The role of sediment humic substances in cu and cr concentrations in the pore water of a typical area of cultivation of sugar cane in São Paulo, Brazil
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , |
Tipo de documento: | Capítulo de livro |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1007/978-94-007-5634-2_113 http://hdl.handle.net/11449/227996 |
Resumo: | Humic substances (HS) have an important environmental property, the capacity of complexing metal species. Given this property, studies to understand the behavior of HS with metals are of great relevance. Thus, a study was performed to understand the interaction of sediment humic substances with copper(II) and chromium(III) and how such substances may influence the availability of these metals in pore water. The complexing capacity (CC) of HS with copper and chromium was determined by means of an ultrafiltration system with tangential flow and the values ranged from 0.39 to 0.63 mmol Cu g-1 HS and 0.22-0.90 mmol Cr g-1 HS for copper and chromium, respectively. It was observed that the greater the complexing ability of humic substances with Cr, the lower the concentration of metal present in the pore water. Copper did not show this pattern of behavior. Therefore, the HS are important in the reduction of metals in pore water, which may reduce the transport of metals in the sediment into the water column. |
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The role of sediment humic substances in cu and cr concentrations in the pore water of a typical area of cultivation of sugar cane in São Paulo, BrazilComplexationHumic substancesMetalsPore waterSedimentHumic substances (HS) have an important environmental property, the capacity of complexing metal species. Given this property, studies to understand the behavior of HS with metals are of great relevance. Thus, a study was performed to understand the interaction of sediment humic substances with copper(II) and chromium(III) and how such substances may influence the availability of these metals in pore water. The complexing capacity (CC) of HS with copper and chromium was determined by means of an ultrafiltration system with tangential flow and the values ranged from 0.39 to 0.63 mmol Cu g-1 HS and 0.22-0.90 mmol Cr g-1 HS for copper and chromium, respectively. It was observed that the greater the complexing ability of humic substances with Cr, the lower the concentration of metal present in the pore water. Copper did not show this pattern of behavior. Therefore, the HS are important in the reduction of metals in pore water, which may reduce the transport of metals in the sediment into the water column.Instituto de Biociências Letras e Ciências Exatas Department of Chemistry and Environmental Sciences Universidade Estadual Paulista Júlio de Mesquita FilhoInstituto de Biociências Letras e Ciências Exatas Department of Chemistry and Environmental Sciences Universidade Estadual Paulista Júlio de Mesquita FilhoUniversidade Estadual Paulista (UNESP)Pantano, G. [UNESP]Campanha, M. B. [UNESP]Moreira, A. B. [UNESP]Bisinoti, M. C. [UNESP]2022-04-29T07:26:05Z2022-04-29T07:26:05Z2013-08-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/bookPart627-631http://dx.doi.org/10.1007/978-94-007-5634-2_113Functions of Natural Organic Matter in Changing Environment, v. 9789400756342, p. 627-631.http://hdl.handle.net/11449/22799610.1007/978-94-007-5634-2_1132-s2.0-84932619659Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengFunctions of Natural Organic Matter in Changing Environmentinfo:eu-repo/semantics/openAccess2022-04-29T07:26:06Zoai:repositorio.unesp.br:11449/227996Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462022-04-29T07:26:06Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
The role of sediment humic substances in cu and cr concentrations in the pore water of a typical area of cultivation of sugar cane in São Paulo, Brazil |
title |
The role of sediment humic substances in cu and cr concentrations in the pore water of a typical area of cultivation of sugar cane in São Paulo, Brazil |
spellingShingle |
The role of sediment humic substances in cu and cr concentrations in the pore water of a typical area of cultivation of sugar cane in São Paulo, Brazil Pantano, G. [UNESP] Complexation Humic substances Metals Pore water Sediment |
title_short |
The role of sediment humic substances in cu and cr concentrations in the pore water of a typical area of cultivation of sugar cane in São Paulo, Brazil |
title_full |
The role of sediment humic substances in cu and cr concentrations in the pore water of a typical area of cultivation of sugar cane in São Paulo, Brazil |
title_fullStr |
The role of sediment humic substances in cu and cr concentrations in the pore water of a typical area of cultivation of sugar cane in São Paulo, Brazil |
title_full_unstemmed |
The role of sediment humic substances in cu and cr concentrations in the pore water of a typical area of cultivation of sugar cane in São Paulo, Brazil |
title_sort |
The role of sediment humic substances in cu and cr concentrations in the pore water of a typical area of cultivation of sugar cane in São Paulo, Brazil |
author |
Pantano, G. [UNESP] |
author_facet |
Pantano, G. [UNESP] Campanha, M. B. [UNESP] Moreira, A. B. [UNESP] Bisinoti, M. C. [UNESP] |
author_role |
author |
author2 |
Campanha, M. B. [UNESP] Moreira, A. B. [UNESP] Bisinoti, M. C. [UNESP] |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (UNESP) |
dc.contributor.author.fl_str_mv |
Pantano, G. [UNESP] Campanha, M. B. [UNESP] Moreira, A. B. [UNESP] Bisinoti, M. C. [UNESP] |
dc.subject.por.fl_str_mv |
Complexation Humic substances Metals Pore water Sediment |
topic |
Complexation Humic substances Metals Pore water Sediment |
description |
Humic substances (HS) have an important environmental property, the capacity of complexing metal species. Given this property, studies to understand the behavior of HS with metals are of great relevance. Thus, a study was performed to understand the interaction of sediment humic substances with copper(II) and chromium(III) and how such substances may influence the availability of these metals in pore water. The complexing capacity (CC) of HS with copper and chromium was determined by means of an ultrafiltration system with tangential flow and the values ranged from 0.39 to 0.63 mmol Cu g-1 HS and 0.22-0.90 mmol Cr g-1 HS for copper and chromium, respectively. It was observed that the greater the complexing ability of humic substances with Cr, the lower the concentration of metal present in the pore water. Copper did not show this pattern of behavior. Therefore, the HS are important in the reduction of metals in pore water, which may reduce the transport of metals in the sediment into the water column. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-08-01 2022-04-29T07:26:05Z 2022-04-29T07:26:05Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/bookPart |
format |
bookPart |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1007/978-94-007-5634-2_113 Functions of Natural Organic Matter in Changing Environment, v. 9789400756342, p. 627-631. http://hdl.handle.net/11449/227996 10.1007/978-94-007-5634-2_113 2-s2.0-84932619659 |
url |
http://dx.doi.org/10.1007/978-94-007-5634-2_113 http://hdl.handle.net/11449/227996 |
identifier_str_mv |
Functions of Natural Organic Matter in Changing Environment, v. 9789400756342, p. 627-631. 10.1007/978-94-007-5634-2_113 2-s2.0-84932619659 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Functions of Natural Organic Matter in Changing Environment |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
627-631 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1797789665582907392 |