Boosted Cr(VI) sorption coupled reduction from aqueous solution using quaternized algal/alginate@PEI beads.

Adsorption Alginates Chromium / analysis Hydrogen-Ion Concentration Kinetics Water Pollutants, Chemical
Alga/alginate beads Hexavalent chromium Polyethylenimine Quaternary ammonium group Sorption-coupled reduction

Journal

Chemosphere
ISSN: 1879-1298
Titre abrégé: Chemosphere
Pays: England
ID NLM: 0320657

Informations de publication

Date de publication:
Oct 2021
Historique:
received: 24 01 2021
revised: 07 04 2021
accepted: 04 05 2021
pubmed: 23 5 2021
medline: 22 7 2021
entrez: 22 5 2021
Statut: ppublish

Résumé

APEI beads (algal/alginate-PEI) were quaternized for enhancing the sorption of Cr(VI) (Q-APEI). The readily reduction of Cr(VI) into Cr(III) in acidic solution and in the presence of organic material constitute an additional phenomenon to be taken into account for the removal of Cr(VI) by Q-APEI. The optimal pH value for both the sorption and reduction of Cr(VI) was close to 2. The sorption isotherm was well described by the Sips model in batch system; the experimental maximum Cr(VI) sorption capacity of Q-APEI was 334 mg Cr(VI) g

Identifiants

DOI: 10.1016/j.chemosphere.2021.130844 PMID: 34022599
pubmed: 34022599
pii: S0045-6535(21)01315-1
doi: 10.1016/j.chemosphere.2021.130844
pii:
doi:

Substances chimiques

Alginates 0
Water Pollutants, Chemical 0
Chromium 0R0008Q3JB
chromium hexavalent ion 18540-29-9

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

130844

Informations de copyright

Copyright © 2021 Elsevier Ltd. All rights reserved.

Auteurs

Yue Zhang (Y)

PCH, IMT Mines Ales, 6, Avenue de Clavières, 30319, Alès Cedex, France; IEM, Institut Européen des Membranes, Univ. Montpellier, CNRS, ENSCM, 300 Avenue Du Prof. Emile Jeanbrau, 34090, Montpellier, France. Electronic address: yue.zhang@mine-ales.fr.

Yayuan Mo (Y)

PCH, IMT Mines Ales, 6, Avenue de Clavières, 30319, Alès Cedex, France; IEM, Institut Européen des Membranes, Univ. Montpellier, CNRS, ENSCM, 300 Avenue Du Prof. Emile Jeanbrau, 34090, Montpellier, France. Electronic address: moyayuan110@163.com.

Thierry Vincent (T)

PCH, IMT Mines Ales, 6, Avenue de Clavières, 30319, Alès Cedex, France. Electronic address: Thierry.Vincent@mines-ales.fr.

Catherine Faur (C)

IEM, Institut Européen des Membranes, Univ. Montpellier, CNRS, ENSCM, 300 Avenue Du Prof. Emile Jeanbrau, 34090, Montpellier, France. Electronic address: catherine.faur@univ-montp2.fr.

Eric Guibal (E)

PCH, IMT Mines Ales, 6, Avenue de Clavières, 30319, Alès Cedex, France. Electronic address: Eric.Guibal@mines-ales.fr.

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Classifications MeSH

questionsmedicales.fr › Phénomènes chimiques › Adsorption › Boosted Cr(VI) sorption coupled reduction from...
questionsmedicales.fr › Glucides › Polyosides › Alginates › Boosted Cr(VI) sorption coupled reduction from...
questionsmedicales.fr › Produits chimiques inorganiques › Métaux › Métaux lourds › Chrome › Boosted Cr(VI) sorption coupled reduction from...
questionsmedicales.fr › Phénomènes chimiques › Concentration en ions d'hydrogène › Boosted Cr(VI) sorption coupled reduction from...
questionsmedicales.fr › Phénomènes chimiques › Phénomènes biochimiques › Cinétique › Boosted Cr(VI) sorption coupled reduction from...
questionsmedicales.fr › Actions chimiques et utilisations › Actions toxiques › Polluants environnementaux › Polluants de l'eau › Polluants chimiques de l'eau › Boosted Cr(VI) sorption coupled reduction from...