Preparation method of catalyst for preparing anthraquinone through oxidation of anthracene
A catalyst, anthraquinone technology, used in the preparation of quinone oxide, physical/chemical process catalysts, molecular sieve catalysts, etc., can solve the problems of less mesopores and high cost
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Embodiment 1
[0023] Step 1, treating Y-type molecular sieve CaY3 in glycerol at 150°C for 5 hours to obtain a Y-type molecular sieve glycerin mixture, wherein the mass ratio of Y-type molecular sieve to glycerol is 1:2;
[0024] Step 2, prepare transition metal salt solution: Weigh 10mL of manganese nitrate solution and 20g of aluminum oxide, dissolve in 1ml of deionized water, the resulting solution is transition metal salt solution, wherein the concentration of manganese nitrate solution is 50% by mass fraction %;
[0025] Step 3. Mix the Y molecular sieve glycerin mixture obtained in step 1 with the inorganic directing agent and the transition metal salt solution obtained in step 2 at 30°C for 2 hours, and then treat it in a closed reaction kettle at 80°C for 20 hours, wherein the Y-type The mass ratio of molecular sieve to inorganic directing agent is 1:0.1;
[0026] Step 4. Dry the product obtained in Step 3 at 60°C at normal temperature and pressure, and then roast at 500°C for 10 h...
Embodiment 2
[0028] Step 1. Treating Y-type molecular sieve NaY in glycerol at 220°C for 0.5h to obtain a Y-type molecular sieve glycerin mixture, wherein the mass ratio of Y-type molecular sieve to glycerin is 1:15;
[0029] Step 2, prepare transition metal salt solution: weigh manganese nitrate solution 100mL and aluminum oxide 80g, magnesium nitrate 10g are dissolved in the deionized water of 20ml, gained solution is transition metal salt solution, wherein said manganese nitrate solution concentration is Quality score 50%;
[0030] Step 3. Mix the Y molecular sieve glycerol mixture obtained in step 1 with the inorganic directing agent and the transition metal salt solution obtained in step 2 at 80°C for 0.5h, and then treat it in a closed reactor at 120°C for 2h, wherein the Y The mass ratio of type molecular sieve to inorganic directing agent is 1:1;
[0031] Step 4. Dry the product obtained in Step 3 at 120°C under normal temperature and pressure, and then roast at 1000°C for 1 hour ...
Embodiment 3
[0034] Step 1. Treating Y-type molecular sieve NaY in glycerol at 200°C for 3 hours to obtain a Y-type molecular sieve glycerin mixture, wherein the mass ratio of Y-type molecular sieve to glycerin is 1:10;
[0035] Step 2, prepare transition metal salt solution: weigh manganese nitrate solution 80mL and aluminum oxide 65g, magnesium nitrate 8g are dissolved in the deionized water of 15ml, gained solution is transition metal salt solution, wherein said manganese nitrate solution concentration is Quality score 50%;
[0036] Step 3. Mix the Y molecular sieve glycerin mixture obtained in step 1 with the inorganic directing agent and the transition metal salt solution obtained in step 2 for 1.5 hours at 55°C, and then treat it in a closed reaction kettle at 100°C for 10 hours, wherein the Y The mass ratio of type molecular sieve to inorganic directing agent is 1:0.8;
[0037] Step 4. Dry the product obtained in Step 3 at 100°C under normal temperature and pressure, and then roast...
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