A kind of hydrogenation catalyst composition and the method for hydrogenation treatment
A technology of hydrogenation catalyst and composition, which is applied in chemical instruments and methods, chemical/physical processes, organic compound/hydride/coordination complex catalysts, etc., can solve the problems of low catalyst activity and short catalyst life, and achieve Effects of high hydrodesulfurization activity, extended service life, and high hydrodenitrogenation activity
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[0028] The present invention provides a hydrogenation catalyst composition, which comprises a hydrogenation catalyst I and a hydrogenation catalyst II; by volume and based on the hydrogenation catalyst composition, the hydrogenation catalyst I The content is 5-95%, preferably 10-80%, more preferably 20-70%; the hydrogenation catalyst I includes a support and a hydrogenation active metal component supported on the support; wherein, the hydrogenation The preparation method of catalyst I comprises:
[0029] (1) load the hydrogenation active metal component and the organic complexing agent on the carrier, and carry out the first drying and roasting to obtain the catalyst precursor; wherein, based on the dry basis weight of the catalyst precursor, the calcining such that the carbon content of the catalyst precursor is 0.01-0.5% by weight, preferably 0.04-0.4% by weight;
[0030] (2) loading an organic complexing agent on the catalyst precursor, and performing second drying without...
specific Embodiment approach
[0038] In a specific embodiment, the compound containing Group VIB metal elements can be selected from at least one of ammonium molybdate, ammonium paramolybdate, ammonium metatungstate, molybdenum oxide and tungsten oxide.
[0039] Another specific embodiment, the compound containing the VIII metal element can be selected from the group VIII metal nitrate, the VIII group metal chloride, the VIII group metal sulfate, the VIII group metal formate , Group VIII metal acetate, Group VIII metal phosphate, Group VIII metal citrate, Group VIII metal oxalate, Group VIII metal carbonate, Group VIII metal Hydroxides of Group VIII metals, Phosphates of Group VIII metals, Phosphides of Group VIII metals, Sulfides of Group VIII metals, Aluminates of Group VIII metals, Group VIII At least one of molybdates of Group VIII metals, tungstates of Group VIII metals and water-soluble oxides of Group VIII metals.
[0040] A preferred specific embodiment, the compound containing the Group VIII meta...
Embodiment 1
[0060] Weigh 54 grams of molybdenum trioxide, 21 grams of basic nickel carbonate, 13 grams of phosphoric acid, and 30 grams of citric acid into 140 grams of deionized water, heat and stir to dissolve to obtain a clear impregnation solution, and impregnate 200 grams of the above solution with saturated impregnation method. Alumina carrier, impregnated for 2 hours, then dried at 120°C for 2 hours, then calcined under the condition of flowing air, the calcined temperature was 360°C, the time was 6 hours, and the air-carrying ratio was 2 liters / (g·hour), the catalyst precursor I-Z-S1 is obtained, and the carbon content is shown in Table 1; 5 grams of ethanol is added to 150 grams of deionized water, stirred to obtain a clear solution, and the saturated impregnation method is used to impregnate I-Z-S1 with the above solution, and impregnate The time was 2 hours, and then dried at 110° C. for 3 hours to obtain catalyst I-1. Based on the total weight of Catalyst I-1 and in terms of ...
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Abstract
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