Method for synthesizing MCM-41 mesoporous material by using waste glass
A technology of MCM-41, mesoporous materials, used in chemical instruments and methods, molecular sieve catalysts, other chemical processes, etc.
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Embodiment 1
[0031] Clean the collected waste glass, pulverize it with a pulverizer, and then grind it with a ball mill for 12 hours. Take 8.5g of finely ground glass powder and mix with 13g of solid sodium hydroxide, add 15ml of water, stir to form a paste, put it in an oven at 100°C and dry it to obtain a dry mixture. Grind the dry mixture into a fine powder, then place it in a muffle furnace for calcination at 600°C for 3 hours, add 20ml of water after cooling, stir for 24 hours, then suction filter, and collect the upper layer filtrate for later use. Dissolve 3.2g of CTAB in 50ml of water, add 10ml of the above-mentioned upper layer filtrate and 40ml of water at the same time, stir for 30min, adjust the pH to 9.5 with hydrochloric acid to obtain a mixed solution; pour the resulting mixed solution into the polytetrafluoroethylene in the autoclave In the inner lining, seal the autoclave tightly, and place the autoclave in an oven to react at 120°C for 72 hours. After the reaction is comp...
Embodiment 2
[0034] Clean the collected waste glass, pulverize it with a pulverizer, and then grind it with a ball mill for 10 hours. Take 9g of finely ground glass powder, mix with 13g of sodium hydroxide, add 15ml of water, stir to form a paste, put it in an oven at 100°C and dry it to obtain a dry mixture. Grind the dry mixture into a fine powder, then place it in a muffle furnace for calcination at 550°C for 3 hours, add 25ml of water after cooling, stir for 24 hours, then suction filter, and collect the upper filtrate for later use. Dissolve 3.8g CTAB in 45ml of water, add 10ml of the above upper layer filtrate and 40ml of water at the same time, after stirring for 30min, adjust the pH to 9.5 with hydrochloric acid to obtain a mixed solution; pour the resulting mixed solution into the polytetrafluoroethylene in the autoclave In the lining, seal the autoclave tightly, and place the autoclave in an oven at 120°C for 48 hours. After the reaction is completed, wash and dry the reaction pr...
Embodiment 3
[0036] Clean the collected waste glass, pulverize it with a pulverizer, and then grind it with a ball mill for 10 hours. Mix 8 g of finely ground glass powder with 11.5 g of sodium hydroxide, add 12 ml of water, stir to form a paste, put it in an oven at 100°C and dry it to obtain a dry mixture. Grind the dry mixture into a fine powder, then place it in a muffle furnace for calcination at 600°C for 3 hours, add 25ml of water after cooling, stir for 24 hours, then suction filter, and collect the upper layer filtrate for later use. Dissolve 3.5g CTAB in 50ml of water, add 12ml of the above-mentioned upper layer filtrate and 41ml of water at the same time, after stirring for 30min, adjust the pH to 9.8 with hydrochloric acid to obtain a mixed solution; pour the resulting mixed solution into the polytetrafluoroethylene in the autoclave In the lining, seal the autoclave tightly, and place the autoclave in an oven at 120°C for 48 hours. After the reaction is completed, wash and dry ...
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