Hydrocracking catalyst and preparation method thereof
A hydrocracking and catalyst technology, which is used in physical/chemical process catalysts, molecular sieve catalysts, chemical instruments and methods, etc., can solve the problems of reducing the amount of strong acid, blocking and covering part of the acid center, and increasing the proportion of medium and strong acids. The effect of reducing, reducing excessive cracking, and increasing the proportion of medium and strong acids
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[0028] Example 1
[0029] The composite F-1 of amorphous silicon aluminum and Y-type molecular sieve prepared according to the method provided by the present invention.
[0030] Add 1000g of amorphous silicon-alumina (silica content of 30wt%) into 2 liters of distilled water, stir and beat to form slurry (a), dissolve 100g of polyethylene glycol ether in 1L of water to form solution (b), take 250 Gram industrial production of NaY zeolite (SiO 2 / A1 2 O 3 =5.0 (molar ratio), the unit cell constant is 2.463nm, Na 2 O content is 9wt%), use 2500ml NH concentration of 10wt% 4 NO 3 Exchange the aqueous solution at 90℃ for 1 hour, and then use 2500ml of oxalic acid and NH with a pH of 2 4 NO 3 The mixture is exchanged twice, and the slurry (a) and the solution (b) are added at the same time, and then the first hydrothermal treatment is performed at 0.098 MPa and 550°C for 2 hours, and then 10wt% NH is used 4 NO 3 Aqueous exchange to Na 2 O After 3 The aqueous solution is exchanged, filtere...
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[0031] Example 2
[0032] The composite F-2 of amorphous silicon aluminum and Y-type molecular sieve prepared according to the method provided by the present invention.
[0033] Add 1000g of amorphous silicon-alumina (silica content of 30wt%) into 2 liters of distilled water, stir and beat to form slurry (a), dissolve 100g of polyoxyethylene amide in 1L of water to form solution (b), take 250 grams Industrial production of NaY zeolite (SiO 2 / A1 2 O 3 =5.0 (molar ratio), the unit cell constant is 2.463nm, Na 2 O content is 9wt%), use 2500ml NH concentration of 10wt% 4 NO 3 Exchange the aqueous solution at 90℃ for 1 hour, and then use 2500ml of oxalic acid and NH with a pH of 2 4 NO 3 The mixed solution is exchanged twice, and then the first hydrothermal treatment is performed at 0.098 MPa and 550°C for 2 hours, and then the NH concentration is 10wt% 4 NO 3 Aqueous exchange to Na 2 O 3 The aqueous solution was exchanged, filtered, washed with water, and dried at 120° C. for 4 hours t...
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[0034] Example 3
[0035] A composite F-3 of amorphous silicon aluminum and Y-type molecular sieve prepared according to the method provided by the present invention.
[0036] Add 1000g of amorphous silicon-alumina (silica content of 20wt%) into 2 liters of distilled water, stir and beat to form slurry (a), dissolve 150g of polyoxyethylene amine in 1L of water to form solution (b), take 250 grams Industrial production of NaY zeolite (SiO 2 / A1 2 O 3 =5.0 (molar ratio), the unit cell constant is 2.463nm, Na 2 O content is 9wt%), use 2500ml NH concentration of 10wt% 4 NO 3 Exchange the aqueous solution at 90℃ for 1 hour, and then use 2500ml of oxalic acid and NH with a pH of 2 4 NO 3 The mixture is exchanged twice, and the slurry (a) and the solution (b) are added at the same time, and then the first hydrothermal treatment is performed at 0.098 MPa and 550°C for 2 hours, and then 10wt% NH is used 4 NO 3 Aqueous exchange to Na 2 O After 3 The aqueous solution is exchanged, filtered, wa...
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