Preparation method of hydrotreating catalyst
A hydrogenation treatment and catalyst technology, applied in the direction of physical/chemical process catalysts, molecular sieve catalysts, chemical instruments and methods, etc., can solve the problems of not being able to meet the technical requirements for processing heavy crude oil, poor stability, poor activity, etc., to achieve Increased effective utilization, increased dispersion, and improved hydrogenation performance
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Embodiment 1
[0071] (I) Preparation of Al-SBA-15 molecular sieve
[0072] (1) Preparation of amorphous silicone dry glue A1 and slurry: sodium aluminate solution concentration 28gal 2 O 3 / L, sodium silicate solution concentration 90gsio 2 / L, the sodium aluminate solution is placed in a rubber tank, then 0.55L sodium silicate solution, control the reaction temperature of 30 ° C, and the concentration of 40V% is obtained. 2 Gas, access CO 2 When the gas accounted for 55% of the total exchange, 0.12 L of sodium silicate solution was added, and the pH of the gel was 9.7, and then the ventilation was stable for 20 minutes, and the slurry was filtered and washed with 65 ° C to deion water to neutral. The filter cake was pushed into a solid solution of 12: 1, and the water was treated at 120 ° C, 3.5 mPa water vapor pressure for 2 hours, and after drying at 120 ° C for 6 hours, the amorphous silica aluminum product A1 was pulverized. The prepared amorphous silica A1 and deionized water were mixed...
Embodiment 2
[0081] (I) Preparation of Al-SBA-15 molecular sieve
[0082] (1) Preparation of amorphous silicone and aluminum dry glue A2 and slurry: sodium aluminate solution concentration 25 g 2 O 3 / L, sodium silicate solution concentration 120gsio 2 / L, take 0.5L aluminate solution in the tank, then add 0.58 L silicate solution, control the reaction temperature of 35 ° C, CO of 55V% in the concentration of 55V 2 Gas, when the pH is 10.2, then the ventilation is stable for 20 minutes, washed to neutral, the filter cake is pushed into the volume of 10: 1 plus water, at 130 ° C, 3.2 MPa water vapor pressure for 2.5 hours, in After drying at 120 ° C for 8 hours, crushing the sieved amorphous silica aluminum product A2. The prepared amorphous silica A2 and deionized water are mixed, and the slurry is formed; wherein the mass ratio of amorphous silicone and water is 19:81;
[0083] (2) The acidic aqueous solution containing the P123 triblock copolymer is formulated; the P123 triblock copolymer ...
Embodiment 3
[0091] (I) Preparation of Al-SBA-15 molecular sieve
[0092] (1) Preparation of amorphous silicone dry glue A3 and slurry: sodium aluminate solution concentration 18 gal 2 O 3 / L, sodium silicate solution concentration 50gsio 2 / L, take 0.78L sodium aluminate solution into the tank, then add 0.12 L of sodium silicate solution, control the reaction temperature of 23 ° C, and pass into a concentration of 45V% CO 2 Gas, controlling the pH of the rubber of 8.8, then venting is stable for 20 minutes, the slurry is filtered and washed to neutral with 75 ° C to neutral, the filter cake is in the solid solution of 11: 1 plus water, at 120 ° C, 3.5 MPa The water vapor pressure was treated for 2 hours, and after 6 hours at 120 ° C for 6 hours, the amorphous silica aluminum product A3 was pulverized. The prepared amorphous silica A3 and deionized water were mixed, and the slurry was formed; wherein the amorphous silicone dry glue and water mass ratio was 24:76;
[0093] (2) The acidic aque...
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