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Carbonized polyacrylonitrile fibers for the catalytic ozonation of oxalic acid

Paper ID Volume ID Publish Year Pages File Format Full-Text
53709 46981 2015 4 PDF Available
Title
Carbonized polyacrylonitrile fibers for the catalytic ozonation of oxalic acid
Abstract

•Textile polyacrylonitrile fibers (with high N content) were carbonized and activated.•Prepared samples were tested as catalysts in oxalic acid ozonation.•The role of the materials surface chemistry in the oxalic acid removal was evidenced.•High concentrations of surface pyridinic (N6) groups favor the process.

Textile polyacrylonitrile (PAN) fibers, which contain nitrogen, were carbonized at different temperatures and activated during 10 h in order to assess their performance as ozonation catalysts in the oxalic acid degradation The fiber carbonized at 800 °C shows the best performance due to its basic character and, mainly, the high concentration of nitrogen surface groups, particularly N-pyridinic (N6) groups. The carbonization of PAN fibers is a simple and effective method to prepare materials with good catalytic activity in ozonation processes

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Keywords
Catalytic ozonation; Polyacrylonitrile fibers; Nitrogen-containing groups; Surface chemistry; Oxalic acid
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Carbonized polyacrylonitrile fibers for the catalytic ozonation of oxalic acid
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 249, 1 July 2015, Pages 59–62
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
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