Mass transfer of cadmium ions in a hollow-fiber module by pertraction
- Autores
- Marchese, Jose; Campderrós, Mercedes Edith
- Año de publicación
- 2004
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The facilitated transport of Cd(II) ions through a hollow-fiber-supported liquid membrane with bis-2-ethylhexyl phosphoric acid as carrier was studied. The mass transfer rate, expressed as permeability P, was measured as a function of mean aqueous solution velocity and carrier concentration. Characteristic ion permeabilities of 10-26×10-7m/s were measured at feed velocities between 1×10-2-19×10-2 m/s at stripping velocities between 0.22×10-2-7×10-2 m/s with constant feed flow. The measured permeabilities were compared to generally accepted mass transfer correlations. The predicted permeabilities adequately fit the experimental data, indicating that the rate limiting step in the transport of the ion was the diffusion through both aqueous films, feed and stripping, whereas the organic resistance of the membrane was negligible. Furthermore, the proposed model allowed the prediction of the permeability of cadmium for different experimental conditions, which is useful to perform experiments to reduce metal levels in water or other effluents.
Fil: Marchese, Jose. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Física Aplicada "Dr. Jorge Andrés Zgrablich". Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Instituto de Física Aplicada "Dr. Jorge Andrés Zgrablich"; Argentina. Universidad Nacional de San Luis. Facultad de Ciencias Fisico Matematicas y Naturales. Departamento de Fisica. Laboratorio de Ciencias de Superficies y Medios Porosos; Argentina
Fil: Campderrós, Mercedes Edith. Universidad Nacional de San Luis. Facultad de Ciencias Fisico Matematicas y Naturales. Departamento de Fisica. Laboratorio de Ciencias de Superficies y Medios Porosos; Argentina - Materia
-
BIS-2-ETHYL HEXYL PHOSPHORIC ACID
CADMIUM
COUPLED COUNTER TRANSPORT
HOLLOW FIBER
LIQUID MEMBRANE
MASS TRANSFER
MOBILE CARRIER - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/212073
Ver los metadatos del registro completo
id |
CONICETDig_6eca25e07454605700373d05811f152b |
---|---|
oai_identifier_str |
oai:ri.conicet.gov.ar:11336/212073 |
network_acronym_str |
CONICETDig |
repository_id_str |
3498 |
network_name_str |
CONICET Digital (CONICET) |
spelling |
Mass transfer of cadmium ions in a hollow-fiber module by pertractionMarchese, JoseCampderrós, Mercedes EdithBIS-2-ETHYL HEXYL PHOSPHORIC ACIDCADMIUMCOUPLED COUNTER TRANSPORTHOLLOW FIBERLIQUID MEMBRANEMASS TRANSFERMOBILE CARRIERThe facilitated transport of Cd(II) ions through a hollow-fiber-supported liquid membrane with bis-2-ethylhexyl phosphoric acid as carrier was studied. The mass transfer rate, expressed as permeability P, was measured as a function of mean aqueous solution velocity and carrier concentration. Characteristic ion permeabilities of 10-26×10-7m/s were measured at feed velocities between 1×10-2-19×10-2 m/s at stripping velocities between 0.22×10-2-7×10-2 m/s with constant feed flow. The measured permeabilities were compared to generally accepted mass transfer correlations. The predicted permeabilities adequately fit the experimental data, indicating that the rate limiting step in the transport of the ion was the diffusion through both aqueous films, feed and stripping, whereas the organic resistance of the membrane was negligible. Furthermore, the proposed model allowed the prediction of the permeability of cadmium for different experimental conditions, which is useful to perform experiments to reduce metal levels in water or other effluents.Fil: Marchese, Jose. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Física Aplicada "Dr. Jorge Andrés Zgrablich". Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Instituto de Física Aplicada "Dr. Jorge Andrés Zgrablich"; Argentina. Universidad Nacional de San Luis. Facultad de Ciencias Fisico Matematicas y Naturales. Departamento de Fisica. Laboratorio de Ciencias de Superficies y Medios Porosos; ArgentinaFil: Campderrós, Mercedes Edith. Universidad Nacional de San Luis. Facultad de Ciencias Fisico Matematicas y Naturales. Departamento de Fisica. Laboratorio de Ciencias de Superficies y Medios Porosos; ArgentinaElsevier Science2004-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/212073Marchese, Jose; Campderrós, Mercedes Edith; Mass transfer of cadmium ions in a hollow-fiber module by pertraction; Elsevier Science; Desalination; 164; 2; 4-2004; 141-1490011-9164CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0011916404001730info:eu-repo/semantics/altIdentifier/doi/10.1016/S0011-9164(04)00173-0info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:38:17Zoai:ri.conicet.gov.ar:11336/212073instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:38:18.022CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Mass transfer of cadmium ions in a hollow-fiber module by pertraction |
title |
