Preparation method of supported copper-based bimetallic composite material with high specific surface area
A copper-based bimetallic and composite material technology, applied in chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, physical/chemical process catalysts, etc., can solve the problem of low specific surface area of catalysts and dispersion of active copper species problems such as poor performance, to achieve the effect of simple and novel preparation method, promoting uniform dispersion, and increasing specific surface area
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Embodiment 1
[0023] Weigh 0.47g of copper nitrate trihydrate, add it into 23ml of absolute ethanol, and dissolve to obtain a light blue solution.
[0024] Add 0.43g of aluminum nitrate nonahydrate into the above solution, stir until completely dissolved, and obtain a mixed solution containing copper nitrate and aluminum nitrate.
[0025] 1.92 g of zirconium n-butoxide was added dropwise to the above mixed solution, and stirred until the solution was uniformly mixed to obtain a reaction solution.
[0026] Pour the reaction solution into an open bottle, place it in a liner filled with distilled water, so that the distilled water does not directly contact the reaction solution, then place the liner in a high-pressure reaction kettle, seal it, and heat it up to 135°C to produce The water vapor in contact with the reaction solution under high temperature and high pressure will undergo a one-step hydrolysis synthesis reaction.
[0027] After reacting for 24 hours, the reactor was rapidly cooled...
Embodiment 2
[0031] Weigh 0.47g of copper nitrate trihydrate, add it into 23ml of absolute ethanol, and dissolve to obtain a light blue solution.
[0032] Add 0.17g of aluminum nitrate nonahydrate to the above solution, stir until completely dissolved, and obtain a mixed solution containing copper nitrate and aluminum nitrate.
[0033] 1.72 g of zirconium nitrate pentahydrate was added dropwise to the above mixed solution, and stirred until the solution was uniformly mixed to obtain a reaction solution.
[0034]Pour the reaction solution into an open bottle, place it in a liner filled with distilled water, so that the distilled water does not directly contact the reaction solution, then place the liner in a high-pressure reaction kettle, seal it, and heat it up to 125°C to produce The water vapor in contact with the reaction solution under high temperature and high pressure will undergo a one-step hydrolysis synthesis reaction.
[0035] After reacting for 24 hours, the reactor was rapidly...
Embodiment 3
[0038] Weigh 0.47g of copper nitrate trihydrate, add it into 23ml of absolute ethanol, and dissolve to obtain a light blue solution.
[0039] Add 0.26g of aluminum nitrate nonahydrate into the above solution, stir until completely dissolved, and obtain a mixed solution containing copper nitrate and aluminum nitrate.
[0040] 1.72 g of zirconium nitrate pentahydrate was added dropwise to the above mixed solution, and stirred until the solution was uniformly mixed to obtain a reaction solution.
[0041] Pour the reaction solution into an open bottle, place it in a liner filled with distilled water, so that the distilled water does not directly contact the reaction solution, then place the liner in a high-pressure reaction kettle, seal it, and heat it up to 130°C to produce The water vapor in contact with the reaction solution under high temperature and high pressure will undergo a one-step hydrolysis synthesis reaction.
[0042] After reacting for 28 hours, the reactor was rapi...
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