Adsorption of Malachite Green and Alizarin Red S Dyes Using Fe-BTC Metal Organic Framework as Adsorbent.
Adsorption
Algorithms
Anthraquinones
/ chemistry
Coloring Agents
/ chemistry
Hot Temperature
Hydrogen-Ion Concentration
Iron
/ chemistry
Metal-Organic Frameworks
/ chemistry
Models, Chemical
Molecular Structure
Rosaniline Dyes
/ chemistry
Thermodynamics
Water
/ chemistry
Water Pollutants, Chemical
/ chemistry
adsorption
alizarin red S
malachite green
metal organic frameworks
wastewater remediation
Journal
International journal of molecular sciences
ISSN: 1422-0067
Titre abrégé: Int J Mol Sci
Pays: Switzerland
ID NLM: 101092791
Informations de publication
Date de publication:
14 Jan 2021
14 Jan 2021
Historique:
received:
16
12
2020
revised:
08
01
2021
accepted:
10
01
2021
entrez:
20
1
2021
pubmed:
21
1
2021
medline:
13
4
2021
Statut:
epublish
Résumé
Synthetic organic dyes are widely used in various industrial sectors but are also among the most harmful water pollutants. In the last decade, significant efforts have been made to develop improved materials for the removal of dyes from water, in particular, on nanostructured adsorbent materials. Metal organic frameworks (MOFs) are an attractive class of hybrid nanostructured materials with an extremely wide range of applications including adsorption. In the present work, an iron-based Fe-BTC MOF, prepared according to a rapid, aqueous-based procedure, was used as an adsorbent for the removal of alizarin red S (ARS) and malachite green (MG) dyes from water. The synthesized material was characterized in detail, while the adsorption of the dyes was monitored by UV-Vis spectroscopy. An optimal adsorption pH of 4, likely due to the establishment of favorable interactions between dyes and Fe-BTC, was found. At this pH and at a temperature of 298 K, adsorption equilibrium was reached in less than 30 min following a pseudo-second order kinetics, with k″ of 4.29 × 10
Identifiants
pubmed: 33466760
pii: ijms22020788
doi: 10.3390/ijms22020788
pmc: PMC7830139
pii:
doi:
Substances chimiques
Anthraquinones
0
Coloring Agents
0
Metal-Organic Frameworks
0
Rosaniline Dyes
0
Water Pollutants, Chemical
0
Water
059QF0KO0R
malachite green
12058M7ORO
Alizarin Red S
3F3AT0Q12H
Iron
E1UOL152H7
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : Ministero dell'Istruzione, dell'Università e della Ricerca
ID : DOT1304455
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