Mass transfer of cadmium ions in a hollow-fiber module by pertraction |
spellingShingle |
Mass transfer of cadmium ions in a hollow-fiber module by pertraction Marchese, Jose BIS-2-ETHYL HEXYL PHOSPHORIC ACID CADMIUM COUPLED COUNTER TRANSPORT HOLLOW FIBER LIQUID MEMBRANE MASS TRANSFER MOBILE CARRIER |
title_short |
Mass transfer of cadmium ions in a hollow-fiber module by pertraction |
title_full |
Mass transfer of cadmium ions in a hollow-fiber module by pertraction |
title_fullStr |
Mass transfer of cadmium ions in a hollow-fiber module by pertraction |
title_full_unstemmed |
Mass transfer of cadmium ions in a hollow-fiber module by pertraction |
title_sort |
Mass transfer of cadmium ions in a hollow-fiber module by pertraction |
dc.creator.none.fl_str_mv |
Marchese, Jose Campderrós, Mercedes Edith |
author |
Marchese, Jose |
author_facet |
Marchese, Jose Campderrós, Mercedes Edith |
author_role |
author |
author2 |
Campderrós, Mercedes Edith |
author2_role |
author |
dc.subject.none.fl_str_mv |
BIS-2-ETHYL HEXYL PHOSPHORIC ACID CADMIUM COUPLED COUNTER TRANSPORT HOLLOW FIBER LIQUID MEMBRANE MASS TRANSFER MOBILE CARRIER |
topic |
BIS-2-ETHYL HEXYL PHOSPHORIC ACID CADMIUM COUPLED COUNTER TRANSPORT HOLLOW FIBER LIQUID MEMBRANE MASS TRANSFER MOBILE CARRIER |
dc.description.none.fl_txt_mv |
The facilitated transport of Cd(II) ions through a hollow-fiber-supported liquid membrane with bis-2-ethylhexyl phosphoric acid as carrier was studied. The mass transfer rate, expressed as permeability P, was measured as a function of mean aqueous solution velocity and carrier concentration. Characteristic ion permeabilities of 10-26×10-7m/s were measured at feed velocities between 1×10-2-19×10-2 m/s at stripping velocities between 0.22×10-2-7×10-2 m/s with constant feed flow. The measured permeabilities were compared to generally accepted mass transfer correlations. The predicted permeabilities adequately fit the experimental data, indicating that the rate limiting step in the transport of the ion was the diffusion through both aqueous films, feed and stripping, whereas the organic resistance of the membrane was negligible. Furthermore, the proposed model allowed the prediction of the permeability of cadmium for different experimental conditions, which is useful to perform experiments to reduce metal levels in water or other effluents. Fil: Marchese, Jose. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis. Instituto de Física Aplicada "Dr. Jorge Andrés Zgrablich". Universidad Nacional de San Luis. Facultad de Ciencias Físico Matemáticas y Naturales. Instituto de Física Aplicada "Dr. Jorge Andrés Zgrablich"; Argentina. Universidad Nacional de San Luis. Facultad de Ciencias Fisico Matematicas y Naturales. Departamento de Fisica. Laboratorio de Ciencias de Superficies y Medios Porosos; Argentina Fil: Campderrós, Mercedes Edith. Universidad Nacional de San Luis. Facultad de Ciencias Fisico Matematicas y Naturales. Departamento de Fisica. Laboratorio de Ciencias de Superficies y Medios Porosos; Argentina |
description |
The facilitated transport of Cd(II) ions through a hollow-fiber-supported liquid membrane with bis-2-ethylhexyl phosphoric acid as carrier was studied. The mass transfer rate, expressed as permeability P, was measured as a function of mean aqueous solution velocity and carrier concentration. Characteristic ion permeabilities of 10-26×10-7m/s were measured at feed velocities between 1×10-2-19×10-2 m/s at stripping velocities between 0.22×10-2-7×10-2 m/s with constant feed flow. The measured permeabilities were compared to generally accepted mass transfer correlations. The predicted permeabilities adequately fit the experimental data, indicating that the rate limiting step in the transport of the ion was the diffusion through both aqueous films, feed and stripping, whereas the organic resistance of the membrane was negligible. Furthermore, the proposed model allowed the prediction of the permeability of cadmium for different experimental conditions, which is useful to perform experiments to reduce metal levels in water or other effluents. |
publishDate |
2004 |
dc.date.none.fl_str_mv |
2004-04 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/212073 Marchese, Jose; Campderrós, Mercedes Edith; Mass transfer of cadmium ions in a hollow-fiber module by pertraction; Elsevier Science; Desalination; 164; 2; 4-2004; 141-149 0011-9164 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/212073 |
identifier_str_mv |
Marchese, Jose; Campderrós, Mercedes Edith; Mass transfer of cadmium ions in a hollow-fiber module by pertraction; Elsevier Science; Desalination; 164; 2; 4-2004; 141-149 0011-9164 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0011916404001730 info:eu-repo/semantics/altIdentifier/doi/10.1016/S0011-9164(04)00173-0 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier Science |
publisher.none.fl_str_mv |
Elsevier Science |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
_version_ |
1844614405255331840 |
score |
13.070432 |