Catalyst for low-temperature catalytic complete oxidation of propane and preparation method thereof
A low-temperature catalytic and complete oxidation technology, applied in the direction of metal/metal oxide/metal hydroxide catalysts, physical/chemical process catalysts, chemical instruments and methods, etc., can solve problems such as poor stability and weak water resistance
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Embodiment 1
[0017] 5.82g Ni(NO 3 ) 2 ·6H 2 Dissolve O in 100ml of 10% ethanol solution, stir for 20 minutes, and prepare a mixed solution (hereinafter referred to as mother solution); under the condition of stirring at 45°C, use a constant flow pump to add the prepared mother solution drop by drop to 40ml2mol / L In sodium carbonate solution, stirred at constant temperature for 1 h; the precipitate was aged overnight, filtered, washed, dried at 60 °C for 12 h, and calcined at 350 °C for 4 h. The obtained catalyst was recorded as NiO;
Embodiment 2
[0019] 0.29g Co(NO 3 ) 2 ·6H 2 O and 5.53g Ni(NO 3 ) 2 ·6H 2 O was dissolved in 100ml of 10% ethanol solution, stirred for 20 minutes, and prepared into a mixed solution (hereinafter referred to as the mother solution); under the condition of stirring at 45°C, the prepared mother solution was added dropwise to 40ml 2mol / In a sodium carbonate solution of L, stir at constant temperature for 1 hour; precipitate overnight, filter, wash, dry at 60°C for 12 hours, and roast at 350°C for 4 hours. The obtained catalyst is recorded as NiO-Co(0.05);
Embodiment 3
[0021] 0.58g Co(NO 3 ) 2 ·6H 2 O and 5.23g Ni(NO 3 ) 2 ·6H 2 O was dissolved in 100ml of 10% ethanol solution, stirred for 20 minutes, and prepared into a mixed solution (hereinafter referred to as the mother solution); under the condition of stirring at 45°C, the prepared mother solution was added dropwise to 40ml 2mol / In a sodium carbonate solution of L, stir at constant temperature for 1 hour; precipitate overnight, filter, wash, dry at 60°C for 12 hours, and roast at 350°C for 4 hours. The obtained catalyst is recorded as NiO-Co(0.1);
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