Preparation method of catalytic cracking catalyst for blending and refining dense oil
一种催化裂化、催化剂的技术，应用在催化裂化、物理/化学过程催化剂、分子筛催化剂等方向，能够解决难以适应催化裂化等问题，达到高催化裂化活性、高转化率、高汽油收率的效果
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Embodiment 1
[0052] Based on the dry basis weight of the catalytic cracking catalyst, the mass percent of each component in the catalyst is: 15% of the first molecular sieve component, 15% of the second molecular sieve component, and 15% of the modified pseudo-boehmite , pseudo-boehmite 5%, clay 40% and binder 10%.
[0053] One, prepare the second molecular sieve component, the preparation method is as follows:
[0054] In the first step, 2.55 kg of sodium silicate is mixed with 2.60 kg of water to obtain solution one,
[0055] Mix 0.035 kg of sodium hydroxide, 0.164 kg of sodium aluminate and 1.60 kg of water to obtain solution 2, add solution 1 to solution 2 at a constant speed, control the feeding time of solution 1 at 1.0 hour, stir for 3 hours after adding, and then heat up Continue stirring at 100°C for 8 hours to obtain a Y zeolite nano precursor;
[0056] In the second step, 6.949 kilograms of 1-hexadecyl-3-methyl imidazole bromide and 24 kilograms of water are mixed to obtain so...
Embodiment 2
[0072] Based on the dry basis weight of the catalytic cracking catalyst, the mass percent of each component in the catalyst is: 35% of the first molecular sieve component, 25% of the second molecular sieve component, and 10% of the modified pseudo-boehmite , pseudo-boehmite 9%, clay 11% and binder 10%.
[0073] One, prepare the second molecular sieve component, the preparation method is as follows:
[0074] In the first step, 2.55 kg of sodium silicate is mixed with 2.60 kg of water to obtain solution one,
[0075] Mix 0.035 kg of sodium hydroxide, 0.164 kg of sodium aluminate and 1.60 kg of water to obtain solution 2, add solution 1 to solution 2 at a constant speed, control the feeding time of solution 1 at 0.5 hours, stir for 3 hours after adding, and then heat up Continue stirring at 100°C for 8 hours to obtain a Y zeolite nano precursor;
[0076] In the second step, 6.949 kilograms of 1-hexadecyl-3-methyl imidazole bromide and 24 kilograms of water are mixed to obtain s...
Embodiment 3-5
[0091] Catalytic cracking catalysts were prepared according to the method of Example 1. The difference was that the feed amounts were shown in Table 2 below, and spray drying was carried out after mixing and beating evenly. The feed amounts of each component were in parts by weight, thereby respectively preparing Catalytic cracking catalysts C-3 to C-5. Catalyst components are shown in Table 2 in the embodiment 1-5.
[0092] Components in catalytic cracking catalysts in Table 2 Examples 1-5 (on a dry basis)
[0093]
[0094] It has been proved by experiments that the clay can be one or a mixture of kaolin, halloysite, montmorillonite, diatomaceous earth, halloysite, saponite, retortite, sepiolite, attapulgite and bentonite; The binder can be one or more of alumina sol, silica sol or silica-alumina gel. The first molecular sieve component is one or more mixtures of rare earth Y-type molecular sieve REY, rare earth ultra-stable Y-type molecular sieve REUSY, and ultra-stable...
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