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Nanocelluloses and their phosphorylated derivatives for selective adsorption of Ag+, Cu2+ and Fe3+ from industrial effluents
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
Luleå tekniska universitet.
University of Maribor, Institute for Engineering Materials and Design, Smetanova ul. 17, SI-2000 Maribor, Slovenia.
University of Maribor, Institute for Engineering Materials and Design, Smetanova ul. 17, SI-2000 Maribor, Slovenia.
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2015 (English)In: Journal of Hazardous Materials, ISSN 0304-3894, E-ISSN 1873-3336, Vol. 294, p. 177-185Article in journal (Refereed) Published
Abstract [en]

The potential of nanoscaled cellulose and enzymatically phosphorylated derivatives as bio-adsorbents to remove metal ions (Ag+, Cu2+ and Fe3+) from model water and industrial effluents is demonstrated. Introduction of phosphate groups onto nanocelluloses significantly improved the metal sorption velocity and sorption capacity. The removal efficiency was considered to be driven by the high surface area of these nanomaterials as well as the nature and density of functional groups on the nanocellulose surface. Generally, in the solutions containing only single types of metal ions, the metal ion selectivity was in the order Ag+ > Cu2+ > Fe3+, while in the case of mixtures of ions, the order changed to Ag+ > Fe3+ > Cu2+, irrespective of the surface functionality of the nanocellulose. In the case of industrial effluent from the mirror making industry, 99% removal of Cu2+ and Fe3+ by phosphorylated nanocellulose was observed. The study showed that phosphorylated nanocelluloses are highly efficient biomaterials for scavenging multiple metal ions, simultaneously, from industrial effluents.

Place, publisher, year, edition, pages
2015. Vol. 294, p. 177-185
National Category
Bio Materials
Research subject
Wood and Bionanocomposites
Identifiers
URN: urn:nbn:se:ltu:diva-15403DOI: 10.1016/j.jhazmat.2015.04.001ISI: 000355028700021PubMedID: 25867590Scopus ID: 2-s2.0-84926462440Local ID: ee903f3d-7ce7-452b-a59e-a6a3753becd5OAI: oai:DiVA.org:ltu-15403DiVA, id: diva2:988377
Note
Validerad; 2015; Nivå 2; 20150407 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Liu, PengOksman, KristiinaMathew, Aji P.

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