Catalyst for hydrogenation and upgrading of diesel oil and preparation method thereof
A technology of hydrogenation modification and catalyst, which is applied in molecular sieve catalysts, chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, etc.
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Embodiment 1
[0086] Weigh 12g of polyethylene glycol 2000 (that is, polyethylene glycol with a molecular weight of 2000, the same below), stir and dissolve in measured water to prepare wetting solution I. Use this wetting solution I to impregnate 200g of the S1 carrier, then perform 10h of curing, and after drying at 120°C for 3h, the prepared sample is designated as B1.
[0087] The above-mentioned B1 sample was spray-impregnated with an equal volume of impregnation solution containing W and Ni. After the spray-impregnation, it was directly dried at 120°C for 3 hours and calcined at 480°C for 2 hours. The obtained sample was designated as Z1.
[0088] Weigh 10 g of tartaric acid, stir and dissolve in 30 g of water to prepare a wetting solution. Spray and soak the wetting solution II evenly on Z1 for 15 minutes. After spraying and immersing in the wetting solution II, dry at 100°C for 2 hours, impregnate with an equal volume of impregnating solution containing Mo, Co, and P, and divide th...
Embodiment 2
[0090] Weigh 16g of polyethylene glycol 1000, stir and dissolve in measured water to prepare wetting solution I. Impregnate 200g of S2 carrier with equal volume of this wetting solution I, then perform 5h of curing, and after drying at 120°C for 3h, the prepared sample is designated as B2.
[0091] Spray and immerse the B2 sample with an equal volume of impregnation solution containing W and Ni. After the spray immersion, divide the sample into two parts on average. The first sample is directly dried at 120°C for 3 hours, and the obtained sample is designated as Z2; the second sample is preserved for 3 hours. , Dry at 120°C for 3h, and the prepared sample is designated as Z3.
[0092] Weigh 1.0 g of malic acid, stir and dissolve in 6 g of ethanol to prepare wetting solution II. Spray and soak the wetting solution II evenly on Z2 for 5 minutes. The above samples were impregnated with an equal volume of impregnation solution containing Mo, Co, and P. After impregnation, they w...
Embodiment 3
[0094] Weigh 2g of polyethylene glycol 8000, stir and dissolve in the measured aqueous solution to prepare wetting solution I. Impregnate 100g of S3 carrier with equal volume of this wetting solution I, then perform 5h curing, and after drying at 120°C for 3h, the prepared sample is designated as B3.
[0095] Spray-immerse the B3 sample with an equal volume of impregnating solution containing W and Ni, and directly dry it at 120°C for 3 hours. The obtained sample is designated as Z4.
[0096] Weigh 3.5g each of citric acid and malonic acid, stir and dissolve in 20g water to prepare wetting solution II. Spray and soak the wetting solution II evenly on Z4 for 25 minutes. The above sample was impregnated with an equal volume of impregnation solution containing Mo, Co, and P. After impregnation, it was cured for 1 hour and dried at 120°C for 3 hours. The obtained catalyst was designated as C5.
[0097]Prepare an aqueous solution containing glycerin, and spray C5 with equal volum...
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Abstract
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