NDLI: Preparation of apatite-type-silicate-supported precious metal catalysts for selective catalytic reduction of NO$

Content Provider	SpringerLink
Author	Kato, Sumio Yoshizawa, Takuya Kakuta, buhiro Akiyama, Shinya Ogasawara, Masataka Wakabayashi, Takashi Nakahara, Yuusuke Nakata, Shinichi
Copyright Year	2008
Abstract	Apatite-type silicate supported precious metal catalysts were prepared and investigated for their catalytic activity in selective catalytic NO reduction. Single-phase La$_{9.33}$Si$_{6}$O$_{26}$ and La$_{8.33}$ASi$_{6}$O$_{25.5}$ (A=Ca, Sr, Ba) were obtained by a sol-gel method. Pd/La$_{9.33}$Si$_{6}$O$_{26}$ catalyst exhibited high activity for oxidation of C$_{3}$H$_{6}$, comparable to Pd/Al$_{2}$O$_{3}$ catalyst, although the specific surface area of La$_{9.33}$Si$_{6}$O$_{26}$ was lower than that of Al$_{2}$O$_{3}$. In addition, Pt/La$_{9.33}$Si$_{6}$O$_{26}$ catalyst exhibited higher activity for selective catalytic reduction of NO than Pt/Al$_{2}$O$_{3}$ catalyst. Substitution of Ba$^{2+}$ for La$^{3+}$ of La$_{9.33}$Si$_{6}$O$_{26}$ led to increased catalytic activity at low temperature.
Starting Page	703
Ending Page	708
Page Count	6
File Format	PDF
ISSN	09226168
Journal	Research on Chemical Intermediates
Volume Number	34
Issue Number	8-9
e-ISSN	15685675
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-01-01
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Apatite-type silicate precious metal NO reduction Catalysis Physical Chemistry Inorganic Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry

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Preparation of apatite-type-silicate-supported precious metal catalysts for selective catalytic reduction of NO$_{x}$