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Nitrate Reduction Catalyzed by Pd–Cu and Pt–Cu Supported on Different Carbon Materials

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Abstract

The activities and selectivities of Pd–Cu and Pt–Cu bimetallic catalysts supported on different carbon materials (activated carbons with different surface chemistries, multiwalled carbon nanotubes and carbon xerogels) were studied in the catalytic reduction of nitrate in water. The surface chemistry of the support has an important role in the catalyst activity and selectivity, being its influence more pronounced when Pt–Cu catalysts are used. Generally, catalysts supported on basic carbon materials are more active and selective.

Graphical Abstract

NO3 − concentrations during nitrate reduction in the presence of 2%Pt–1%Cu catalysts.

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Acknowledgments

This work was carried out with the support of Fundação para a Ciência e a Tecnologia (FCT) under research fellowship BD/30328/2006. The research leading to these results has received funding from the European Community’s Seventh Framework Programme (FP7/2007-2013) under grant agreement no 226347. The authors are grateful to Prof. Philippe Serp and Dr. Nagen Mahata for providing samples CNT2 and CXG, respectively, and to Mr. Serafim Pereira for the atomic absorption analyses.

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Authors and Affiliations

  1. Laboratório de Catálise e Materiais (LCM), Laboratório Associado LSRE/LCM, Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal

    Olívia Salomé G. P. Soares, José J. M. Órfão & Manuel Fernando R. Pereira

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  1. Olívia Salomé G. P. Soares
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  2. José J. M. Órfão
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  3. Manuel Fernando R. Pereira
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Correspondence to Manuel Fernando R. Pereira.

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Soares, O.S.G.P., Órfão, J.J.M. & Pereira, M.F.R. Nitrate Reduction Catalyzed by Pd–Cu and Pt–Cu Supported on Different Carbon Materials. Catal Lett 139, 97–104 (2010). https://doi.org/10.1007/s10562-010-0424-y

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  • DOI: https://doi.org/10.1007/s10562-010-0424-y

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