期刊
CATALYSIS TODAY
卷 249, 期 -, 页码 59-62出版社
ELSEVIER
DOI: 10.1016/j.cattod.2014.12.045
关键词
Catalytic ozonation; Polyacrylonitrile fibers; Nitrogen containing groups; Surface chemistry; Oxalic acid
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 degrees 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 (C) 2015 Elsevier B.V. All rights reserved.
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