Tratamento de chorume de aterro sanitário por fotocatálise heterogênea integrada a processo biológico convencional
Autor(a) principal: | |
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Data de Publicação: | 2006 |
Outros Autores: | , |
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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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 |
_version_ |
1750318104979701760 |