área da EETARD-UA, foi usada para coletar os dados de radiação solar. Todos os dados foram analisados estatisticamente e foi proposto um modelo para estimar a população final de E. coli, a partir da população inicialmente presente na água residuária, da lâmina de ARDT a ser tratada no reator solar e da quantidade de radiação. Usando esse modelo e os valores de horas de insolação de 202 estações meteorológicas distribuídas por todo o Brasil, foi determinado o tempo de exposição necessário para desinfetar a ARDT, objetivando o seu uso posterior como fertirrigação em agricultura familiar, com garantias de que a exposição à radiação solar reduz a população de E. coli a níveis recomendados pela Organização Mundial da Saúde (OMS) para água a ser usada sem nenhuma restrição sanitária na irrigação de culturas agrícolas. Assim, foram elaborados 48 mapas da distribuição mensal dos tempos de exposição para quatro profundidades (0,05; 0,10; 0,15 e 0,20 m) de ARDT a serem tratadas no Brasil. A viabilidade financeira do projeto foi avaliada considerando-se um núcleo familiar de quatro pessoas. Foram destacados na análise: o investimento inicial, os custos (manutenção, sementes, implementos, o pagamento da dívida, etc.), e as entradas geradas pela produção de alimentos na horta familiar. Foi detectado que o valor presente líquido (VPL), a taxa interna de retorno (TIR), a taxa de retorno do capital (TRC) e a relação custo/benefício (C/B) foram favoráveis à implantação do projeto, quando foi considerado como fonte de financiamento o Programa Nacional de Fortalecimento da Agricultura Familiar Mulher (PRONAF - Mulher), nos quatro cenários analisados.Conselho Nacional de Desenvolvimento Científico e Tecnológicoapplication/pdfporUniversidade Federal de ViçosaDoutorado em Engenharia AgrícolaUFVBRConstruções rurais e ambiência; Energia na agricultura; Mecanização agrícola; Processamento de produEsgotosDesinfecção solarÁguas residuaisPurificaçãoDomestic wastewaterSolar disinfectionPurificationCNPQ::CIENCIAS AGRARIAS::ENGENHARIA AGRICOLA::ENGENHARIA DE AGUA E SOLODesinfecção solar de esgoto doméstico para uso na agricultura familiarDomestic wastewater solar disinfection for reuse in family agricultureinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisinfo:eu-repo/semantics/openAccessreponame:LOCUS Repositório Institucional da UFVinstname:Universidade Federal de Viçosa (UFV)instacron:UFVORIGINAL01 - capa_abstract.pdfapplication/pdf135663https://locus.ufv.br//bitstream/123456789/662/1/01%20-%20capa_abstract.pdff07c488415b4f3c1a3818aa058ffefb8MD51TEXT01 - capa_abstract.pdf.txt01 - capa_abstract.pdf.txtExtracted texttext/plain6514https://locus.ufv.br//bitstream/123456789/662/2/01%20-%20capa_abstract.pdf.txt1ffcf6912926d4a1154e8145d35fe020MD52THUMBNAIL01 - capa_abstract.pdf.jpg01 - capa_abstract.pdf.jpgIM Thumbnailimage/jpeg3636https://locus.ufv.br//bitstream/123456789/662/3/01%20-%20capa_abstract.pdf.jpgbb5bb275aa771f44c5fc434dbcb76793MD53123456789/6622016-04-06 23:11:35.328oai:locus.ufv.br:123456789/662Repositório InstitucionalPUBhttps://www.locus.ufv.br/oai/requestfabiojreis@ufv.bropendoar:21452016-04-07T02:11:35LOCUS Repositório Institucional da UFV - Universidade Federal de Viçosa (UFV)false
dc.title.por.fl_str_mv Desinfecção solar de esgoto doméstico para uso na agricultura familiar
dc.title.alternative.eng.fl_str_mv Domestic wastewater solar disinfection for reuse in family agriculture
title Desinfecção solar de esgoto doméstico para uso na agricultura familiar
spellingShingle Desinfecção solar de esgoto doméstico para uso na agricultura familiar
Román, Rodrigo Máximo Sánchez
Esgotos
Desinfecção solar
Águas residuais
Purificação
Domestic wastewater
Solar disinfection
Purification
CNPQ::CIENCIAS AGRARIAS::ENGENHARIA AGRICOLA::ENGENHARIA DE AGUA E SOLO
title_short Desinfecção solar de esgoto doméstico para uso na agricultura familiar
title_full Desinfecção solar de esgoto doméstico para uso na agricultura familiar
title_fullStr Desinfecção solar de esgoto doméstico para uso na agricultura familiar
title_full_unstemmed Desinfecção solar de esgoto doméstico para uso na agricultura familiar
title_sort Desinfecção solar de esgoto doméstico para uso na agricultura familiar
