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Palladium nanoparticles on modified cellulose as a novel catalyst for low temperature gas reactions

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Abstract

Palladium was incorporated into carboxymethylated cellulose fibers as a support, thereby becoming an efficient and stable catalyst for low temperature gas phase reaction. Thus, NO was used as test molecule of Greenhouse Gas to be catalytically reduced with hydrogen on an eco-friendly sustainable material containing palladium as the active site. Prior to the catalytic test, the catalysts were reduced with glucose as an eco-friendly reagent. The material characterization was performed by SEM–EDS, XRD, LRS, TGA and FTIR. The catalytic results showed that at 170 °C, NO conversion was 100% with a selectivity of 70% to nitrogen. While NOX species were completely converted into N2 at temperatures higher than 180 °C. The starting commercial dissolving pulp was also studied, but its performance resulted lower than the ones of functionalized fibers. The use of this strategy, i.e., the functionalization of cellulose fibers followed by in-situ formation of metallic nanoparticles, can be further applied for the design of a wide range of materials with interesting applications for gas and liquid phase reactions under mild conditions.

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Acknowledgments

The authors are grateful for the financial support provided by the UNL, the National Agency for Scientific and Technological Production (ANPCyT), CONICET and the Ministry of Sc., Techn. and Productive Innovation of Santa Fe (SECTEI). Thanks are also given to Prof. Guillermina Amrein for the English language editing. The authors thank to Dr. José Fernández (Facultad de Ingeniería Química, Universidad Nacional del Litoral) and Christoph Fahrenson (Zentraleinrichtung Elektronenmikroskopie (ZELMI), Technische Universität Berlin) for performing the SEM-EDS and FESEM observations respectively. The authors also thank for the support in the frame of the bilateral Hungarian-Argentinian science and technology (S&T) cooperation: (i) Hungary: Grant No: TÉT-15-1-2016-0089) and (ii) Argentina: HU-17-01.

Funding

Funding acquisition and Project administration by Laura Gutierrez. National Agency for Scientific and Technological Production (ANPCyT, PICT 2016-2284). CONICET (PIP- 406). Ministry of Sc., Techn. and Productive Innovation of Santa Fe (SECTEI-2018-2010-038-16). Bilateral Hungarian-Argentinian cooperation project: MINCyT (Argentina)-NKTH (Hungría): HU-17-01. Funding acquisition and Project administration by Magdolna Miyálgy. Bilateral Hungarian-Argentinian cooperation project: MINCyT (Argentina)-NKTH: Grant No: TÉT-15-1-2016-0089.

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Correspondence to Laura Gutierrez.

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Gioria, E., Signorini, C., Taleb, M.C. et al. Palladium nanoparticles on modified cellulose as a novel catalyst for low temperature gas reactions. Cellulose 28, 9135–9147 (2021). https://doi.org/10.1007/s10570-021-04118-9

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  • DOI: https://doi.org/10.1007/s10570-021-04118-9

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