Preparation method of catalytic cracking gasoline octane number additive
A technology for catalytic cracking of gasoline and octane number, applied in catalytic cracking, molecular sieve catalysts, chemical instruments and methods, etc. The performance of texture and aromatization, the effect of increasing liquefied gas and increasing octane number
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Embodiment 1
[0031] (1) Beat ZSM-5-① with water, add magnesium citrate, Mg 2+ / ZSM-5-①The mass ratio is 0.02, 650 ℃ hydrothermal roasting for 1 hour;
[0032] (2) According to the ratio: ZSM-5-①: silica fume: silica sol=35:45:20, mix and beat, and spray-dry to obtain the title compound 1.
Embodiment 2
[0034] (1) Beat ZSM-5-② with water, add magnesium lactate, Mg 2+ The mass ratio of / ZSM-5-② is 0.04, and the hydrothermal roasting is performed at 600℃ for 1.5 hours;
[0035] (2) Mix and beat according to the ratio: ZSM-5-②: silica fume: silica sol=35:48:17, spray-dry to obtain the title compound 2.
Embodiment 3
[0037] (1) Add water to make ZSM-5-③, add magnesium lactate, Mg 2+ The mass ratio of / ZSM-5-③ is 0.03, and the hydrothermal roasting is performed at 600℃ for 1.5 hours;
[0038] (2) According to the ratio: ZSM-5-③: silica fume: silica sol=35:50:15, mix and beat, and spray-dry to obtain title compound 3.
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