Application of Cu catalyst in dehydrogenation reaction of alkane
A kind of alkane dehydrogenation and catalyst technology, applied in physical/chemical process catalysts, metal/metal oxide/metal hydroxide catalysts, organic chemistry, etc., can solve the problem of selectivity of inactive olefins, achieve mild preparation conditions, The effect of simple process
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Embodiment 1
[0020] Example 1. Add 1.71mL of deionized water to 0.19mL of copper nitrate trihydrate solution with a concentration of 20mg / mL and mix thoroughly; add 1g of P25 powder and continue stirring until uniform; the above mixture is transferred to a 45°C oven and heated continuously until After all the liquid was evaporated to dryness, it was heated up to 60°C and continued to dry for 12h; after grinding, it was roasted in the air at 400°C for 2h, and the Cu / P25 catalyst with a theoretical content of Cu of 0.1% was obtained after grinding (referred to as 0.1%Cu / TiO 2 ).
Embodiment 2
[0021] Example 2. Add 0.95mL deionized water to 0.95mL copper nitrate trihydrate solution with a concentration of 20mg / mL and mix thoroughly; add 1g of P25 powder and continue to stir until uniform; the above mixture is transferred to a 45°C oven and heated continuously until After all the liquid was evaporated to dryness, it was heated up to 60°C and continued to dry for 12h; after grinding, it was roasted in the air at 400°C for 2h, and the Cu / P25 catalyst with a theoretical content of Cu obtained after grinding was 0.5% (referred to as 0.5%Cu / TiO 2 ).
Embodiment 3
[0022] Example 3. Add 0 mL of deionized water to 1.9 mL of copper nitrate trihydrate solution with a concentration of 20 mg / mL and mix thoroughly; add 1 g of P25 powder and continue to stir until uniform; transfer the above mixture to a 45 ° C oven and continue heating until liquid After all evaporated to dryness, the temperature was raised to 60°C, and the drying was continued for 12h; after grinding, it was roasted in the air at 400°C for 2h, and the Cu / P25 catalyst (referred to as 1%Cu / TiO 2 ).
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