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Nanoporous Fe-Based Alloy Prepared by Selective Dissolution: An Effective Fenton Catalyst for Water Remediation
[Image: see text] A fully nanoporous Fe-rich alloy, prepared by selective dissolution of melt-spun Fe(43.5)Cu(56.5) ribbons, exhibits outstanding properties as a heterogeneous Fenton catalyst toward the degradation of methyl orange (MO) in aqueous solution. In addition, the ferromagnetic characteris...
Autores principales: | , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Chemical Society
2017
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6640962/ https://www.ncbi.nlm.nih.gov/pubmed/31457462 http://dx.doi.org/10.1021/acsomega.7b00043 |
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author | Zhang, Huiyan Feng, Yuping Cheng, Yangyang Baró, Maria Dolors Altube, Ainhoa García-Lecina, Eva Alcaide, Francisco Pellicer, Eva Zhang, Tao Sort, Jordi |
author_facet | Zhang, Huiyan Feng, Yuping Cheng, Yangyang Baró, Maria Dolors Altube, Ainhoa García-Lecina, Eva Alcaide, Francisco Pellicer, Eva Zhang, Tao Sort, Jordi |
author_sort | Zhang, Huiyan |
collection | PubMed |
description | [Image: see text] A fully nanoporous Fe-rich alloy, prepared by selective dissolution of melt-spun Fe(43.5)Cu(56.5) ribbons, exhibits outstanding properties as a heterogeneous Fenton catalyst toward the degradation of methyl orange (MO) in aqueous solution. In addition, the ferromagnetic characteristics of this material enable its wireless manipulation toward specific locations within polluted wastewater. The influence of selective dissolution on the microstructure, sample morphology (surface and cross-section), elemental composition, and magnetic properties of the resulting nanoporous alloy is investigated. The dealloying procedure enhances the saturation magnetization and drastically increases the catalytic performance (i.e., the time required for full degradation of MO from the medium is reduced by a factor of approximately 2 by subjecting the Fe(43.5)Cu(56.5) ribbons to prior dealloying). Remarkably, the effectiveness of this nanoporous material surpasses the results obtained by the homogeneous Fenton reaction using an equivalent concentration of Fe cations leached into the media from the nanoporous alloy. The different factors that promote the high catalytic activity are discussed. The outstanding catalytic activity, together with the simplicity of the synthetic procedure, makes this material very appealing for water remediation using advanced Fenton processes. |
format | Online Article Text |
id | pubmed-6640962 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2017 |
publisher | American Chemical Society |
record_format | MEDLINE/PubMed |
spelling | pubmed-66409622019-08-27 Nanoporous Fe-Based Alloy Prepared by Selective Dissolution: An Effective Fenton Catalyst for Water Remediation Zhang, Huiyan Feng, Yuping Cheng, Yangyang Baró, Maria Dolors Altube, Ainhoa García-Lecina, Eva Alcaide, Francisco Pellicer, Eva Zhang, Tao Sort, Jordi ACS Omega [Image: see text] A fully nanoporous Fe-rich alloy, prepared by selective dissolution of melt-spun Fe(43.5)Cu(56.5) ribbons, exhibits outstanding properties as a heterogeneous Fenton catalyst toward the degradation of methyl orange (MO) in aqueous solution. In addition, the ferromagnetic characteristics of this material enable its wireless manipulation toward specific locations within polluted wastewater. The influence of selective dissolution on the microstructure, sample morphology (surface and cross-section), elemental composition, and magnetic properties of the resulting nanoporous alloy is investigated. The dealloying procedure enhances the saturation magnetization and drastically increases the catalytic performance (i.e., the time required for full degradation of MO from the medium is reduced by a factor of approximately 2 by subjecting the Fe(43.5)Cu(56.5) ribbons to prior dealloying). Remarkably, the effectiveness of this nanoporous material surpasses the results obtained by the homogeneous Fenton reaction using an equivalent concentration of Fe cations leached into the media from the nanoporous alloy. The different factors that promote the high catalytic activity are discussed. The outstanding catalytic activity, together with the simplicity of the synthetic procedure, makes this material very appealing for water remediation using advanced Fenton processes. American Chemical Society 2017-02-23 /pmc/articles/PMC6640962/ /pubmed/31457462 http://dx.doi.org/10.1021/acsomega.7b00043 Text en Copyright © 2017 American Chemical Society This is an open access article published under an ACS AuthorChoice License (http://pubs.acs.org/page/policy/authorchoice_termsofuse.html) , which permits copying and redistribution of the article or any adaptations for non-commercial purposes. |
spellingShingle | Zhang, Huiyan Feng, Yuping Cheng, Yangyang Baró, Maria Dolors Altube, Ainhoa García-Lecina, Eva Alcaide, Francisco Pellicer, Eva Zhang, Tao Sort, Jordi Nanoporous Fe-Based Alloy Prepared by Selective Dissolution: An Effective Fenton Catalyst for Water Remediation |
title | Nanoporous Fe-Based Alloy Prepared by Selective Dissolution:
An Effective Fenton Catalyst for Water Remediation |
title_full | Nanoporous Fe-Based Alloy Prepared by Selective Dissolution:
An Effective Fenton Catalyst for Water Remediation |
title_fullStr | Nanoporous Fe-Based Alloy Prepared by Selective Dissolution:
An Effective Fenton Catalyst for Water Remediation |
title_full_unstemmed | Nanoporous Fe-Based Alloy Prepared by Selective Dissolution:
An Effective Fenton Catalyst for Water Remediation |
title_short | Nanoporous Fe-Based Alloy Prepared by Selective Dissolution:
An Effective Fenton Catalyst for Water Remediation |
title_sort | nanoporous fe-based alloy prepared by selective dissolution:
an effective fenton catalyst for water remediation |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6640962/ https://www.ncbi.nlm.nih.gov/pubmed/31457462 http://dx.doi.org/10.1021/acsomega.7b00043 |
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