The invention provides a bimetallic integral fuel oil catalyst and a preparation method thereof, and the method comprises the following steps: 1, preparing an Ag nanoparticle colloidal solution, and magnetically stirring in a water bath at 20-50 DEG C for 2 hours; 2, a Pt-Ag nanoparticle colloidal solution is prepared, ascorbic acid and glycerol serve as reducing agents, glycerol serves as a solvent at the same time, PEG200 serves as a complexing agent, and magnetic stirring is conducted for 4 h in a water bath at the temperature of 50-80 DEG C; 3, weighing a CexZr1-xO2 carrier with a preset stoichiometric ratio, pouring into the Pt-Ag nanoparticle colloidal solution, and stirring at 50-80 DEG C for 4 hours to obtain a bimetallic integral fuel oil catalyst active component; 4, drying the active component of the bimetallic integral fuel oil catalyst at 60-120 DEG C for 12-48 hours, and then roasting the active component in a muffle furnace at 450-600 DEG C for 1-6 hours to obtain Pt-Ag/CexZr (1-x) O2 catalyst powder; and 5, preparing the Pt-Ag/CexZr (1-x) O2 catalyst powder and water into glue-like thick slurry, and coating 2.5 mL of cordierite with the glue-like thick slurry by adopting a gas-assisted method to prepare the bimetallic integral fuel oil catalyst.
本申请提供一种双金属整体式燃油催化剂及其制备方法,方法包括:1:制备Ag纳米粒子胶体溶液,20~50℃水浴磁力搅拌2h;2:制备Pt-Ag纳米粒子胶体溶液,还原剂为抗坏血酸和丙三醇,丙三醇同时作为溶剂,络合剂为PEG200,50~80℃水浴磁力搅拌4h;3:称取预设计量比的CexZr1-xO2载体,倒入所述Pt-Ag纳米粒子胶体溶液,50~80℃搅拌4h,得到双金属整体式燃油催化剂活性成分;4:将所述双金属整体式燃油催化剂活性成分在60~120℃干燥12~48h,然后在450~600℃的马弗炉中焙烧1~6h,得到Pt-Ag/CexZr1-xO2催化剂粉末;5:将所述Pt-Ag/CexZr1-xO2催化剂粉末与水制成胶水状粘稠浆液,采用气体辅助法涂覆在2.5mL的堇青石上,制得双金属整体式燃油催化剂。
Bimetal integral fuel oil catalyst and preparation method thereof
一种双金属整体式燃油催化剂及其制备方法
2024-07-16
Patent
Electronic Resource
Chinese
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