Synthesis, Characterization and Study of Phenol Adsorption Over MnOx- CeO<SUB>2</SUB>

Five MnOx-CeO2 samples with a molar ratio Mn-Ce between 0 and 100% were obtained by coprecipitation. The samples, which were called 10/0, 7/3, 5/5, 3/7, 0/10, were characterized by XRD, FTIR, XPS, specific surface area and TPR. Phenol was selected as pollutant. The adsorption of phenol from aqueous...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: D'Alessandro, Oriana, Thomas, Horacio Jorge, Sambeth, Jorge Enrique
Formato: Articulo
Lenguaje:Inglés
Publicado: 2014
Materias:
Química
Adsorption
Phenol
MnOx-CeO2
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/122482
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-122482
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Química
Adsorption
Phenol
MnOx-CeO2
spellingShingle Química
Adsorption
Phenol
MnOx-CeO2
D'Alessandro, Oriana
Thomas, Horacio Jorge
Sambeth, Jorge Enrique
Synthesis, Characterization and Study of Phenol Adsorption Over MnOx- CeO<SUB>2</SUB>
topic_facet Química
Adsorption
Phenol
MnOx-CeO2
description Five MnOx-CeO2 samples with a molar ratio Mn-Ce between 0 and 100% were obtained by coprecipitation. The samples, which were called 10/0, 7/3, 5/5, 3/7, 0/10, were characterized by XRD, FTIR, XPS, specific surface area and TPR. Phenol was selected as pollutant. The adsorption of phenol from aqueous solution on Mn-Ce samples was investigated in a batch reactor at 25 and 50° C. The adsorption isotherms were described by Langmuir and Freundlich isotherm models and both model fitted. The characterization results showed the formation of solid solution where Mn3+ replaces Ce4+. The most active solid was Mn-Ce 7/3. The results showed that the adsorption process is a function of the Mn-Ce composition. Thermodynamics parameters ΔG0, ΔH0 and ΔS0 were calculated. These parameters indicated that the adsorption of phenol onto Mn-Ce was spontaneous and exothermic at 25 and 50 °C.
format Articulo
Articulo
author D'Alessandro, Oriana
Thomas, Horacio Jorge
Sambeth, Jorge Enrique
author_facet D'Alessandro, Oriana
Thomas, Horacio Jorge
Sambeth, Jorge Enrique
author_sort D'Alessandro, Oriana
title Synthesis, Characterization and Study of Phenol Adsorption Over MnOx- CeO<SUB>2</SUB>
title_short Synthesis, Characterization and Study of Phenol Adsorption Over MnOx- CeO<SUB>2</SUB>
title_full Synthesis, Characterization and Study of Phenol Adsorption Over MnOx- CeO<SUB>2</SUB>
title_fullStr Synthesis, Characterization and Study of Phenol Adsorption Over MnOx- CeO<SUB>2</SUB>
title_full_unstemmed Synthesis, Characterization and Study of Phenol Adsorption Over MnOx- CeO<SUB>2</SUB>
title_sort synthesis, characterization and study of phenol adsorption over mnox- ceo<sub>2</sub>
publishDate 2014
url http://sedici.unlp.edu.ar/handle/10915/122482
work_keys_str_mv AT dalessandrooriana synthesischaracterizationandstudyofphenoladsorptionovermnoxceosub2sub
AT thomashoraciojorge synthesischaracterizationandstudyofphenoladsorptionovermnoxceosub2sub
AT sambethjorgeenrique synthesischaracterizationandstudyofphenoladsorptionovermnoxceosub2sub
bdutipo_str Repositorios
_version_ 1764820448862797825

Ejemplares similares