Preparation method and application of boron-modified penta-coordinated aluminum-rich aluminum oxide oriented load Ru-based catalyst
A technology of alumina carrier and catalyst, which is applied in the direction of catalyst activation/preparation, metal/metal oxide/metal hydroxide catalyst, physical/chemical process catalyst, etc. Difficult to regulate, poor catalytic activity, etc.
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Embodiment 1
[0018] Weigh 7.5gAl(NO 3 ) 3 .9H 2 Add 80ml of deionized water to O in a beaker, stir to dissolve it completely, and record it as solution A. Weigh potassium borohydride 30 times the molar amount of aluminum ions in a beaker, add 80ml of deionized water, stir to dissolve, and record it as solution B. Pour the A and B solutions into the micro-liquid membrane reactor at a uniform speed for 3 minutes, transfer the mixture to the polytetrafluoroethylene liner of the hydrothermal reaction kettle and seal it, and place it in an oven at 200 ° C for 12 hours of hydrothermal reaction; the reaction is over After that, naturally cool to room temperature, suction filter, wash until neutral, dry in an oven at 70°C, and grind to obtain an alumina carrier precursor; roast the alumina carrier precursor in a muffle furnace at 350°C for 5 hours to obtain an alumina carrier ; Take 0.3g alumina carrier and disperse it in 50ml deionized water, adjust the pH of the mixed solution to 10.5 with 1m...
Embodiment 2
[0022] Weigh 7.5g Al(NO 3 ) 3 .9H 2 Add 80ml of deionized water to O in a beaker, stir to dissolve it completely, and record it as solution A. Put potassium borohydride 25 times the molar amount of aluminum ions in a beaker, add 80ml of deionized water, stir and dissolve, and record it as solution B. Pour the A and B solutions into the micro-liquid membrane reactor at a uniform speed and react for 3 minutes, transfer the mixture into a polytetrafluoroethylene liner and seal it, and place it in an oven at 200°C for 12 hours; At room temperature, suction filter and wash until neutral, dry in an oven at 70°C, and grind to obtain the alumina carrier precursor; roast the alumina carrier precursor in a muffle furnace at 350°C for 5 hours to obtain the alumina carrier; take 0.3g carrier Disperse in 50ml of deionized water, adjust the pH of the mixed solution to 10.5 with 1mol / L sodium hydroxide solution, slowly add 1.8ml of 50mmol / L ruthenium chloride solution dropwise, after the ...
Embodiment 3
[0025] Weigh 7.5g Al(NO 3 ) 3 .9H 2Add 80ml of deionized water to O in a beaker, stir to dissolve it completely, and record it as solution A. Weigh sodium borohydride 20 times the molar amount of aluminum ions in a beaker, add 80ml of deionized water, stir to dissolve, and record it as solution B. Pour the A and B solutions into the micro-liquid membrane reactor at a uniform speed and react for 3 minutes, transfer the mixture into a polytetrafluoroethylene liner and seal it, and place it in an oven at 200°C for 12 hours; At room temperature, suction filter and wash until neutral, dry in an oven at 70°C, and grind to obtain the alumina carrier precursor; roast the alumina carrier precursor in a muffle furnace at 350°C for 5 hours to obtain the alumina carrier; take 0.3g carrier Disperse in 50ml of deionized water, adjust the pH of the mixed solution to 10.5 with 1mol / L sodium hydroxide solution, slowly add 1.8ml of 50mmol / L ruthenium chloride solution dropwise, after the dro...
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Abstract
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