Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 92, Issue 3-4, Pages 333-340Publisher
ELSEVIER
DOI: 10.1016/j.apcatb.2009.08.012
Keywords
Catalytic wet air oxidation; Molybdenum oxide; Cerium oxide; Degradation of dye; Nanofibers
Funding
- National Natural Science Foundation of China [20871026]
- Northeast Normal University
- Science Foundation for Young Teachers of Northeast Normal University [20080302).]
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One-dimensional Ce doped MoO3 nanofibers with different Ce doping amount have been synthesized by a combination method of sol-gel process and electrospinning technique. X-ray diffraction (XRD), X-ray photoelectron spectrum (XPS), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM) were used to characterize the resulting samples. These fibers are interesting for a number of catalytic applications. The best catalytic activity was obtained over 11.86 wt.% CeO2-doped MoO3 with 98% degradation effect of 0.3 g L-1 Safranin-T by air under room condition towards complete degradation products such as HCO3- and NO3- within 20 min. The leaching test showed that this MoO3:Ce nanofiber catalyst has an excellent stability and can be used as a rapid heterogeneous catalyst for about ten times by simply treatment. (C) 2009 Elsevier B.V. All rights reserved.
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