Method for preparing tert-butylamine
A tert-butylamine and reactor technology, applied in the field of preparing tert-butylamine, can solve the problems of low MTBE conversion rate, strong catalyst corrosion, harsh reaction conditions, etc., and achieve the effects of high conversion rate, improved reaction conversion rate, and sufficient reaction.
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Embodiment 1
[0034] Preparation of inorganic membrane catalyst: (1) Dissolving 250 grams of zirconium n-butoxide in 250 mL of ethanol to prepare ethanol solution of zirconium n-butoxide; (2) Adding the solution obtained in step (1) dropwise with an aqueous nitric acid solution with a molar concentration of 6 mol / L zirconium n-butoxide ethanol solution to obtain a transparent sol, then add 5g of polyvinyl alcohol and 4g of polyethylene glycol respectively, continue to stir, and further obtain a sol with a certain viscosity, the stirring temperature is 40°C, and the stirring speed is 200r / min; (3) Add α-Al 2 o 3 Immerse the ceramic tube vertically into the sol obtained in step b for 2 minutes, pull it out at a pulling speed of 15cm / min, and then heat-treat it at 100°C for 10 minutes, repeat the above steps of immersion, pulling and heat treatment 3 times , and then roasted at 1000°C for 4 hours; (4) impregnate the ceramic tube obtained in step (3) with a concentration of 4mol / L silver nitra...
Embodiment 2
[0037] Preparation of inorganic membrane catalyst: (1) Dissolving 250 grams of zirconium n-butoxide in 250 mL of ethanol to prepare ethanol solution of zirconium n-butoxide; (2) Adding the solution obtained in step (1) dropwise with an aqueous nitric acid solution with a molar concentration of 6 mol / L zirconium n-butoxide ethanol solution to obtain a transparent sol, then add 5g of polyvinyl alcohol and 5g of polyethylene glycol respectively, continue to stir, and further obtain a sol with a certain viscosity, the stirring temperature is 40°C, and the stirring speed is 200r / min; (3) Add α-Al 2 o 3 Immerse the ceramic tube vertically into the sol obtained in step b for 1 minute, pull it out at a pulling speed of 10 cm / min, and then heat-treat it at 100°C for 10 minutes, repeat the above steps of dipping, pulling and heat treatment 4 times , and then roasted at 1000°C for 4 hours; (4) impregnate the ceramic tube obtained in step (3) with a concentration of 3mol / L silver nitrate...
Embodiment 3
[0040] Preparation of inorganic membrane catalyst: (1) Dissolving 250 grams of zirconium n-butoxide in 250 mL of ethanol to prepare ethanol solution of zirconium n-butoxide; (2) Adding the solution obtained in step (1) dropwise with an aqueous nitric acid solution with a molar concentration of 6 mol / L zirconium n-butoxide ethanol solution to obtain a transparent sol, then add 4g of polyvinyl alcohol and 4g of polyethylene glycol respectively, continue to stir, and further obtain a sol with a certain viscosity, the stirring temperature is 40°C, and the stirring speed is 200r / min; (3) Add α-Al 2 o 3 Immerse the ceramic tube vertically into the sol obtained in step b for 2 minutes, pull it out at a pulling speed of 10 cm / min, and then heat-treat it at 100°C for 10 minutes, repeat the above steps of dipping, pulling and heat treatment 5 times , and then roasted at 1000°C for 4 hours; (4) impregnate the ceramic tube obtained in step (3) with a concentration of 4mol / L silver nitrat...
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