Preparation method of hydrogenation catalyst composition
A technology of hydrogenation catalyst and composition, which is applied in molecular sieve catalysts, chemical instruments and methods, physical/chemical process catalysts, etc. It can solve the problems of amorphous silicon-aluminum agglomeration, reduction of catalyst specific surface area and pore volume, and influence on catalyst performance, etc. , to achieve the effect of enhancing the binding force, improving the performance, and responding well to the environment
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Embodiment 1
[0038] Add 3000g of solid aluminum chloride, 266g of sodium tungstate, and 235g of nickel nitrate into 10 liters of distilled water while heating and stirring until dissolved to obtain a mixed solution (a). Add an appropriate amount of distilled water to the concentrated ammonia water and dilute it into about 10wt% dilute ammonia water (b), and dissolve 229.5g of 1,5-pentanediol in 2L of water to form a solution (c). Dissolve 49.7g of 1,4-butanediamine in 300ml of absolute ethanol, heat to 60°C, stir for half an hour, add 127.5g of Y-type molecular sieve Y-1 (SiO 2 / Al 2 o 3 The molar ratio is 11.0, the unit cell constant is 24.42 Å, and the relative crystallinity is 95%), the stirring is continued for 2 hours, and the modified molecular sieve (d) which has pre-adsorbed the organic amine is obtained after filtration. Take a plastic tank, add (a) into the tank, stir and heat to 60°C, open the valve of the container containing (b), and add the system in the tank dropwise to pH...
Embodiment 2
[0041] Add 2500g of solid aluminum sulfate, 1483g of sodium tungstate, and 1308g of nickel nitrate into 10 liters of distilled water, while heating and stirring until dissolved to obtain solution (a). Concentrated ammonia water was diluted with an appropriate amount of distilled water to obtain about 10 wt% dilute ammonia water (b), and 372.3 g of 1,4-butanediol was dissolved in 1 L of water to obtain solution (c). 316.5g of ethylenediamine was dissolved in 5L of water, heated to 60°C, stirred for half an hour, and 1582.4g of Y-type molecular sieve Y-1 (SiO 2 / Al 2 o 3 The molar ratio is 11.0, the unit cell constant is 24.42 Å, and the relative crystallinity is 95%) and the molecular sieve slurry (d) is obtained after stirring for 2 hours. Take a plastic tank, add (a) into the tank, stir and heat to 60°C, open the valve of the container containing (b), control the system in the tank to drop to pH=4.0 within 10 minutes, open the storage The valves of the containers (c) and (...
Embodiment 3
[0044] Add 200g of solid aluminum sulfate, 416g of sodium tungstate, and 367g of nickel nitrate into 10 liters of distilled water while heating and stirring until dissolved to obtain solution (a). Prepare the solid sodium metaaluminate to a concentration of 20g Al 2 o 3 / l sodium aluminate solution (b), 71.5g propylene glycol was dissolved in 1L water to form solution (c). 84.5g diethanolamine was dissolved in 10L water, heated to 60°C, and 844.9g Y-type molecular sieve Y-1 (SiO 2 / Al 2 o 3 The molar ratio is 11.0, the unit cell constant is 24.42 Å, and the relative crystallinity is 95%), the temperature is kept stirring for 2 hours, and the treated molecular sieve (d) is obtained by filtration. Take a glue tank, put 2l of deionized water into it, stir and heat to 60°C, then add (d), at the same time open the valve of the container containing (a), (b) and (c), and control the pH of the system to 8.0, Control the drops of (a) and (c) within 45 minutes and close the valve. ...
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