author Román, Rodrigo Máximo Sánchez
author_facet Román, Rodrigo Máximo Sánchez
author_role author
dc.contributor.authorLattes.por.fl_str_mv http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4734148D6
dc.contributor.author.fl_str_mv Román, Rodrigo Máximo Sánchez
dc.contributor.advisor1.fl_str_mv Soares, Antonio Alves
dc.contributor.advisor1Lattes.fl_str_mv http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4787014Z2
dc.contributor.referee1.fl_str_mv Sediyama, Gilberto Chohaku
dc.contributor.referee1Lattes.fl_str_mv http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4788051E6
dc.contributor.referee2.fl_str_mv Mounteer, Ann Honor
dc.contributor.referee2Lattes.fl_str_mv http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4723208Y4
dc.contributor.referee3.fl_str_mv Oliveira, Rubens Alves de
dc.contributor.referee3Lattes.fl_str_mv http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4785359E1
dc.contributor.referee4.fl_str_mv Penna, Jorge Adílio
dc.contributor.referee4Lattes.fl_str_mv http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4766264D7
contributor_str_mv Soares, Antonio Alves
Sediyama, Gilberto Chohaku
Mounteer, Ann Honor
Oliveira, Rubens Alves de
Penna, Jorge Adílio
dc.subject.por.fl_str_mv Esgotos
Desinfecção solar
Águas residuais
Purificação
topic Esgotos
Desinfecção solar
Águas residuais
Purificação
Domestic wastewater
Solar disinfection
Purification
CNPQ::CIENCIAS AGRARIAS::ENGENHARIA AGRICOLA::ENGENHARIA DE AGUA E SOLO
dc.subject.eng.fl_str_mv Domestic wastewater
Solar disinfection
Purification
dc.subject.cnpq.fl_str_mv CNPQ::CIENCIAS AGRARIAS::ENGENHARIA AGRICOLA::ENGENHARIA DE AGUA E SOLO
description A pilot study to disinfect domestic wastewater using solar radiation was built in the Experimental Station for Domestic Wastewater Treatment for Use in Agriculture (ESDWT-UA) of the Departamento de Engenharia Agrícola at Universidade Federal de Viçosa, Minas Gerais, Brazil. The experimental station is located at 20º45'14" S, 42º52'53" W, altitude 648.74 meters above sea level (masl). The effluent from a residential development was used as supply; this treated domestic wastewater (TDWW) passed through a pretreatment unit, and primary treatment in septic tank with detention time of 14 hours. After that, in the solar reactor, the septic tank s effluent was exposed to solar radiation for eight hours in a batch system treatment. Samples of water were collected every two hours. The samples were analyzed for: dissolved oxygen, turbidity, chemical oxygen demand (COD), total suspended solids (TSS), total coliforms and Escherichia coli (E. coli). Water temperature in the solar reactor was taken every hour. An automatic meteorological station, installed at ESDWT-UA, was used to collect solar radiation data. All data were statistically analyzed, and a model was proposed to estimate the final E. coli population given the initial E. coli population in the TDWW, the TDWW depth to be treated at the solar reactor and the dose accumulated. Using the model proposed in this work, and the insolation values for 202 meteorological stations distributed throughout Brazil, the time of exposure necessary to disinfect the TDWW was determined reducing the E. coli population to values recommended by World Health Organization (WHO) for irrigation water to be used without any sanitary restriction in agriculture. 48 maps with the exposure times for monthly distribution were elaborated for four depths (0.05, 0.10, 0.15, 0.20 m) of TDWW to be used in Brazil. The financial viability of this project was evaluated considering a family of four people. The analysis considering: the initial investment, costs (maintenance, seeds, implements, debt payments, etc.), and incomes generated by the production of food in the family vegetable garden. It was found that the present value (VPL), the capital rate of return (TRC), internal rate of return (TIR) and cost/benefit (C/B) relationship were all favorable to the implantation of the project when Programa Nacional de Fortalecimento da Agricultura Familiar Mulher PRONAF - Mulher), for four scenarios analyzed was considered as source of financing.
