Synthesis method of super-macroporous aluminum phosphate and heteroatom aluminum phosphate molecular sieve with-CLO structure
A technology of aluminum phosphate molecular sieve and heteroatom, which is applied in the field of synthesis of aluminum phosphate and heteroatom aluminum phosphate ultra-large-pore molecular sieve, can solve the problems of high synthesis cost and environmental pollution, and achieve low synthesis cost, environmental friendliness and high yield of molecular sieve Effect
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Embodiment 1
[0030] Add 374 μl phosphoric acid (concentration is 85wt%) in the 50ml glass beaker, under the condition of keeping 110 ℃ and stirring, add 968 μl tetraethylammonium hydroxide (concentration is 25wt%), 242 μl hydrofluoric acid (concentration is 40wt%) ), 1.12 g of aluminum isopropoxide, and the initial reaction mixture was kept at 110° C. for 30 min, and the initial reaction mixture was a pure white solid. The pure white solid was then placed in a stainless steel reaction kettle lined with polytetrafluoroethylene, sealed and placed in an oven at 180°C for crystallization for 4 hours.
[0031] After the crystallization was completed, the reactor was taken out, cooled to room temperature, the product was washed with deionized water, filtered, and the separated product was dried in an oven at 90°C for 3 hours to obtain a white powder product. The product was analyzed by XRD, and the results showed that the obtained product had an aluminum phosphate-based ultra-large pore molecula...
Embodiment 2
[0033] Add 374 μl phosphoric acid (concentration is 85wt%) in the 50ml glass beaker, under the condition of keeping 110 ℃ and stirring, add 645 μl tetraethylammonium hydroxide (concentration is 25wt%), 242 μl hydrofluoric acid (concentration is 40wt%) ), 1.12 g of aluminum isopropoxide, and the initial reaction mixture was kept at 110° C. for 30 min, and the initial reaction mixture was a pure white solid. The pure white solid was then placed in a stainless steel reaction kettle lined with polytetrafluoroethylene, sealed and placed in an oven at 180°C for crystallization for 4 hours.
[0034] After the crystallization was completed, the reactor was taken out, cooled to room temperature, the product was washed with deionized water, filtered, and the separated product was dried in an oven at 90°C for 3 hours to obtain a white powder product. The product was analyzed by XRD, and the results showed that the obtained product had an aluminum phosphate-based ultra-large pore molecular ...
Embodiment 3
[0036] Add 374 μl phosphoric acid (concentration is 85wt%) in the 50ml glass beaker, under the condition of keeping 110 ℃ and stirring, add 968 μl tetraethylammonium hydroxide (concentration is 25wt%), 242 μl hydrofluoric acid (concentration is 40wt%) ), 1.12g of aluminum isopropoxide, and 0.49g of titanium nitrate. The initial reaction mixture was kept at 110° C. and continued to stir for 30 min, so that the initial reaction mixture was a pure white solid. The pure white solid was then placed in a stainless steel reaction kettle lined with polytetrafluoroethylene, sealed and placed in an oven at 180°C for crystallization for 4 hours.
[0037] After the crystallization was completed, the reactor was taken out, cooled to room temperature, the product was washed with deionized water, filtered, and the separated product was dried in an oven at 90°C for 3 hours to obtain a white powder product. The product was analyzed by XRD, and the results showed that the obtained product had a...
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