A kind of hydrophobic lipophilic hydrodeoxygenation catalyst and its preparation method and application
A deoxygenation catalyst, hydrophobic and lipophilic technology, applied in chemical instruments and methods, physical/chemical process catalysts, preparation of liquid hydrocarbon mixtures, etc., can solve the problems of low catalytic activity and high crystallinity of catalysts, and achieve simple operation and low price. , to avoid damaging effects
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Embodiment 1
[0028] Dissolve 0.725 g of sodium molybdate in 80 mL of deionized water, add 0.6851 g of thiourea, and then add 8.02 g of silicotungstic acid. After fully dissolving, move it to a 200 mL airtight hydrothermal reaction kettle, seal it, and react at 240°C for 12 hours Afterwards, the temperature was lowered to 50° C., and the lid of the reaction kettle was opened. Dissolve 0.0873 g of cobalt nitrate in 5 ml of deionized water, add 0.0457 g of thiourea to dissolve, add this solution into the previously opened reactor, seal it, and react at 240 °C for 12 hours. After the reaction, a black precipitate is obtained. After washing with water and alcohol, dry in a vacuum oven at 60°C for 5 hours.
[0029] Add 12.5 g of n-dodecane, 5.4 g of p-ethylphenol and 0.03 g of the above-prepared catalyst in the autoclave, install the device, remove the air in the autoclave by displacement method, and then change from room temperature at a rate of 10 °C / min to The temperature was increased to 22...
Embodiment 2
[0031] Dissolve 0.725 g of sodium molybdate in 80 mL of deionized water, add 0.6851 g of thiourea, and then add 8.02 g of silicotungstic acid. After fully dissolving, move it to a 200 mL airtight hydrothermal reaction kettle, seal it, and react at 240°C for 12 hours Afterwards, the temperature was lowered to 50° C., and the lid of the reaction kettle was opened. Dissolve 0.1746 g of cobalt nitrate in 5 ml of deionized water, add 0.0914 g of thiourea to dissolve, then add this solution into the previously uncapped reaction kettle, seal it, and react at 240 °C for 12 hours. After the reaction, a black precipitate is obtained. After washing with water and alcohol, dry in a vacuum oven at 60°C for 5 hours.
[0032] Add 12.5 g of n-dodecane, 5.4 g of p-ethylphenol and 0.03 g of the above-prepared catalyst in the autoclave, install the device, remove the air in the autoclave by displacement method, and then change from room temperature at a rate of 10 °C / min to Raise it to 225 °C, ...
Embodiment 3
[0034] Dissolve 0.725 g of sodium molybdate in 80 mL of deionized water, add 0.6851 g of thiourea, and then add 8.02 g of silicotungstic acid. After fully dissolving, move it to a 200 mL airtight hydrothermal reaction kettle, seal it, and react at 240°C for 12 hours Afterwards, the temperature was lowered to 50° C., and the lid of the reaction kettle was opened. Dissolve 0.2619 g of cobalt nitrate in 5 ml of deionized water, add 0.137 g of thiourea to dissolve, then add this solution into the previously opened reaction kettle, seal it, and react at 240 °C for 12 hours. After the reaction, a black precipitate is obtained. After washing with water and alcohol, dry in a vacuum oven at 60°C for 5 hours.
[0035]Add 12.5 g of n-dodecane, 5.4 g of p-ethylphenol and 0.03 g of the above-prepared catalyst in the autoclave, install the device, remove the air in the autoclave by displacement method, and then change from room temperature at a rate of 10 °C / min to The temperature was incr...
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