A kind of preparation method of highly dispersed and easily reducible supported nickel-aluminum catalyst
A supported, catalyst technology, applied in chemical instruments and methods, physical/chemical process catalysts, metal/metal oxide/metal hydroxide catalysts, etc., can solve the complicated catalyst preparation process, active metal particle agglomeration, catalyst sintering Inactivation and other problems, to achieve a wide range of industrial application prospects, reduce the reduction temperature, low cost effects
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Embodiment 1
[0030] Add 14.06g Al(NO 3 ) 3 9H 2 O, stirred at room temperature until completely dissolved, then added 3.11g of terephthalic acid, stirred at 25°C for 0.5 hours, poured the reaction mixture into a 100ml stainless steel reactor with a polytetrafluoroethylene liner, and heated in a closed state Keep at 220°C for 72 hours, lower to room temperature, take out the hydrothermal reaction product, wash with deionized water to pH 7, filter with suction, dry at 80°C for 12 hours, add N,N- In dimethylformamide, stirred at 25°C for 5 hours, suction-filtered with absolute ethanol, and dried at 80°C for 12 hours to obtain a metal-organic framework compound with specific morphology and pore structure.
[0031] Take 4.46g Ni(NO 3 ) 2 9H 2 O was added to 6.89g of N,N-dimethylformamide, stirred and dissolved at room temperature, and then 9.31g of the metal-organic framework compound was added, stirred at room temperature for 1 hour, and after standing for 12 hours, the temperature was ra...
Embodiment 2
[0036] Add 11.72g Al(NO 3 ) 3 9H 2 O, stirred at room temperature until completely dissolved, then added 0.92g of trimesic acid, stirred at 25°C for 0.5 hours, poured the reaction mixture into a 100ml stainless steel reactor with Teflon lining, and heated in a closed state Keep at 210°C for 24 hours, lower to room temperature, take out the hydrothermal reaction product, wash with deionized water to pH 7, filter with suction, dry at 80°C for 12 hours, add N,N- In dimethylformamide, stirred at 25°C for 5 hours, suction-filtered with absolute ethanol, and dried at 80°C for 12 hours to obtain a metal-organic framework compound with specific morphology and pore structure.
[0037] Take 4.46g Ni(NO3 ) 2 9H 2 O was added to 3.74g of N,N-dimethylformamide, stirred and dissolved at room temperature, and then 7.34g of the above-mentioned metal organic framework compound was added, stirred at room temperature for 1 hour, and after standing for 12 hours, the temperature was raised to ...
Embodiment 3
[0040] Add 3.5g Al(NO 3 ) 3 9H 2 O, after stirring at room temperature until completely dissolved, add 5g of 4mol / L nitric acid, stir at room temperature for 0.1 hour, then add 1.5g of methyl trimesate, stir at 25°C for 0.5 hour, pour the reaction mixture into 100ml belt In a stainless steel reaction kettle lined with polytetrafluoroethylene, heat to 200°C in a closed state for 4 hours, cool down to room temperature, take out the hydrothermal reaction product, wash with deionized water until the pH is 7, filter with suction, and dry at 80°C for 12 hours, add N,N-dimethylformamide at a solid-to-liquid mass volume ratio of 1:50, let stand at 150°C for 5 hours, filter with absolute ethanol, and dry at 80°C for 12 hours to obtain Metal-organic framework compounds with pore structures.
[0041] Take 4.46g Ni(NO 3 ) 2 9H 2 O was added to 21.89g of N,N-dimethylformamide, stirred and dissolved at room temperature, and then 13.68g of the above-mentioned metal-organic framework co...
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