Tratamento de chorume de aterro sanitário por fotocatálise heterogênea integrada a processo biológico convencional

Detalhes bibliográficos
Autor(a) principal: Morais,Josmaria Lopes de
Data de Publicação: 2006
Outros Autores: Sirtori,Carla, Peralta-Zamora,Patricio G.
Tipo de documento: Artigo
Idioma: por
Título da fonte: Química Nova (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422006000100005
Resumo: The chemical and microbiological decomposition of the garbage deposited in landfills leads to the generation of a dark and malodorous liquid residue that shows a chemical composition of extreme variability and complexity. When matured, the leachates show low biodegradability, which makes it difficult to treat by conventional biological processes. In this work a new strategy for the treatment of landfill leachates is proposed, involving a preliminary treatment by heterogeneous photocatalysis followed by an activated sludge system. The results demonstrate that photochemical treatments of 60 and 90 min significantly enhance the leachates' biodegradability favoring subsequent biological treatment. The biodegradability rate (BOD/COD) was also greatly enhanced.
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spelling Tratamento de chorume de aterro sanitário por fotocatálise heterogênea integrada a processo biológico convencionallandfill leachatesheterogeneous photocatalysisbiodegradabilityThe chemical and microbiological decomposition of the garbage deposited in landfills leads to the generation of a dark and malodorous liquid residue that shows a chemical composition of extreme variability and complexity. When matured, the leachates show low biodegradability, which makes it difficult to treat by conventional biological processes. In this work a new strategy for the treatment of landfill leachates is proposed, involving a preliminary treatment by heterogeneous photocatalysis followed by an activated sludge system. The results demonstrate that photochemical treatments of 60 and 90 min significantly enhance the leachates' biodegradability favoring subsequent biological treatment. The biodegradability rate (BOD/COD) was also greatly enhanced.Sociedade Brasileira de Química2006-02-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422006000100005Química Nova v.29 n.1 2006reponame:Química Nova (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0100-40422006000100005info:eu-repo/semantics/openAccessMorais,Josmaria Lopes deSirtori,CarlaPeralta-Zamora,Patricio G.por2006-03-03T00:00:00Zoai:scielo:S0100-40422006000100005Revistahttps://www.scielo.br/j/qn/ONGhttps://old.scielo.br/oai/scielo-oai.phpquimicanova@sbq.org.br1678-70640100-4042opendoar:2006-03-03T00:00Química Nova (Online) - Sociedade Brasileira de Química (SBQ)false
dc.title.none.fl_str_mv Tratamento de chorume de aterro sanitário por fotocatálise heterogênea integrada a processo biológico convencional
title Tratamento de chorume de aterro sanitário por fotocatálise heterogênea integrada a processo biológico convencional
spellingShingle Tratamento de chorume de aterro sanitário por fotocatálise heterogênea integrada a processo biológico convencional
Morais,Josmaria Lopes de
landfill leachates
heterogeneous photocatalysis
biodegradability
title_short Tratamento de chorume de aterro sanitário por fotocatálise heterogênea integrada a processo biológico convencional
title_full Tratamento de chorume de aterro sanitário por fotocatálise heterogênea integrada a processo biológico convencional
title_fullStr Tratamento de chorume de aterro sanitário por fotocatálise heterogênea integrada a processo biológico convencional
title_full_unstemmed Tratamento de chorume de aterro sanitário por fotocatálise heterogênea integrada a processo biológico convencional
title_sort Tratamento de chorume de aterro sanitário por fotocatálise heterogênea integrada a processo biológico convencional
author Morais,Josmaria Lopes de
author_facet Morais,Josmaria Lopes de
Sirtori,Carla
Peralta-Zamora,Patricio G.
author_role author
author2 Sirtori,Carla
Peralta-Zamora,Patricio G.
author2_role author
author
dc.contributor.author.fl_str_mv Morais,Josmaria Lopes de
Sirtori,Carla
Peralta-Zamora,Patricio G.
dc.subject.por.fl_str_mv landfill leachates
heterogeneous photocatalysis
biodegradability
topic landfill leachates
heterogeneous photocatalysis
biodegradability
description The chemical and microbiological decomposition of the garbage deposited in landfills leads to the generation of a dark and malodorous liquid residue that shows a chemical composition of extreme variability and complexity. When matured, the leachates show low biodegradability, which makes it difficult to treat by conventional biological processes. In this work a new strategy for the treatment of landfill leachates is proposed, involving a preliminary treatment by heterogeneous photocatalysis followed by an activated sludge system. The results demonstrate that photochemical treatments of 60 and 90 min significantly enhance the leachates' biodegradability favoring subsequent biological treatment. The biodegradability rate (BOD/COD) was also greatly enhanced.
publishDate 2006
dc.date.none.fl_str_mv 2006-02-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422006000100005
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422006000100005
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv 10.1590/S0100-40422006000100005
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Química
publisher.none.fl_str_mv Sociedade Brasileira de Química
dc.source.none.fl_str_mv Química Nova v.29 n.1 2006
reponame:Química Nova (Online)
instname:Sociedade Brasileira de Química (SBQ)
instacron:SBQ
instname_str Sociedade Brasileira de Química (SBQ)
instacron_str SBQ
institution SBQ
reponame_str Química Nova (Online)
collection Química Nova (Online)
repository.name.fl_str_mv Química Nova (Online) - Sociedade Brasileira de Química (SBQ)
repository.mail.fl_str_mv quimicanova@sbq.org.br
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