Catalyst having hydrogenation catalysis function, and preparation method and application thereof, and method for hydrogenation treatment of hydrocarbon oil
A catalyst and compound technology, applied in the field of catalysts and their preparation, can solve problems such as catalyst deactivation, and achieve the effects of high catalytic activity, high stability, and simple and easy method.
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Embodiment 1
[0121] (1) 100.0g of pseudo-boehmite powder (purchased from Sinopec Catalyst Changling Branch, with a dry basis content of 69.5% by weight), 4.0g of methylcellulose (purchased from Zhejiang Haishen Chemical Co., Ltd.), 3.0g Squat powder, 20.0mL rare earth chloride (i.e., RECl 3 ) aqueous solution (with RE 2 o 3 Calculated, the rare earth content is 85.0g / L, in the total amount of rare earth: Ce 2 o 3 63% by weight, La 2 o 3 25% by weight, Pr 6 o 11 2.1% by weight, Nd 2 o 3 5.0% by weight, Sm 2 o 3 0.5% by weight, other rare earth 4.4% by weight) and 80g of deionized water were mixed evenly. The resulting mixture is fed into an extruder and extruded to obtain a wet strip. The extruded wet strip was placed in an oven and dried at 200° C. for 6 hours, thereby obtaining the carrier in the catalyst according to the present invention. The radial crushing strength, water absorption and δ value of the obtained carrier were measured, and the results are listed in Table ...
Embodiment 2
[0136] (1) In a 2L reaction tank, add 2000mL of aluminum sulfate solution and sodium metaaluminate solution (Al 2 o 3 content of 200g / L, caustic coefficient of 1.58) for precipitation reaction, the reaction temperature is 50°C, the pH value is 6.0, and the reaction residence time is 15 minutes; the obtained slurry is filtered with a vacuum filter. Add 20L of deionized water (at a temperature of 40±5°C) to the filter cake to rinse the filter cake for about 60 minutes. Add the washed filter cake to 1.5L deionized water and stir to form a slurry, then pump the slurry into the spray dryer for drying, control the outlet temperature of the spray dryer within the range of 100-110°C, and the material drying time for 2 minutes to obtain hydrated alumina, where Al 2 o 3 The content is 63% by weight, and it is determined to be amorphous by XRD analysis.
[0137] (2) 50.0g of pseudoboehmite powder (purchased from Sinopec Catalyst Changling Branch, with a dry basis content of 69.5% by ...
Embodiment 3
[0140] (1) 60.0g of pseudoboehmite (purchased from Sinopec Catalyst Changling Branch, with a dry basis content of 69.5% by weight), 40.0g of gibbsite (purchased from Guangxi Pingguo Aluminum Company, with a dry basis content of 64.5% by weight), 1.0g methyl cellulose (purchased from Zhejiang Haishen Chemical Co., Ltd.), 2.0g hydroxypropyl methylcellulose (purchased from Zhejiang Haishen Chemical Co., Ltd.), 3.0g kale powder and dissolved There are 20gLa (NO 3 ) 3 ·6H 2 O in 90 mL of deionized water and stirred well. The resulting mixture is fed into an extruder and extruded to obtain a wet strip. The obtained wet strip was placed in an oven and dried at 210° C. for 12 hours, so as to obtain the carrier in the catalyst according to the present invention. The radial crushing strength, water absorption and δ value of the obtained carrier were measured, and the results are listed in Table 1.
[0141] (2) 0.34 g of basic cobalt carbonate (CoO content is 70% by weight), 1.20 g ...
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