Mostrar el registro sencillo del ítem

dc.contributor.author
Ferreira Mendonca, Fernanda  
dc.contributor.author
Filho, Edenilson J. S.  
dc.contributor.author
Bertoli, Alexandre C.  
dc.contributor.author
Fernandez, Mariela Alejandra  
dc.contributor.author
Torres Sanchez, Rosa Maria  
dc.contributor.author
Lago, Rochel Montero  
dc.date.available
2021-02-05T18:47:01Z  
dc.date.issued
2019-12-15  
dc.identifier.citation
Ferreira Mendonca, Fernanda; Filho, Edenilson J. S.; Bertoli, Alexandre C.; Fernandez, Mariela Alejandra; Torres Sanchez, Rosa Maria; et al.; Use of montmorillonite to recover carboxylic acids from aqueous medium; Elsevier Science; Separation and Purification Technology; 229; 115751; 15-12-2019; 1-6  
dc.identifier.issn
1383-5866  
dc.identifier.uri
http://hdl.handle.net/11336/124984  
dc.description.abstract
In this work, it was investigated the use of montmorillonite as a trap to recover small carboxylic acids from aqueous medium. TOC and titration analyses showed remarkable uptake of organic acid molecules, e.g. 46, 49, 9 and 16 mmol g−1 of acetic, propionic, citric and lactic acids, respectively (1.4–3.6 gacid gclay−1), in concentrations up to 4 mol L−1. XRD, TG-MS and BET indicated that acetic and propionic acids can be easily recovered from montmorillonite, producing some delamination of the clay mineral with the formation of mesopores and increasing the specific surface area to 83 m2 g−1. Non-volatile citric and lactic acids are also efficiently removed from aqueous solution. Although the uptake mechanism of the acids by the clay is not clear, XRD and FTIR results indicate a possible intercalation process that strongly affects the Si[sbnd]O tetrahedral layer of Mt. Preliminary experiments using a strongly acidic aqueous fraction of bio-oil indicated that montmorillonite can be used to recover small organic acids from the complex mixture by selectively trapping.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Elsevier Science  
dc.rights
info:eu-repo/semantics/restrictedAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
BIO-OIL  
dc.subject
CARBOXYLIC ACIDS  
dc.subject
INTERCALATION  
dc.subject
MONTMORILLONITE  
dc.subject.classification
Química Analítica  
dc.subject.classification
Ciencias Químicas  
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS  
dc.title
Use of montmorillonite to recover carboxylic acids from aqueous medium  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2020-11-20T18:09:43Z  
dc.journal.volume
229  
dc.journal.number
115751  
dc.journal.pagination
1-6  
dc.journal.pais
Países Bajos  
dc.journal.ciudad
Amsterdam  
dc.description.fil
Fil: Ferreira Mendonca, Fernanda. Universidade Federal de Minas Gerais; Brasil  
dc.description.fil
Fil: Filho, Edenilson J. S.. Universidade Federal de Minas Gerais; Brasil  
dc.description.fil
Fil: Bertoli, Alexandre C.. Universidade Federal de Minas Gerais; Brasil  
dc.description.fil
Fil: Fernandez, Mariela Alejandra. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Tecnología de Recursos Minerales y Cerámica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Tecnología de Recursos Minerales y Cerámica; Argentina  
dc.description.fil
Fil: Torres Sanchez, Rosa Maria. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Tecnología de Recursos Minerales y Cerámica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Tecnología de Recursos Minerales y Cerámica; Argentina  
dc.description.fil
Fil: Lago, Rochel Montero. Universidade Federal de Minas Gerais; Brasil  
dc.journal.title
Separation and Purification Technology  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S1383586618339121  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.seppur.2019.115751