A kind of catalyst for preparing ethylbenzene from ethanol and benzene and its preparation and application
A catalyst and ethanol technology, applied in the direction of catalyst activation/preparation, catalyst, molecular sieve catalyst, etc., can solve the problems of narrow selection conditions, lack of detailed description of synthesis and physicochemical properties, etc., to improve ethyl selectivity, save equipment investment, The effect of reducing production costs
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Embodiment 1
[0103] Take 21.6g of 1,4-dibromobutane and 17.2g of N-methyltetrahydropyrrole in 100ml of acetone, place it in a 60°C water bath for reflux treatment for 24h; use acetone to extract excess amine, and place the resulting mixture in Recrystallize in a mixed solvent of 100ml methanol-ether (volume ratio 2:1); transfer the sample to a vacuum oven at 80°C for drying treatment for 10 hours to obtain 1,4-MPB template. Take 10.7g of 1,4-MPB template and dissolve it in 150ml of water, then add 0.14g of aluminum powder, 3.6g of sodium hydroxide and 20g of mesoporous silica material in sequence, stir the solution for 10 hours to form a gel and put it into 200ml of stainless steel In the reaction kettle, rotate the hydrothermal crystallization at 160°C for 240h, and the rotation speed is 10 rpm; filter and wash the obtained product until the washing liquid is neutral, and transfer the filtered filter cake to an oven at 80°C Drying in medium temperature for 12h; then put the sample in a mu...
Embodiment 2
[0105] Take 21.6g of 1,4-dibromobutane and 17.2g of N-methyltetrahydropyrrole in 100ml of acetone, place it in a 60°C water bath for reflux treatment for 24h; use acetone to extract excess amine, and place the resulting mixture in Recrystallize in a mixed solvent of 100ml methanol-ether (volume ratio 2:1); transfer the sample to a vacuum oven at 80°C for drying treatment for 10 hours to obtain 1,4-MPB template. Dissolve 10.7g of 1,4-MPB template in 150ml of water, then add 0.14g of aluminum powder, 3.6g of sodium hydroxide and 15g of MCM-48 in sequence, and stir the solution for 10 hours to form a gel in 200ml of stainless steel for reaction Rotating hydrothermal crystallization at 160°C for 240 hours in the still, at a rotation speed of 10 rpm; filter and wash the obtained product until the washing liquid is neutral, and transfer the filtered filter cake to an oven at 80°C Dry for 12 hours; then place the sample in a muffle furnace at 500°C for 6 hours to obtain the TNU-9 mol...
Embodiment 3
[0107] Take 21.6g of 1,4-dibromobutane and 17.2g of N-methyltetrahydropyrrole in 100ml of acetone, place it in a 60°C water bath for reflux treatment for 24h; use acetone to extract excess amine, and place the resulting mixture in Recrystallize in a mixed solvent of 100ml methanol-ether (volume ratio 2:1); transfer the sample to a vacuum drying oven at 80°C for 10h to obtain 1,4-MPB template. Dissolve 10.7g of 1,4-MPB template in 150ml of water, then add 0.14g of aluminum powder, 3.6g of sodium hydroxide and 15g of SBA-15 in sequence, stir the solution for 10 hours to form a gel and put it into a 200ml stainless steel reactor Rotating hydrothermal crystallization at 160°C for 240 hours at a rotation speed of 10 rpm; filter and wash the obtained product until the washing liquid is neutral, and transfer the filtered filter cake to an oven at 80°C for drying Treat for 12 hours; then place the sample in a muffle furnace at 500°C for 6 hours to obtain TNU-9 molecular sieve. The si...
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