Hybrid gravitational microfiltration system for drinking water purification
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista Ambiente & Água |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1980-993X2017000200168 |
Resumo: | Abstract This study evaluates the application of a polymeric microfiltration membrane in a gravitational filtration module and its combination with granular activated carbon (GAC) impregnated with copper, resulting in a hybrid process. The proposed system would be used to improve the quality of water for human consumption in developing countries. Permeate flux, pH, Escherichia coli removal, color, turbidity and free chlorine removals were evaluated in the applied process. Instrumental techniques, such as N2 adsorption at 77 K, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy (EDX) analyses were used to characterize the proposed membrane and adsorbent. The GAC ensured higher chlorine removals, as well as higher permeate flux. Furthermore, the GAC impregnated with copper oxide nanoparticles exhibited higher Escherichia coli removal. Therefore, the hybrid gravitational membrane system applying GAC impregnated with copper oxide could be considered as a potential alternative point-of-use treatment to improve the quality of water for human consumption. |
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Hybrid gravitational microfiltration system for drinking water purificationactivated carboncopperEscherichia colimembrane.Abstract This study evaluates the application of a polymeric microfiltration membrane in a gravitational filtration module and its combination with granular activated carbon (GAC) impregnated with copper, resulting in a hybrid process. The proposed system would be used to improve the quality of water for human consumption in developing countries. Permeate flux, pH, Escherichia coli removal, color, turbidity and free chlorine removals were evaluated in the applied process. Instrumental techniques, such as N2 adsorption at 77 K, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy (EDX) analyses were used to characterize the proposed membrane and adsorbent. The GAC ensured higher chlorine removals, as well as higher permeate flux. Furthermore, the GAC impregnated with copper oxide nanoparticles exhibited higher Escherichia coli removal. Therefore, the hybrid gravitational membrane system applying GAC impregnated with copper oxide could be considered as a potential alternative point-of-use treatment to improve the quality of water for human consumption.Instituto de Pesquisas Ambientais em Bacias Hidrográficas2017-04-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1980-993X2017000200168Revista Ambiente & Água v.12 n.2 2017reponame:Revista Ambiente & Águainstname:Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHI)instacron:IPABHI10.4136/ambi-agua.2047info:eu-repo/semantics/openAccessYamaguchi,Natália UedaAbe,Silvia Amélia LiwaMedeiros,Flávia Vieira da SilvaVieira,Angélica Marquetotti SalcedoBergamasco,Rosangelaeng2017-03-13T00:00:00Zoai:scielo:S1980-993X2017000200168Revistahttp://www.ambi-agua.net/PUBhttps://old.scielo.br/oai/scielo-oai.php||ambi.agua@gmail.com1980-993X1980-993Xopendoar:2017-03-13T00:00Revista Ambiente & Água - Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHI)false |
dc.title.none.fl_str_mv |
Hybrid gravitational microfiltration system for drinking water purification |
title |
Hybrid gravitational microfiltration system for drinking water purification |
spellingShingle |
Hybrid gravitational microfiltration system for drinking water purification Yamaguchi,Natália Ueda activated carbon copper Escherichia coli membrane. |
title_short |
Hybrid gravitational microfiltration system for drinking water purification |
title_full |
Hybrid gravitational microfiltration system for drinking water purification |
title_fullStr |
Hybrid gravitational microfiltration system for drinking water purification |
title_full_unstemmed |
Hybrid gravitational microfiltration system for drinking water purification |
title_sort |
Hybrid gravitational microfiltration system for drinking water purification |
author |
Yamaguchi,Natália Ueda |
author_facet |
Yamaguchi,Natália Ueda Abe,Silvia Amélia Liwa Medeiros,Flávia Vieira da Silva Vieira,Angélica Marquetotti Salcedo Bergamasco,Rosangela |
author_role |
author |
author2 |
Abe,Silvia Amélia Liwa Medeiros,Flávia Vieira da Silva Vieira,Angélica Marquetotti Salcedo Bergamasco,Rosangela |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Yamaguchi,Natália Ueda Abe,Silvia Amélia Liwa Medeiros,Flávia Vieira da Silva Vieira,Angélica Marquetotti Salcedo Bergamasco,Rosangela |
dc.subject.por.fl_str_mv |
activated carbon copper Escherichia coli membrane. |
topic |
activated carbon copper Escherichia coli membrane. |
description |
Abstract This study evaluates the application of a polymeric microfiltration membrane in a gravitational filtration module and its combination with granular activated carbon (GAC) impregnated with copper, resulting in a hybrid process. The proposed system would be used to improve the quality of water for human consumption in developing countries. Permeate flux, pH, Escherichia coli removal, color, turbidity and free chlorine removals were evaluated in the applied process. Instrumental techniques, such as N2 adsorption at 77 K, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy (EDX) analyses were used to characterize the proposed membrane and adsorbent. The GAC ensured higher chlorine removals, as well as higher permeate flux. Furthermore, the GAC impregnated with copper oxide nanoparticles exhibited higher Escherichia coli removal. Therefore, the hybrid gravitational membrane system applying GAC impregnated with copper oxide could be considered as a potential alternative point-of-use treatment to improve the quality of water for human consumption. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-04-01 |
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=S1980-993X2017000200168 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1980-993X2017000200168 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.4136/ambi-agua.2047 |
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 |
Instituto de Pesquisas Ambientais em Bacias Hidrográficas |
publisher.none.fl_str_mv |
Instituto de Pesquisas Ambientais em Bacias Hidrográficas |
dc.source.none.fl_str_mv |
Revista Ambiente & Água v.12 n.2 2017 reponame:Revista Ambiente & Água instname:Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHI) instacron:IPABHI |
instname_str |
Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHI) |
instacron_str |
IPABHI |
institution |
IPABHI |
reponame_str |
Revista Ambiente & Água |
collection |
Revista Ambiente & Água |
repository.name.fl_str_mv |
Revista Ambiente & Água - Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHI) |
repository.mail.fl_str_mv |
||ambi.agua@gmail.com |
_version_ |
1752129749933621248 |