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A green and simple approach for one-pot preparation of an efficient palladium adsorbent based on functionalized 2,3-dialdehyde cellulose
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Nanotechnology and Functional Materials.
2016 (English)Conference paper, Poster (Refereed)
Abstract [en]

An efficient and green palladium adsorbent was prepared from 2,3-dialdehyde cellulose (DAC) originating from nanocellulose from the green algae Cladophora.  The DAC was functionalized in a convenient one-pot procedure to provide the adsorbent. The adsorption properties for adsorbing palladium(II), including capacity, adsorption isotherm, kinetics, desorption and recycling, were studied. The successful reductive amination of amine containing ligands with DAC was confirmed by FT-IR, elemental analysis and XPS. The adsorbent was characterized by SEM, XRD, gas adsorption and TGA. The adsorbent had a high adsorption capacity (130 mg palladium per gram adsorbent) and enabled fast adsorption of palladium from solution (80% of maximum capacity reached in 2 h). Adsorbent materials suitable for both filters (fibrous) and column matrixes (spherical particles) could be obtained in an efficient manner by controlling the degree of oxidation while producing the DAC material. 

Place, publisher, year, edition, pages
2016.
National Category
Nano Technology
Identifiers
URN: urn:nbn:se:uu:diva-287642OAI: oai:DiVA.org:uu-287642DiVA: diva2:923190
Conference
251st American Chemical Society National Meeting & Exposition in San Diego, USA
Available from: 2016-04-25 Created: 2016-04-25 Last updated: 2016-09-02

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Ruan, ChangqingStrømme, MariaLindh, Jonas
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