A kind of preparation technology of hydrocracking catalyst
A cracking catalyst and hydrocracking technology, applied in physical/chemical process catalysts, molecular sieve catalysts, hydrocarbon oil cracking, etc., can solve problems such as unfavorable reforming units and reduce heavy naphtha aroma potential, so as to improve quality and reduce hydrogen consumption effect
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Embodiment 1
[0020] (1) Take Y molecular sieve with a dry basis weight of 150g and dry basis weight of 250g macroporous alumina, mix evenly, add 3g / 100ml dilute nitric acid 200ml, roll and extrude, then dry at 120°C for 4h, and roast at 550°C After 3 hours, the carrier was obtained, and the number was T-1; (2) Prepare W-Ni impregnation solution: take 241g of ammonium metatungstate and 240g of nickel nitrate and dissolve it in water to prepare 1000ml of impregnation solution. The active metal in the obtained impregnation solution is expressed as WO 3and NiO content are calculated as 20g / 100ml and 6g / 100ml respectively, coded as RY-1; take 300g of T-1 and soak in 600ml RY-1 for 2h, then take out the carrier at room temperature for 2h, dry at 100°C for 4h, and 500°C Roast for 3 hours to obtain a low metal content carrier, numbered CTL-1; (3) Take 300g of CTL-1 and place it in 600ml of n-heptane solvent for immersion for 2 hours, take it out and dry it at 110°C for 5 minutes to obtain CTL-2. T...
Embodiment 2
[0022] (1) Take Y molecular sieve with a dry basis weight of 200g and dry basis weight of 200g macroporous alumina and mix evenly, add 3g / 100ml dilute nitric acid 200ml for rolling and extrusion, then dry at 120°C for 4 hours, and roast at 550°C After 3 hours, the carrier was obtained, and the number was T-2; (2) Prepare W-Ni impregnation solution: take 241g of ammonium metatungstate and 240g of nickel nitrate and dissolve it in water to prepare 1000ml of impregnation solution. The active metal in the obtained impregnation solution is expressed as WO 3 and NiO content are calculated as 20g / 100ml and 6g / 100ml respectively, and the code is RY-3; take 300g of T-2 and soak it in 600ml RY-3 for 2h, then take out the carrier at room temperature for 2h, dry at 100°C for 4h, and 500°C Roast for 3 hours to obtain a low metal content carrier, numbered CTL-3; (3) Take 300g of CTL-3 and place it in 600ml petroleum ether solvent for immersion for 2 hours, take it out and dry it at 90°C for ...
Embodiment 3
[0024] (1) Take Y molecular sieve with a dry basis weight of 250g and dry basis weight of 150g macroporous alumina, mix evenly, add 3g / 100ml dilute nitric acid 200ml, roll and extrude, then dry at 120°C for 4h, and roast at 550°C After 3 hours, the carrier was obtained, and the number was T-3; (2) Prepare W-Ni impregnation solution: take 180g of ammonium metatungstate and 160g of nickel nitrate and dissolve it in water to prepare 1000ml of impregnation solution, and the active metal in the obtained impregnation solution is expressed as WO 3 The calculated NiO and NiO contents are 15g / 100ml and 4g / 100ml respectively, and the code is RY-5; take 300g of T-3 and soak it in 600ml RY-5 for 2h, then take out the carrier at room temperature for 2h, dry it at 100°C for 4h, and then dry it at 500°C Roast for 3 hours to obtain a low metal content carrier, numbered CTL-5; (3) Take 300g of CTL-5 and place it in 600ml of toluene solvent for immersion for 3 hours, take it out and dry it at 15...
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