Catalyst for treating organic waste gas and preparation method thereof
A technology of organic waste gas and catalyst, which is applied in the direction of catalyst activation/preparation, physical/chemical process catalysts, chemical instruments and methods, etc. It can solve the problems of high price, scarce resources, poor resistance to toxicity, etc., and achieve low cost and active temperature window Wide, strong water vapor resistance effect
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Embodiment 1
[0030] (1) Preparation and modification of self-made carrier
[0031] Take 28g of silicon oxide, 40g of aluminum oxide, 30g of magnesium oxide and 2g of iron oxide and mix evenly. The mixture is roasted at 1300°C and the holding time is controlled at 6h; the self-made carrier is modified with 5wt% oxalic acid solution, boiled on the electric furnace and kept for 2h, and dried The temperature is 80°C, the drying time is 2h; the calcination temperature is 400°C, the calcination time is 6h, and the modified carrier is obtained after calcination;
[0032] (2) Preparation of active component impregnation solution
[0033] Take 64.7g solid CuC 2 o 4 .1 / 2H 2 O, 71.6 g solid MnC 2 o 4 .2H 2 O and 181.7 g of distilled water were prepared to make Cu 2+ and Mn 2+ The mixed solution with a molar ratio of 1:1 was mixed with titanium gel containing 12.0 g of titanium dioxide to prepare an impregnation solution with a molar ratio of copper oxide, manganese oxide and titanium oxide of...
Embodiment 2
[0039] (1) Preparation and modification of self-made carrier
[0040] Take 50g of silica, 35g of alumina, 14g of magnesia and 1g of iron oxide and mix evenly. The mixture is roasted at 1350°C, and the holding time is controlled at 5h; the self-made carrier is modified with 10wt% oxalic acid solution, boiled on the electric furnace and kept for 2h; dry The temperature is 100°C, and the drying time is 1h; the calcination temperature is 500°C, and the calcination time is 5h, and the modified carrier is obtained through calcination.
[0041] (2) Preparation of active component impregnation solution
[0042] Take 40.0g solid CuC 2 o 4 .1 / 2H 2 O, 89.5 g solid MnC 2 o 4 .2H 2 O and 192.5 g of distilled water to prepare Cu 2+ and Mn 2+ The mixed solution with a molar ratio of 1:2 was mixed with titanium gel containing 11.3g of titanium dioxide to prepare an impregnation solution with a molar ratio of copper oxide, manganese oxide and titanium oxide of 1:2:0.75.
[0043] (3) L...
Embodiment 3
[0048] (1) Preparation and modification of self-made carrier
[0049] Take 55g of silicon oxide, 29.5g of aluminum oxide, 15g of magnesium oxide and 0.5g of iron oxide and mix evenly. The mixture is roasted at 1350°C, and the holding time is controlled at 6h; the self-made carrier is modified with 10wt% oxalic acid solution, boiled on the electric furnace and kept for 2h ; The drying temperature is 100°C, and the drying time is 1h; the calcination temperature is 500°C, and the calcination time is 5h, and the modified carrier is obtained through calcination.
[0050] (2) Preparation of active component impregnation solution
[0051] Take 25.3g solid CuC 2 o 4 .1 / 2H 2 O, 114.6 g solid MnC 2 o 4 .2H 2 O and 207.8 g of distilled water to prepare Cu 2+ and Mn 2+ The mixed solution with a molar ratio of 1:4 was mixed with titanium gel containing 9.6g of titanium dioxide to prepare an impregnation solution with a molar ratio of copper oxide, manganese oxide and titanium oxide...
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