| Naslov: | Synthesis of magnetic nanoparticles with covalently bonded polyacrylic acid for use as forward osmosis draw agents |
|---|
| Avtorji: | ID Ban, Irena (Avtor)
ID Drofenik, Mihael (Avtor)
ID Bukšek, Hermina (Avtor)
ID Petrinić, Irena (Avtor)
ID Hélix-Nielsen, Claus (Avtor)
ID Vohl, Sabina (Avtor)
ID Gyergyek, Sašo (Avtor)
ID Stergar, Janja (Avtor) |
|---|
| Datoteke: |  Synthesis_of_magnetic_nanoparticles_w-Ban-2023.pdf (1,92 MB)
MD5: E4485A6D90D2D7D09B13F6A48B25AAF3
 https://pubs.rsc.org/en/content/articlelanding/2023/EW/D2EW00539E
|
|---|
| Jezik: | Angleški jezik |
|---|
| Vrsta gradiva: | Članek v reviji |
|---|
| Tipologija: | 1.01 - Izvirni znanstveni članek |
|---|
| Organizacija: | FKKT - Fakulteta za kemijo in kemijsko tehnologijo
|
|---|
| Opis: | Multicoated magnetite (Fe3O4) magnetic nanoparticles (MNPs) with polyacrylic acid (PAA) as a terminal hydrophilic ligand were synthesized and examined for use as a draw solution (DS) agent in forward osmosis (FO). After coating superparamagnetic iron-oxide MNPs with (3-aminopropyl)triethoxysilane (APTES) the carboxyl groups of PAA were bound to APTES amino groups via the crosslinker 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide (EDC) forming a peptide bond resulting in stable water-soluble particles (MNP@APTES@PAA) with a concentration-normalised osmotic pressure of 1.56 bar L g−1. The MNP@APTES@PAA solution was evaluated as a DS in two FO filtrations with deionized (DI) water as a feed solution (FS): one using freshly prepared MNP@APTES@PAA and one using magnetically recovered (re-concentrated) MNP@APTES@PAA. The resulting MNP@APTES@PAA nanocomposites exhibit good colloidal stability in aqueous solution with a concentration-normalized osmotic pressure of 1.56 bar L g−1. This is 12-fold higher than that in our previous studies of poly-sodium-acrylate coated MNPs and 3-fold higher than that of citric acid coated MNPs. The water recoveries of the two filtrations were 25.7% and 13.6%, respectively, after 2 h of FO filtration time resulting in a DS osmotic pressure of 2.5 bar with a concentration of 4.3 g L−1 and a DS osmotic pressure of 2.6 with a concentration of 3.7 g L−1 respectively. |
|---|
| Ključne besede: | magnetic nanoparticle, forward osmosis, draw solution, osmose |
|---|
| Status publikacije: | Objavljeno |
|---|
| Verzija publikacije: | Objavljena publikacija |
|---|
| Poslano v recenzijo: | 13.07.2022 |
|---|
| Datum sprejetja članka: | 24.11.2022 |
|---|
| Datum objave: | 28.11.2023 |
|---|
| Založnik: | Royal Society of Chemistry |
|---|
| Leto izida: | 2023 |
|---|
| Št. strani: | str. 442-453 |
|---|
| Številčenje: | Vol. 9 |
|---|
| PID: | 20.500.12556/DKUM-85027  |
|---|
| UDK: | 620.3 |
|---|
| COBISS.SI-ID: | 132088835 |
|---|
| DOI: | 10.1039/D2EW00539E |
|---|
| ISSN pri članku: | 2053-1419 |
|---|
| Datum objave v DKUM: | 16.08.2023 |
|---|
| Število ogledov: | 424 |
|---|
| Število prenosov: | 14 |
|---|
| Metapodatki: |    |
|---|
| Področja: | Ostalo
|
|---|
|
:
|
Kopiraj citat |
|---|
| | | | Skupna ocena: | (0 glasov) |
|---|
| Vaša ocena: | Ocenjevanje je dovoljeno samo prijavljenim uporabnikom. |
|---|
| Objavi na: |  |
|---|
Postavite miškin kazalec na naslov za izpis povzetka. Klik na naslov izpiše
podrobnosti ali sproži prenos. |
