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

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

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.

Original languageEnglish (US)
Pages (from-to)17739-17744
Number of pages6
JournalACS Applied Materials and Interfaces
Volume8
Issue number28
DOIs
StatePublished - Jul 20 2016

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Keywords

  • carbon nanofibers
  • carbon nanotubes
  • electrospinning
  • nitrite
  • palladium
  • water purification

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