precious metal decorated mo 2 Preparation method of n/omc catalyst and its application in hydrodeoxygenation of biomass oil
A technology of biomass oil and catalyst, which is applied in the direction of physical/chemical process catalysts, chemical instruments and methods, and preparation of liquid hydrocarbon mixtures, etc. It can solve the problems of complex composition of biomass oil, large reactant molecules, and catalyst deactivation. Achieve high stability, high specific surface area, promote adsorption and reaction
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Embodiment 1
[0029] 5.0g of F127 was added to 40ml of the mixed solution composed of absolute ethanol and water with a volume ratio of 1:1, and after stirring for 1h, 3.3g of resorcinol was added, and the stirring was continued for 2h, and then 0.3g of (NH) was added. 4 ) 6 Mo 7 O 24 ·4H 2O, stir for 0.5h, then add 2g of urea, and dropwise add 0.5g of concentrated HCl, and continue to stir for 1h to form green color. 5g of 37% formaldehyde was added dropwise and stirred for 2h. The mixed solution was sealed and allowed to stand for 7d, the solution was layered, the upper layer was clear and colorless solution was poured out, and the lower layer was green wet gel. Dry for 7d to obtain a dry gel. Then, the temperature was raised to 600°C at a temperature rate of 3°C / min under the atmosphere of hydrogen, and the temperature was maintained for 4 hours to obtain a catalyst precursor. Then, 0.102 g of palladium chloride was dissolved in the hydrochloric acid solution, and added dropwise to ...
Embodiment 2
[0032] 5.0g of F127 was added to 40ml of the mixed solution composed of absolute ethanol and water with a volume ratio of 3:1, and after stirring for 1h, 5g of resorcinol was added, and the stirring was continued for 2h, and then 0.3g of (NH) was added. 4 ) 6 Mo 7 O 24 ·4H 2 O, stir for 0.5h, then add 4g of urea, and dropwise add 2g of concentrated HCl, and continue to stir for 1h to form green color. 5g of 37% formaldehyde was added dropwise and stirred for 2h. The mixed solution was sealed and allowed to stand for 7d, the solution was layered, the upper layer was clear and colorless solution was poured out, and the lower layer was green wet gel. After standing at room temperature for 24h, it was dried at 85°C 7d, a dry gel was obtained. Then, the temperature was raised to 600°C at a temperature rate of 3°C / min under a nitrogen atmosphere, and the temperature was maintained for 4 h to obtain a catalyst precursor. Then, 0.102 g of palladium chloride was dissolved in the h...
Embodiment 3
[0035] 3.0g of F127 was added to 40ml of the mixed solution composed of absolute ethanol and water with a volume ratio of 5:1, and after stirring for 1h, 1g of resorcinol was added, and the stirring was continued for 2h, and then 0.3g of (NH) was added. 4 ) 6 Mo 7 O 24 ·4H 2 O, stir for 0.5h, then add 4g of urea, and dropwise add 0.5g of concentrated HCl, and continue to stir for 1h to form green color. 5g of 37% formaldehyde was added dropwise and stirred for 2h. The mixed solution was sealed and allowed to stand for 7d, the solution was separated into layers, the upper layer of clear colorless solution was poured out, and the lower layer was green wet gel, and then placed at room temperature for 36h and dried at 110°C 4d, get dry gel. Then, the temperature was raised to 600°C at a temperature rate of 3°C / min under a nitrogen atmosphere, and the temperature was maintained for 4 h to obtain a catalyst precursor. Then, 0.102 g of palladium chloride was dissolved in the hyd...
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