Preparing method of catalyst carrier and application of preparing method in hydrogen chloride catalytic oxidation
A technology of catalyst carrier and hydrogen chloride, which is applied in the direction of catalyst carrier, chlorine/hydrogen chloride, preparation with chloride, etc. It can solve the problems that few researches pay attention to the influence of catalyst carrier’s catalytic performance, achieve strong tolerance, not easy to lose, Effect of Catalytic Performance Improvement
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Embodiment 1
[0045] Weigh 60g of α-aluminum oxide, 110g of titanium dioxide and 30g of starch, mix well, add 100ml of dilute nitric acid of 2mol / L to it and stir evenly, place the resulting mixture in an extruder to form strips with a diameter of 5mm, place in Dry in an oven at 100°C for 5 hours, then place in a muffle furnace at 500°C for 6 hours, and cool naturally to room temperature to obtain 180g of carrier precursor; weigh 9g of potassium silicate and dissolve it in 150ml of water to make a solution, and spray the resulting solution on The carrier precursor obtained in the previous step was dried in an oven at 110° C. for 2 hours, and then calcined at 350° C. for 2 hours to obtain catalyst carrier A.
Embodiment 2
[0047] Weigh 100g of α-aluminum oxide, 90g of titanium dioxide and 10g of carbon powder, mix well, add 60ml of 2mol / L dilute nitric acid therein and stir evenly, place the gained mixture in an extruder to form strips with a diameter of 3mm, place Dry in an oven at 100°C for 5 hours, then place in a muffle furnace at 550°C for 4 hours, and cool naturally to room temperature to obtain 190g of carrier precursor; weigh 0.38g of ammonium silicate and dissolve it in 100ml of water to make a solution, and the obtained solution Spray on the carrier precursor obtained in the previous step, dry in an oven at 110° C. for 2 hours, and then bake at 400° C. for 3 hours to obtain catalyst carrier B.
Embodiment 3
[0049] Weigh 80g of α-aluminum oxide, 100g of titanium dioxide and 20g of flocking, mix them evenly, add 80ml of 2mol / L dilute nitric acid and stir them evenly, place the resulting mixture in an extruder to form strips with a diameter of 3mm, place Dry in an oven at 100°C for 5 hours, then place in a muffle furnace at 600°C for 2 hours, and cool naturally to room temperature to obtain 190g of carrier precursor; weigh 19g of tetraethyl orthosilicate and dissolve it in 100ml of water to make a solution, and the obtained The solution was sprayed on the carrier precursor obtained in the previous step, dried in an oven at 110° C. for 2 hours, and then calcined at 300° C. for 4 hours to obtain catalyst carrier C.
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