A kind of hydrogenation upgrading catalyst and preparation method thereof
A technology for hydrogenation and upgrading and catalysts, which are used in molecular sieve catalysts, chemical instruments and methods, physical/chemical process catalysts, etc.
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Embodiment 1
[0091] Weigh 15g of tartaric acid, stir and dissolve in 45g of water to prepare wetting solution I. Take 300g of the S1 carrier, and spray the wetting solution I evenly on the S1 carrier for 15 minutes. After spraying and immersing in the wetting solution I, dry at 100°C for 2 hours, impregnate the above-mentioned carrier with an equal volume of impregnating solution containing Mo, Co, and P (first impregnating solution), and divide the obtained samples into three parts on average, of which the first sample is not Preservation, after drying at 120°C for 3 hours and roasting at 480°C for 2 hours, the sample obtained is designated as B1; the second sample was cured for 1 hour, and the sample obtained was recorded as B2 after the same post-treatment steps as the catalyst intermediate B1; the third Each sample was incubated for 3 hours, and after the same post-treatment steps as the catalyst intermediate B1, the prepared sample was denoted as B3.
[0092] Weigh 6g of polyethylene...
Embodiment 2
[0095] Weigh 3.0 g of malic acid, stir and dissolve in 18 g of ethanol to prepare wetting solution I. Take 300g of the S2 carrier, and spray the wetting solution I evenly on the S2 carrier for 5 minutes. The above-mentioned carrier was impregnated with an equal volume of impregnation solution (first impregnation solution) containing Mo, Co, and P. After impregnation, it was cured for 1 hour, dried at 120°C for 3 hours, and calcined at 480°C for 2 hours. The obtained sample was designated as B4.
[0096] Weigh 24g of polyethylene glycol 1000, stir and dissolve in measured water to prepare wetting solution II. Immerse sample B4 with equal volume of this wetting solution II, then perform 5h curing, and after drying at 120°C for 3h, the prepared sample is designated as Z4.
[0097] Spray and impregnate the Z4 sample with an equal volume of immersion solution (second immersion solution) containing Mo, Ni, and P. After the spray immersion, divide the sample into three parts on averag...
Embodiment 3
[0099] Weigh 3.5g each of citric acid and malonic acid, stir and dissolve in 20g water to prepare wetting solution I. Take 100g of the S3 carrier, and spray the wetting solution I evenly on the S3 carrier for 25 minutes. The above carrier was impregnated with an equal volume of Mo, Co, and P impregnating solution (the first impregnating solution). After impregnation, it was cured for 1 hour, dried at 120°C for 3 hours, and calcined at 480°C for 2 hours. The obtained sample was designated as B7.
[0100] Weigh 2g of polyethylene glycol 8000, stir and dissolve in the measured aqueous solution to prepare wetting solution II. The sample B7 was impregnated with equal volume of the wetting solution II, and then cured for 5 hours. After drying at 120°C for 3 hours, the prepared sample was designated as Z7.
[0101] The Z7 sample was spray-impregnated with an impregnation solution containing Mo, Ni, and P (the second immersion solution) in equal volume, dried at 120°C for 3 hours, an...
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