Titre :

Simultaneous removal of Cd, Co, Cu, Mn, Ni, and Zn from synthetic solutions on a hemp‐based felt. III. Real discharge waters

Auteur(s) :

Morin‐Crini, Nadia [Auteur]
Laboratoire Chrono-environnement (UMR 6249) [LCE]
STAELENS, JEAN-NOEL [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Loiacono, Sonia [Auteur]
Laboratoire Chrono-environnement (UMR 6249) [LCE]
Martel, Bernard [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Chanet, Gilles [Auteur]
Eurochanvre (Arc-les-Gray)
Crini, Grégorio [Auteur]
Laboratoire Chrono-environnement (UMR 6249) [LCE]

Titre de la revue :

Journal of Applied Polymer Science

Nom court de la revue :

J Appl Polym Sci

Numéro :

137

Pagination :

48823

Éditeur :

Wiley

Date de publication :

2019-12-16

Discipline(s) HAL :

Chimie/Matériaux

Résumé en anglais : [en]

Two hemp-based materials were used as nonconventional adsorbents for the final treatment of industrial discharge waters (DWs) from a metal-finishing plant. The first adsorbent, referred as HEMP, was a felt made of 100% ...
Lire la suite >Two hemp-based materials were used as nonconventional adsorbents for the final treatment of industrial discharge waters (DWs) from a metal-finishing plant. The first adsorbent, referred as HEMP, was a felt made of 100% hemp fiber. The second was the same felt coated with a maltodextrin-1,2,3,4-butanetetracarboxylic crosslinked polymer (HEMPM) in order to provide ion-exchange properties to the material by introducing carboxylic groups. The batch experiments showed that both materials exhibited high adsorption capacities toward metal ions present in 12 DWs, leading to concentrations well below those allowed by the French regulation. Measurements of the germination rate of Lactuca sativa seeds and of mobility inhibition of Daphnia magna, used as ecotoxicological tests, were carried out on DWs before and after hemp treatment. The average germination rate before and after treatment were 47.2 ± 4.1 for untreated DWs, 71.2 ± 6.3 for DWs treated by HEMP, and 89.3 ± 4.7 for DWs treated by HEMPM. The EC50 values for four DWs were between 2.1 and 10.4% of DW, indicating high toxicity. After HEMPM treatment, exposure to the DW for 24 h did not cause immobilization (EC50 > 90%). © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48823.Lire moins >

Langue :

Anglais

Comité de lecture :

Oui

Audience :

Internationale

Vulgarisation :

Non

Établissement(s) :

Université de Lille
CNRS
INRAE
ENSCL

Collections :

• Unité Matériaux et Transformations (UMET) - UMR 8207

Équipe(s) de recherche :

Ingénierie des Systèmes Polymères

Date de dépôt :

2023-03-31T10:29:33Z
2023-04-03T07:17:37Z