P-methoxyphenol hydrogenation catalyst, preparation method of p-methoxyphenol hydrogenation catalyst and hydrogenation reaction
A technology of p-methoxyphenol and hydrogenation catalyst, which is applied in the hydrogenation preparation of aromatic hydroxyl compounds, carbon-based compound preparation, metal/metal oxide/metal hydroxide catalysts, etc., which can solve the problem of maintaining catalyst activity and selectivity and other problems, to achieve the effect of improving reactivity and selectivity, simple preparation, and high molar yield
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Embodiment 1
[0045] (1) Weigh 10.0g commercial activated carbon (200 mesh, specific surface area is 1200m 2 / g, the pore volume is 1.5cm 3 / g), add 20ml of 10wt% ammonia solution, stir at 40°C for 4h, filter, and wash with distilled water until neutral. The obtained activated carbon filter cake was transferred to 30ml of 20wt% nitric acid solution, stirred at 80°C for 5h, filtered, and washed with distilled water until neutral.
[0046] (2) Weigh 0.05g of lead nitrate, add 40ml of distilled water, stir, and make a solution, add the above-mentioned activated carbon that has been treated with ammonia water and nitric acid solution successively into the solution, soak for 5h at room temperature, filter, and place the filter cake in Dry in an oven at 110°C overnight, then sinter in a muffle furnace at 300°C for 4 hours, and cool to room temperature naturally.
[0047] (3) Weigh 0.5531gNa 2 [PdCl 4 ] and 0.0063 gAgNO 3 , add 20ml of distilled water to dissolve, then add 4.0g of the above-m...
Embodiment 2
[0049] Catalyst sample C2 was prepared by the same method steps as in Example 1, except that AgNO was not used in step (3). 3 While using an equimolar amount of Ni(NO 3 ) 2 .6H 2 O instead.
Embodiment 3
[0051] Catalyst sample C3 was prepared by the same method steps as in Example 1, except that AgNO was not used in step (3). 3 While using an equimolar amount of Co(NO 3 ) 2 .6H 2 O instead.
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