Superparamagnetic nanoadsorbents for the removal of trace As(III) in drinking water

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dc.citation.articleNumber100046
dc.citation.journalTitleEnvironmental Advances
dc.citation.volumeNumber4
dc.contributor.authorMarcos-Hernández, Mariana
dc.contributor.authorArrieta, Roy A.
dc.contributor.authorVentura, Karen
dc.contributor.authorHernández, José
dc.contributor.authorPowell, Camilah D.
dc.contributor.authorAtkinson, Ariel J.
dc.contributor.authorMarkovski, Jasmina S.
dc.contributor.authorGardea-Torresdey, Jorge
dc.contributor.authorHristovski, Kiril D.
dc.contributor.authorWesterhoff, Paul
dc.contributor.authorWong, Michael S.
dc.contributor.authorVillagrán, Dino
dc.date.accessioned2021-12-02T15:09:18Z
dc.date.available2021-12-02T15:09:18Z
dc.date.issued2021
dc.description.abstractA series of novel zeolitic imidazolate framework (ZIF) decorated superparamagnetic graphene oxide hybrid nanoadsorbents were synthesized, characterized, and tested for their As(III) adsorbed amount in simulated drinking water. The three composite nanomaterials are based each on three isostructural and water stable ZIFs, (C-1 based on ZIF-8, C-2 based on ZIF-67, and C-3 based on ZIF-Zn/Co). The composite nanomaterials and there parent materials were characterized through pXRD, TEM, FTIR, BET and magnetometry methods (SQUID), and were tested as adsorbents in a representative drinking water matrix containing arsenite (As(III)) at an initial trace concentration (realistic in some natural drinking water sources) of 35 µg/L. The nanoadsorbents were magnetically captured and removed after adsorption in batch conditions. Out of the three composites, C-2 shows the highest As(III) adsorbed amount at an initial concentration of 35 µg/L (q0) of 202 µg/g, followed by C-3 with 102 µg/g and C-1 with 82 µg/g.
dc.identifier.citationMarcos-Hernández, Mariana, Arrieta, Roy A., Ventura, Karen, et al.. "Superparamagnetic nanoadsorbents for the removal of trace As(III) in drinking water." <i>Environmental Advances,</i> 4, (2021) Elsevier: https://doi.org/10.1016/j.envadv.2021.100046.
dc.identifier.digital1-s2-0-S266676572100017X-main
dc.identifier.doihttps://doi.org/10.1016/j.envadv.2021.100046
dc.identifier.urihttps://hdl.handle.net/1911/111711
dc.language.isoeng
dc.publisherElsevier
dc.rightsThis is an open access article under the CC BY-NC-ND license
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.titleSuperparamagnetic nanoadsorbents for the removal of trace As(III) in drinking water
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpublisher version
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