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High resistance to aerial oxidation of an amorphous NiB/SiO 2 catalyst: TP‐XRD, TPR and related investigations
Author(s) -
Wang YongZhen,
Li Xiang,
Li HeXing,
Wang WeiJiang
Publication year - 2004
Publication title -
journal of chemical technology and biotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.64
H-Index - 117
eISSN - 1097-4660
pISSN - 0268-2575
DOI - 10.1002/jctb.945
Subject(s) - calcination , catalysis , amorphous solid , benzene , chemical engineering , materials science , atmospheric pressure , nuclear chemistry , chemistry , organic chemistry , oceanography , engineering , geology
An amorphous NiB/SiO 2 catalyst, prepared by a reductive–impregnation method, was thoroughly studied as to its behavior in air and in benzene hydrogenation in a fixed‐bed reactor at atmospheric pressure. The results showed that the amorphous NiB/SiO 2 catalyst possessed long life and excellent resistance to aerial oxidation. Even after calcination at 400 °C, TP‐XRD and TPR measurements revealed that the amorphous NiB/SiO 2 catalyst was not oxidized, and could retain its activity in benzene hydrogenation. Copyright © 2004 Society of Chemical Industry
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