| Synthesis of CoAl2O4/CuFe2O4/CeO2/TiO2 Ceramic
Nanocomposite as a Catalyst for Selective Catalytic
Reduction of NO by NH3: Influence of Synthesis Route |
Alireza Salehirad,1,* Seyed Mahdi Latifi1 and Vahid Zabihi2
Pages : 196-201
10.1080/0371750X.2020.1801516 |
| Abstract |
| To investigate the effect of synthesis approach on the structural and catalytic
properties, CoAl2O4/CuFe2O4/CeO2/TiO2 ceramic nanocomposite was
synthesized by four liquid phase routes: mixing of components in the liquid
phase (method 1), mixing of CoAl2O4 precursor with other components
(method 2), mixing of CoAl2O4 and CuFe2O4 precursors with other components
(method 3) and mixing of CuFe2O4 precursor with other components
(method 4). The catalytic activity of the synthesized nanocomposites was
evaluated for the selective catalytic reduction of NO by NH3 (NH3-SCR). The
characteristics, such as chemical composition, phase analysis, particle size
distribution, specific surface area, average pore diameter, agglomeration
degree, and surface acidity were comparatively studied for the synthesized
ceramic nanocomposites. The results obtained from the structural studies
and the NH3-SCR evaluation revealed that the nanocomposite fabricated by
method 4 displayed the best structural properties and the highest catalytic
activity among all the synthesized samples.
[Keywords: Ceramic nanocomposite, Catalyst, Synthesis method, NH3-SCR,
Structural properties] |
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