Nano combustion catalyst and preparation method thereof
A combustion catalyst, nanotechnology, applied in catalyst activation/preparation, chemical instruments and methods, chemical elements of heterogeneous catalysts, etc. It is beneficial to large-scale production, high catalytic combustion efficiency, and simple preparation method.
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Embodiment 1
[0027] The raw materials for preparation include 45% of aluminum oxide, 30% of silicon dioxide, 5% of nanometer cerium oxide, 15% of nanometer iron oxide and 5% of nanometer manganese oxide.
[0028] Preparation:
[0029] a) Mixing 45% aluminum oxide, 30% silicon dioxide, 5% nano-cerium oxide, 15% nano-iron oxide and 5% manganese oxide with water according to weight percentage to obtain raw materials for preparation;
[0030] b), the prepared raw materials were put into a ball mill for ball milling, and the ball milling was carried out for 5 hours;
[0031] c), the prepared raw material after ball milling is prepared into a spherical shape through a molding process, with a diameter between 5-10mm;
[0032] d), after being put into a roasting furnace for roasting, take it out and cool to room temperature.
[0033] The calcination temperature is 300° C., and the calcination time is 1 hour under the air atmosphere, and the finally formed oxide is a nano-combustion catalyst.
Embodiment 2
[0035] The raw materials for preparation include 50% aluminum oxide, 23% silicon dioxide, 3% nano cerium oxide, 17% nano iron oxide and 7% nano manganese oxide.
[0036] Preparation:
[0037] a) mixing 50% aluminum oxide, 23% silicon dioxide, 3% nano-cerium oxide, 17% nano-iron oxide and 7% nano-manganese oxide with water according to weight percentage to obtain raw materials for preparation;
[0038] b), the prepared raw materials are put into a ball mill for ball milling, and the ball milling is for 10 hours;
[0039] c), the prepared raw material after ball milling is prepared into a spherical shape through a molding process, with a diameter between 5-10mm;
[0040] d), after being put into a roasting furnace for roasting, take it out and cool to room temperature.
[0041] The calcination temperature is 280° C., the calcination time is 2 hours under air atmosphere, and the finally formed oxide is a nano-combustion catalyst.
Embodiment 3
[0043] The raw materials for preparation include 40% of aluminum oxide, 30% of silicon dioxide, 1% of nanometer cerium oxide, 25% of nanometer iron oxide and 4% of nanometer manganese oxide.
[0044] Preparation:
[0045] a) Mixing 40% alumina, 30% silicon dioxide, 1% nano-cerium oxide, 25% nano-iron oxide and 4% nano-manganese oxide with water according to weight percentage to obtain raw materials for preparation;
[0046] b), the prepared raw materials were put into a ball mill for ball milling, and the ball milling was carried out for 3 hours;
[0047] c), preparing the raw material after ball milling into a cylinder through a molding process, with a diameter of 3-5mm and a length of 5-10mm;
[0048] d), after being put into a roasting furnace for roasting, take it out and cool to room temperature.
[0049] The calcination temperature is 250° C., the calcination time is 0.5 hour under air atmosphere, and the finally formed oxide is a nano-combustion catalyst.
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