Method for preparing attapulgite loading with nano cerium oxide
A technology of nano-cerium oxide and attapulgite, which is applied in the field of preparation of attapulgite-loaded nano-cerium oxide, to achieve the effects of good dispersion, low price, and fewer types of chemical raw materials
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Embodiment 1
[0013] Embodiment 1: After the natural attapulgite clay is pretreated with hydrochloric acid, a slurry with a solid content of about 10% is made. Take 10 g of the slurry and add it to 90 ml of deionized water so that the concentration of the attapulgite is 10 g / l , then add Ce(NO 3 ) 3 0.005mol, making Ce 3+ The concentration relative to the solution is 0.05mol / l, stir the solution evenly with an electric stirrer, and then add the relative Ce 3+ About 0.025 mol of HMT with 5 times the molar amount was stirred evenly, and the mixed solution was stirred by an electric stirrer and placed in a water bath at 75°C for 2 hours, then taken out and cooled to room temperature, filtered, washed with deionized water for 3 times, and then Washed with absolute ethanol for 3 times, dried at 80°C, calcined at 200°C for 2h, and fully ground the sample after cooling to obtain attapulgite powder loaded with nano-cerium oxide. The X-ray powder diffraction experiment was carried out on the obt...
Embodiment 2
[0016] Embodiment 2: Change Ce(NO 3 ) 3 The addition amount of HMT was 0.01mol, the addition amount of HMT was 0.02mol, the concentration of the attapulgite was controlled at 2g / l, reacted in a water bath at 70°C for 3h, and then calcined at 300°C for 5h, and the subsequent detection was as in Example 1.
Embodiment 3
[0017] Embodiment 3: change Ce(NO 3 ) 3 The addition amount of HMT was 0.05mol, the addition amount of HMT was 1.0mol, the concentration of the attapulgite was controlled at 50g / l, reacted in a water bath at 100°C for 1h, and then calcined at 700°C for 5h, and the subsequent detection was as in Example 1.
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