Amidoxime Functionalization of Algal/Polyethyleneimine Beads for the Sorption of Sr(II) from Aqueous Solutions.
Adsorption
Hydrogen-Ion Concentration
Kinetics
Microspheres
Oximes
/ chemistry
Photoelectron Spectroscopy
Polyethyleneimine
/ chemistry
Rheology
Rhodophyta
/ chemistry
Seawater
/ chemistry
Solutions
Strontium
/ isolation & purification
Temperature
Water Pollutants, Chemical
/ isolation & purification
algal-alginate-polyethyleneimine beads
amidoximation
desorption
selectivity seawater
sorption isotherm
strontium
uptake kinetics
Journal
Molecules (Basel, Switzerland)
ISSN: 1420-3049
Titre abrégé: Molecules
Pays: Switzerland
ID NLM: 100964009
Informations de publication
Date de publication:
29 Oct 2019
29 Oct 2019
Historique:
received:
08
10
2019
revised:
22
10
2019
accepted:
26
10
2019
entrez:
2
11
2019
pubmed:
2
11
2019
medline:
21
3
2020
Statut:
epublish
Résumé
There is a need for developing new sorbents that incorporate renewable resources for the treatment of metal-containing solutions. Algal-polyethyleneimine beads (APEI) (reinforced with alginate) are functionalized by grafting amidoxime groups (AO-APEI). Physicochemical characteristics of the new material are characterized using FTIR, XPS, TGA, SEM, SEM-EDX, and BET. AO-APEI beads are tested for the recovery of Sr(II) from synthetic solutions after pH optimization (≈ pH 6). Uptake kinetics is fast (equilibrium ≈ 60-90 min). Sorption isotherm (fitted by the Langmuir equation) shows remarkable sorption capacity (≈ 189 mg Sr g
Identifiants
pubmed: 31671819
pii: molecules24213893
doi: 10.3390/molecules24213893
pmc: PMC6864727
pii:
doi:
Substances chimiques
Oximes
0
Solutions
0
Water Pollutants, Chemical
0
amidoxime
0
Polyethyleneimine
9002-98-6
Strontium
YZS2RPE8LE
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : China Scholarship Council
ID : 2018DFH009897
Organisme : Talented Young Scientists Program
ID : no Numlber (Mohammed F. HAMZA)
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