publishDate 2006
dc.date.issued.fl_str_mv 2006-04-17
dc.date.available.fl_str_mv 2007-01-08
2015-03-26T12:31:10Z
dc.date.accessioned.fl_str_mv 2015-03-26T12:31:10Z
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 ROMÁN, Rodrigo Máximo Sánchez. Domestic wastewater solar disinfection for reuse in family agriculture. 2006. 7 f. Tese (Doutorado em Construções rurais e ambiência; Energia na agricultura; Mecanização agrícola; Processamento de produ) - Universidade Federal de Viçosa, Viçosa, 2006.
dc.identifier.uri.fl_str_mv http://locus.ufv.br/handle/123456789/662
identifier_str_mv ROMÁN, Rodrigo Máximo Sánchez. Domestic wastewater solar disinfection for reuse in family agriculture. 2006. 7 f. Tese (Doutorado em Construções rurais e ambiência; Energia na agricultura; Mecanização agrícola; Processamento de produ) - Universidade Federal de Viçosa, Viçosa, 2006.
url http://locus.ufv.br/handle/123456789/662
dc.language.iso.fl_str_mv por
language por
dc.rights.driver.fl_str_mv 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 Federal de Viçosa
dc.publisher.program.fl_str_mv Doutorado em Engenharia Agrícola
dc.publisher.initials.fl_str_mv UFV
dc.publisher.country.fl_str_mv BR
dc.publisher.department.fl_str_mv Construções rurais e ambiência; Energia na agricultura; Mecanização agrícola; Processamento de produ
publisher.none.fl_str_mv Universidade Federal de Viçosa
dc.source.none.fl_str_mv reponame:LOCUS Repositório Institucional da UFV
instname:Universidade Federal de Viçosa (UFV)
instacron:UFV
instname_str Universidade Federal de Viçosa (UFV)
instacron_str UFV
institution UFV
reponame_str LOCUS Repositório Institucional da UFV
collection LOCUS Repositório Institucional da UFV
bitstream.url.fl_str_mv https://locus.ufv.br//bitstream/123456789/662/1/01%20-%20capa_abstract.pdf
https://locus.ufv.br//bitstream/123456789/662/2/01%20-%20capa_abstract.pdf.txt
https://locus.ufv.br//bitstream/123456789/662/3/01%20-%20capa_abstract.pdf.jpg
bitstream.checksum.fl_str_mv f07c488415b4f3c1a3818aa058ffefb8
1ffcf6912926d4a1154e8145d35fe020
bb5bb275aa771f44c5fc434dbcb76793
bitstream.checksumAlgorithm.fl_str_mv MD5
MD5
MD5
repository.name.fl_str_mv LOCUS Repositório Institucional da UFV - Universidade Federal de Viçosa (UFV)
repository.mail.fl_str_mv fabiojreis@ufv.br
_version_ 1801212996237656064