journal article·2016-07-20

Enhancement of Nitrite Reduction Kinetics on Electrospun Pd-Carbon Nanomaterial Catalysts for Water Purification

Tao Ye, David P. Durkin, Maocong Hu, Xianqin Wang, Nathan A. Banek, Michael J. Wagner, Danmeng Shuai

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Abstract

We report a facile synthesis method for carbon nanofiber (CNF) supported Pd catalysts via one-pot electrospinning and their application for nitrite hydrogenation. A mixture of Pd acetylacetonate (Pd(acac)2), polyacrylonitrile (PAN), and nonfunctionalized multiwalled carbon nanotubes (MWCNTs) was electrospun and thermally treated to produce Pd/CNF-MWCNT catalysts. The addition of MWCNTs with a mass loading of 1.0-2.5 wt % (to PAN) significantly improved nitrite reduction activity compared to the catalyst without MWCNT addition. The results of CO chemisorption confirmed that the addition of MWCNTs increased Pd exposure on CNFs and hence improved catalytic activity.
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Research context

OpenAlex topics: Nanomaterials for catalytic reactions · Advanced Data Storage Technologies · Ammonia Synthesis and Nitrogen Reduction

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Affiliations

Department of Civil and Environmental Engineering, The George Washington University, Washington, D.C. 20052, United States

Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States

Department of Chemical, Biological and Pharmaceutical Engineering, New Jersey Institute of Technology, Newark, New Jersey 07102, United States

Department of Chemistry, The George Washington University, Washington, D.C. 20052, United States

Funding

Department of Civil and Environmental Engineering, George Washington University

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