Multilevel-structure supported nano gold catalyst and preparation method thereof
A catalyst and nano-gold technology, which is applied in the field of multi-level structure nano-material catalysis, can solve the problems that have not been reported in the newspapers.
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Embodiment 1
[0014] 1. Preparation of carrier:
[0015] The carrier {001}-xFe-AHSs is obtained using the same preparation method that has been applied for the national invention patent (patent number: 201210208904.4), where x is the metal ion Fe 3+ With Ti 4+ The mole percentage of x is 0.1% to 0.4%.
[0016] Accurately measure 71 ml of isopropanol (IPA) and 0.05 ml of diethylene triamine (DETA) and add them to the beaker, stir gently for 3 minutes until uniformly dispersed, then add 3.35 ml of titanium isopropoxide (TIP) to the above solvent A mixed solution is obtained. Accurately weigh 0.0027 g FeCl 3 ·6H 2 Dissolve O in the mixed solution and disperse it ultrasonically for 3 minutes. Transfer the mixed solution to a 100 ml autogenous pressure reactor, crystallize at 200°C for 24 hours, cool to room temperature after the reaction, then wash the reaction precipitate with absolute ethanol 3 times, and dry at 60°C after washing 12 Hours, a light yellow powder is obtained, and a light yellow p...
Embodiment 2
[0020] 1. Preparation of carrier:
[0021] Accurately measure 71 ml of isopropanol (IPA) and 0.05 ml of diethylene triamine (DETA) and add them to the beaker, stir gently for 3 minutes until uniformly dispersed, then add 3.35 ml of titanium isopropoxide (TIP) to the above solvent A mixed solution is obtained. Accurately weigh 0.0054 g FeCl 3 ·6H 2 Dissolve O in the mixed solution and disperse it ultrasonically for 3 minutes. Transfer the mixed solution to a 100 ml autogenous pressure reactor, crystallize at 200°C for 24 hours, cool to room temperature after the reaction, then wash the reaction precipitate with absolute ethanol 3 times, and dry at 60°C after washing 12 Hours, a light yellow powder is obtained, and a light yellow powder is obtained. Then in a tube furnace in an air atmosphere at a heating rate of 1 ℃ / min to 400 ℃, roasting for 2 hours, the obtained carrier is recorded as {001}-0.2% Fe-AHSs, 0.2% is the metal ion Fe 3+ With Ti 4+ The mole percentage.
[0022] 2. Pr...
Embodiment 3
[0025] 1. Preparation of carrier:
[0026] Accurately measure 71 ml of isopropanol (IPA) and 0.05 ml of diethylene triamine (DETA) and add them to the beaker, stir gently for 3 minutes until uniformly dispersed, then add 3.35 ml of titanium isopropoxide (TIP) to the above solvent A mixed solution is obtained. Accurately weigh 0.0108 g FeCl 3 ·6H 2 Dissolve O in the mixed solution and disperse it ultrasonically for 3 minutes. Transfer the mixed solution to a 100 ml autogenous pressure reactor, crystallize at 200°C for 24 hours, cool to room temperature after the reaction, then wash the reaction precipitate with absolute ethanol 3 times, and dry at 60°C after washing 12 Hours, a light yellow powder is obtained, and a light yellow powder is obtained. Then in a tube furnace in an air atmosphere at a heating rate of 1 ℃ / min to 400 ℃, roasting for 2 hours, the obtained carrier is recorded as {001}-0.4% Fe-AHSs, 0.4% is the metal ion Fe 3+ With Ti 4+ The mole percentage.
[0027] 2. Pr...
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