Deep desulfurization method of gasoline by catalysis of Ni-containing catalyst
A deep desulfurization and catalytic gasoline technology, which is applied in the petroleum industry, hydrocarbon oil treatment, hydrotreating process, etc., can solve problems such as unseen, unqualified mercaptan sulfur, and failure to meet technical requirements, so as to reduce the severity of the reaction , Octane number loss optimization, hydrogen consumption optimization effect
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Embodiment 1
[0031] Weigh 100g of pseudo-boehmite, add 2g of fenugreek powder, then add 3% nitric acid aqueous solution, knead and extrude, dry at 120°C for 4h, and then roast at 650°C for 4h to obtain the catalyst carrier. Test the water absorption of the carrier according to the conventional method, and then prepare the active component impregnation solution according to the water absorption of the carrier according to the equal volume impregnation method. First weigh 45ml of ammonia water, then add 54g of nickel nitrate and stir until dissolved, and finally dilute with ammonia water. The carrier was impregnated by the equal volume impregnation method, so that the catalyst carrier fully absorbed the impregnation solution of the active component, and then placed for 12 hours, the catalyst was dried at 120°C for 4 hours, and then calcined at 600°C for 4 hours to obtain the catalyst sample Cat-1#.
Embodiment 2
[0033] According to the preparation method of the carrier in Example 1, 100 g of the catalyst carrier was prepared, and then the active component impregnation solution was prepared, and the preparation method was the same as that of Example 1. First weigh 50ml of ammonia water, then add 32g of nickel acetate and stir until dissolved, and finally dilute with ammonia water. The impregnation method, drying and roasting conditions of the metal active components were the same as in Example 1, and the catalyst sample Cat-2# was obtained.
Embodiment 3
[0035] According to the preparation method of the carrier in Example 1, 100 g of the catalyst carrier was prepared, and then the active component impregnation solution was prepared, and the preparation method was the same as that of Example 1. First weigh 40ml of ammonia water, then add 38g of nickel acetate and 40g of nickel nitrate and stir until dissolved, and finally use ammonia water to make up the volume. The impregnation method, drying and roasting conditions of the metal active components were the same as in Example 1, and the catalyst sample Cat-3# was obtained.
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