Preparation method of noble metal-modified Mo2N/OMC catalyst and application of noble metal-modified Mo2N/OMC catalyst in hydrodeoxygenation of biomass oil
A catalyst and precious metal technology, which is used in the preparation of Mo2N/OMC catalyst and the application field of biomass oil hydrodeoxygenation, can solve the problems of complex biomass oil composition, large reactant molecules, catalyst deactivation, etc., and achieve high stability properties, high specific surface area, and the effect of promoting adsorption and reaction
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Embodiment 1
[0029] Add 5.0 g of F127 to 40 ml of a mixture of absolute ethanol and water at a volume ratio of 1:1, and stir for 1 h, then add 3.3 g of resorcinol, continue stirring for 2 h, and then add 0.3 g of (NH 4 ) 6 Mo 7 o 24 4H 2O, stirred for 0.5h, then added 2g of urea, and added dropwise 0.5g of concentrated HCl, and continued stirring for 1h to form a green color. Add 5g of 37% formaldehyde dropwise and stir for 2h. Seal the mixed solution and let it stand for 7d. The solution is layered. The clear colorless solution in the upper layer is poured out, and the lower layer is a green wet gel. After standing at room temperature for 24h, dry at 85°C 7d, get xerogel. Then, the temperature was raised to 600° C. at a rate of 3° C. / min under a hydrogen atmosphere, and the temperature was maintained for 4 hours to obtain a catalyst precursor. Then 0.102 g of palladium chloride was dissolved in hydrochloric acid solution, and added dropwise to the catalyst precursor, soaked for 10 h,...
Embodiment 2
[0032] Add 5.0 g of F127 to 40 ml of a mixture of absolute ethanol and water at a volume ratio of 3:1, and stir for 1 h, then add 5 g of resorcinol, continue stirring for 2 h, and then add 0.3 g of (NH 4 ) 6 Mo 7 o 24 4H 2 O, stirred for 0.5h, then added 4g of urea, and added dropwise 2g of concentrated HCl, and continued stirring for 1h to form a green color. Add 5g of 37% formaldehyde dropwise and stir for 2h. Seal the mixed solution and let it stand for 7d. The solution is layered. The clear colorless solution in the upper layer is poured out, and the lower layer is a green wet gel. After standing at room temperature for 24h, dry at 85°C 7d, get xerogel. Then, the temperature was raised to 600° C. at a rate of 3° C. / min under a nitrogen atmosphere, and the temperature was maintained for 4 hours to obtain a catalyst precursor. Then 0.102 g of palladium chloride was dissolved in hydrochloric acid solution, and added dropwise to the catalyst precursor, soaked for 10 h, an...
Embodiment 3
[0035] Add 3.0 g of F127 to 40 ml of a mixture of absolute ethanol and water at a volume ratio of 5:1, and stir for 1 h, then add 1 g of resorcinol, continue stirring for 2 h, and then add 0.3 g of (NH 4 ) 6 Mo 7 o 24 4H 2 O, stirred for 0.5h, then added 4g of urea, and added dropwise 0.5g of concentrated HCl, and continued stirring for 1h to form a green color. Add 5g of 37% formaldehyde dropwise and stir for 2h. Seal the mixed solution and let it stand for 7d. The solution is layered. The clear colorless solution in the upper layer is poured out, and the lower layer is a green wet gel. After standing at room temperature for 36h, dry at 110°C 4d, get xerogel. Then, the temperature was raised to 600° C. at a rate of 3° C. / min under a nitrogen atmosphere, and the temperature was maintained for 4 hours to obtain a catalyst precursor. Then 0.102 g of palladium chloride was dissolved in hydrochloric acid solution, and added dropwise to the catalyst precursor, soaked for 10 h,...
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