Hydrotreatment catalyst
A hydrogenation treatment and catalyst technology, applied in refining to remove heteroatoms, etc., can solve the problems of long process and high energy consumption, and achieve the effect of simple process and good hydrodesulfurization reaction activity
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[0007] According to the present invention, there is provided a method for preparing a catalyst, wherein, in terms of oxides and based on the catalyst, the aluminum-containing compound, at least one compound containing a metal selected from cobalt or nickel, and at least one compound containing a metal selected from molybdenum or The compound dosage of tungsten metal is preferably such that in the final catalyst, the content of said at least one metal component selected from cobalt or nickel is 0.1 to 20% by weight, more preferably 0.5 to 15% by weight, at least one selected from molybdenum or tungsten The content of the metal component is 1 to 40% by weight, more preferably 5 to 30% by weight, and the content of alumina is 40 to 95% by weight, more preferably 60 to 90% by weight.
[0008] The aluminum-containing compound is selected from one or more of any water-soluble aluminum-containing compounds, preferably water-soluble aluminum-containing inorganic salts, such as aluminum...
Embodiment 1
[0027] Mix 16.5 grams of nickel nitrate, 17 milliliters of ammonium metatungstate solution (solution concentration is 77.6 grams of tungsten oxide / 100 milliliters of solution), 626.5 grams of aluminum nitrate and deionized water to make a solution of 600 milliliters; weigh 500 grams of urea and deionized Ionized water was mixed to prepare a solution of 400 ml; the two solutions were mixed, the solution was placed in a muffle furnace and heated until it was ignited and burned, and the organic reducing agent was burned to obtain a fluffy and foamy powder material. In the presence of air, the powder material was continuously calcined in a muffle furnace at 450° C. for 8 hours to obtain catalyst A. The composition of Catalyst A is listed in Table 1.
Embodiment 2
[0029]Mix 0.7 grams of cobalt nitrate, 16.5 grams of nickel nitrate, 17 milliliters of ammonium metatungstate solution (solution concentration is 77.6 grams of tungsten oxide / 100 milliliters of solution), 626.5 grams of aluminum nitrate and deionized water to form 600 milliliters of solution; 510 grams of urea was mixed with deionized water to prepare 400 milliliters of solution; the two solutions were mixed, the solution was placed in a muffle furnace and heated to ignite and burn, and the organic reducing agent was burned to obtain a fluffy foamy powder. Using the conventional extruding method, the powder was extruded into a clover strip with a diameter of 1.6mm on an extruder, and the wet strip was dried at 120°C for 2 hours and calcined at 450°C for 4 hours to obtain Catalyst B. The composition of Catalyst B is listed in Table 1.
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