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CERIUM-ZIRCONIUM-ALUMINUM-BASED COMPOSITE MATERIAL, CGPF CATALYST AND PREPARATION METHOD THEREFOR
A cerium-zirconium-aluminum-based composite material, a cGPF catalyst and a preparation method thereof are provided. The cerium-zirconium-aluminum-based composite material adopts a stepwise precipitation method, firstly preparing an aluminum-based pre-treated material, then coprecipitating the aluminum-based pre-treated material with zirconium and cerium sol, and finally roasting at high temperature to obtain the cerium-zirconium-aluminum-based composite material. The cerium-zirconium-aluminum-based composite material has better compactness and higher density, and when it is used in cGPF catalyst, it occupies a smaller volume of pores on the catalyst carrier, such that cGPF catalyst has lower back pressure and better ash accumulation resistance, which is beneficial to large-scale application of cGPF catalyst.
CERIUM-ZIRCONIUM-ALUMINUM-BASED COMPOSITE MATERIAL, CGPF CATALYST AND PREPARATION METHOD THEREFOR
A cerium-zirconium-aluminum-based composite material, a cGPF catalyst and a preparation method thereof are provided. The cerium-zirconium-aluminum-based composite material adopts a stepwise precipitation method, firstly preparing an aluminum-based pre-treated material, then coprecipitating the aluminum-based pre-treated material with zirconium and cerium sol, and finally roasting at high temperature to obtain the cerium-zirconium-aluminum-based composite material. The cerium-zirconium-aluminum-based composite material has better compactness and higher density, and when it is used in cGPF catalyst, it occupies a smaller volume of pores on the catalyst carrier, such that cGPF catalyst has lower back pressure and better ash accumulation resistance, which is beneficial to large-scale application of cGPF catalyst.
CERIUM-ZIRCONIUM-ALUMINUM-BASED COMPOSITE MATERIAL, CGPF CATALYST AND PREPARATION METHOD THEREFOR
LI DACHENG (Autor:in) / WANG JINFENG (Autor:in) / LAN LI (Autor:in) / YE HUI (Autor:in) / YANG LAN (Autor:in) / ZHANG FENG (Autor:in) / YANG YI (Autor:in) / CHENG YONGXIANG (Autor:in) / LUO TIANTIAN (Autor:in) / DONG YINHUA (Autor:in)
17.11.2022
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
/
B01D
SEPARATION
,
Trennen
/
B01J
Chemische oder physikalische Verfahren, z.B. Katalyse oder Kolloidchemie
,
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
/
F01N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL
,
Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein
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