Hydrocracking catalyst carrier as well as preparation method and application thereof
A catalyst carrier and hydrocracking technology, which is applied in the direction of catalyst carrier, physical/chemical process catalyst, molecular sieve catalyst, etc., can solve the problems of poor catalyst activity and inability to meet industrial requirements, and achieve the effect of increased yield
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Embodiment 1
[0029] (1) Preparation of hydrocracking catalyst carrier
[0030]Put 20gY molecular sieve, 8gSAPO-34 molecular sieve, 80g amorphous silica alumina, and 4g microcrystalline cellulose into the rolling machine for rolling. After rolling for 15 minutes, add guar gum (0.5%) and nitric acid (2.5%) The aqueous solution was rolled into a paste and extruded. The extruded strips were dried at 120°C for 3 hours and calcined at 550°C for 3 hours to obtain carrier Z1. The physical and chemical properties of the carrier and molecular sieve are shown in Table 1.
[0031] (2) Catalyst preparation
[0032] The carrier Z1 was impregnated with an equal volume of impregnation solution containing Mo, Ni, and P, dried at 120°C for 3 hours, and calcined at 480°C for 2 hours.
Embodiment 2
[0034] (1) Preparation of hydrocracking catalyst carrier
[0035] Put 10gY molecular sieve, 5gSAPO-34 molecular sieve, 90g amorphous silica alumina, and 3g microcrystalline cellulose into the rolling machine for rolling. After rolling for 15 minutes, add guar gum (0.6%) and nitric acid (2.3%) The aqueous solution was rolled into a paste and extruded. The extruded strips were dried at 110°C for 3 hours and calcined at 500°C for 4 hours to obtain carrier Z1. The physical and chemical properties of the carrier and molecular sieve are shown in Table 1.
[0036] (2) Catalyst preparation
[0037] The carrier Z2 was impregnated with an equal volume of impregnation solution containing Mo, Ni, and P, dried at 100°C for 3 hours, and calcined at 450°C for 2 hours.
Embodiment 3
[0039] (1) Preparation of hydrocracking catalyst carrier
[0040] Put 23gY molecular sieve, 10gSAPO-34 molecular sieve, 60g of amorphous silica-alumina, and 2g of microcrystalline cellulose into the rolling machine for rolling. After rolling for 12 minutes, add guar gum (0.2%) and nitric acid (2.3%) The aqueous solution was rolled into a paste and extruded. The extruded strips were dried at 90°C for 5 hours and calcined at 580°C for 3 hours to obtain the carrier Z3. The physical and chemical properties of the carrier and molecular sieve are shown in Table 1.
[0041] (2) Catalyst preparation
[0042] The carrier Z3 was impregnated with an equal volume of impregnation solution containing Mo, Ni, and P, dried at 100°C for 3 hours, and calcined at 450°C for 2 hours. The finally obtained catalyst was designated as C-3.
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