Application of ruthenium palladium/carbon catalyst
A carbon catalyst and catalyst technology, applied in the direction of physical/chemical process catalysts, heterogeneous catalyst chemical elements, metal/metal oxide/metal hydroxide catalysts, etc., can solve uneconomical production, high hydrogenation operating pressure, etc. problems, to achieve the effects of no three wastes discharge, improved surface properties, and high dispersion
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[0044] Example 1
[0045] (1) Take 20g of self-made mesoporous carbon as the carrier material, place it in 80ml of 5mol / L nitric acid aqueous solution, immerse in a water bath at 80℃ for 12h, cool, filter, wash until neutral, and dry; at 120℃, vacuum conditions Lower degassing treatment for 2h;
[0046] (2) Configure 3mol / L ruthenium chloride solution and 1.0mol / L palladium chloride solution according to the active component ruthenium loading of 5.00% and palladium loading of 0.05%;
[0047] (3) The acid-treated mesoporous carbon is impregnated with a ruthenium solution for 4 hours, dried at 80°C for 4 hours, and dried at 120°C for 6 hours by the vacuum equal amount impregnation method; the same method is used to impregnate the palladium solution, and then stand in a water bath at 80°C for 4 hours, Dry for 4 hours to obtain a ruthenium palladium-carbon catalyst precursor;
[0048] (4) Use a 10wt% NaOH aqueous solution to adjust the pH value to 11-12, precipitate for 2 hours, and let ...
Example Embodiment
[0052] Example 2
[0053] The ruthenium and palladium loadings were 8.0% and 1.0% ruthenium-palladium / carbon catalysts prepared by the same method as in Example 1; the catalyst number was CAT-2 / MC.
Example Embodiment
[0054] Example 3
[0055] The ruthenium and palladium loadings were 3.0% and 0.1% ruthenium palladium / carbon catalysts prepared by the same method as in Example 1. The catalyst number was CAT-3 / MC.
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