Catalyst for preparing aviation kerosene from castor oil and preparation method thereof
A technology of aviation kerosene and catalyst, applied in molecular sieve catalysts, chemical instruments and methods, physical/chemical process catalysts, etc., to achieve the effects of improving stability, increasing conversion rate, and reducing particle size
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Embodiment 1
[0045] Embodiment 1, the preparation of hydrodeoxygenation catalyst, comprises the following steps:
[0046] (1) Pretreatment of the carrier: add 10g of MCM-41 to 100g of 5% ethanol solution of 3-aminopropyltriethoxysilane, stir at 60°C for 36h, and then filter the resulting mixture with suction , separated, and then dried the obtained filter cake in an air atmosphere at 120°C, then cooled to room temperature, then added the obtained sample to 100g of an aqueous solution with a mass fraction of 10% citric acid, and stirred at 90°C for 36h, Then the obtained mixture was suction filtered and separated, and then the obtained filter cake was dried at 120°C to obtain sample A;
[0047] (2) Loading of additives: Dissolve 0.47g of ferric nitrate into 45g of deionized water under stirring conditions at 60°C, and stir thoroughly to obtain solution B; then add solution B to 7.0g of sample A, stir for 24h, and then The obtained mixture was dried in an air atmosphere at 120°C, and then c...
Embodiment 2
[0049] Embodiment 2, the preparation of hydrodeoxygenation catalyst, comprises the following steps:
[0050] (1) Pretreatment of the carrier: add 10g of MCM-41 to 100g of 5% ethanol solution of 3-aminopropyltriethoxysilane, stir at 60°C for 36h, and then filter the resulting mixture with suction , separated, and then dried the obtained filter cake in an air atmosphere at 120°C, then cooled to room temperature, then added the obtained sample to 100g of an aqueous solution with a mass fraction of 10% citric acid, and stirred at 90°C for 36h, Then the obtained mixture was suction filtered and separated, and then the obtained filter cake was dried at 120°C to obtain sample A;
[0051] (2) Loading of additives: Dissolve 1.12g of ferric nitrate into 45g of deionized water under stirring at 60°C, and stir thoroughly to obtain solution B; then add solution B to 7.5g of sample A, stir for 24h, and then The obtained mixture was dried in an air atmosphere at 120°C, and then calcined in ...
Embodiment 3
[0053] Embodiment 3, as the preparation of the supported metal phosphide catalyst of hydrodeoxygenation catalyst, comprises the following steps:
[0054] (1) Pretreatment of the carrier: add 10g of SBA-15 to 100g of 5% ethanol solution of 3-aminopropyltriethoxysilane, stir at 50°C for 36h, and then suction filter the resulting mixture , separated, and then dried the obtained filter cake in an air atmosphere at 120°C, then cooled to room temperature, then added the obtained sample to 100g of an aqueous solution with a mass fraction of 10% citric acid, and stirred at 90°C for 36h, Then the obtained mixture was suction filtered and separated, and then the obtained filter cake was dried at 120°C to obtain sample A;
[0055] (2) Loading of additives: Dissolve 0.86g of ferric nitrate into 45g of deionized water under stirring conditions at 60°C, and stir thoroughly to obtain solution B; then add solution B to 7.5g of sample A, stir for 24h, and then The obtained mixture was dried i...
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