Preparation method of hydrocracking catalyst composition
A hydrocracking and catalyst technology, applied in physical/chemical process catalysts, molecular sieve catalysts, chemical instruments and methods, etc., can solve problems such as ammonia nitrogen pollution, environmental pollution, ammonia nitrogen environmental pollution, etc., to improve acidity and acidity distribution, avoid Ammonia nitrogen pollution, good metal dispersion effect
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Embodiment 1
[0027] Concrete preparation steps are as follows:
[0028] (1) Prepare acidic solution A: prepare 200 ml of nickel chloride solution containing NiO of 150 g / l, containing WO 3 75g / l ammonium metatungstate 1000ml with ZrO 2 150ml of 125g / l zirconium oxychloride solution was mixed in a 5 liter container and diluted with 800ml of clean water. Formulated with SiO 2 550 milliliters of dilute water glass solution of 80 g / l is added in the above mixed salt solution under stirring condition;
[0029] (2) Configure alkaline sodium metaaluminate solution B: configure Al 2 o 3 The concentration is 30g / l alkaline solution 3000ml;
[0030] (3) Add 1000mL water into the gelling tank, and pass CO2 with a volume concentration of 85v% into the clean water 2 , so that the CO in the gas in the tank 2 The concentration is 80v%, sealed tank;
[0031] (4) Put solution A and solution B into the glue tank in parallel to form gel, keep the temperature of gel formation at 50°C, and control th...
Embodiment 2
[0035] According to the method of embodiment 1, according to the component content proportioning of catalyst B in table 1, prepare catalyst B, just transfer the gelling temperature to 65 ℃, to adjust the pore structure, the pH value control is 7.8 at the end, catalyst composition and The main properties are shown in Table 1.
Embodiment 3
[0037] Catalyst C was prepared according to the method of Example 2, according to the composition ratio of catalyst C in Table 1, except that zirconium oxychloride was replaced by titanium tetrachloride. The catalyst composition and main properties are shown in Table 1.
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