A kind of preparation method of activated carbon functionalized tungsten oxide
A technology of tungsten oxide and activated carbon, applied in chemical instruments and methods, physical/chemical process catalysts, metal/metal oxide/metal hydroxide catalysts, etc., to achieve high-efficiency removal, low cost, and simple synthesis methods
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Embodiment 1
[0028]Soak 30g of dried soybeans in 50ml of cold water for 3 hours, grind them finely in a soymilk machine, and filter to obtain the soymilk stock solution, then take 10ml of the soymilk stock solution and 10ml of 4mol·l -1 Mix the HCl solutions, heat in a water bath at 30°C for 1 hour, then slowly add 4g Na 2 WO 4 2H 2 O solid dissolves in 10ml of water to form Na 2 WO 4 solution, the mixed solution becomes a mixture of yellow tungstic acid and soy milk, and the yellow solution continues to be stirred for 10 minutes. Transfer the above yellow mixed solution to a reaction kettle lined with tetrafluoroethylene. After hydrothermal reaction at 90°C for 20 hours, filter with suction, wash with distilled water twice, and dry at 50°C to obtain a dark blue solid. The dark blue solid was placed in a muffle furnace filled with inert gas, calcined at 400 °C at a heating rate of 2 °C / min for 3 hours, and then naturally cooled to room temperature to obtain a black activated carbon-fun...
Embodiment 2
[0030] Soak 30g of dry soybeans in 100ml of cold water for 5 hours, grind them finely in a soymilk machine, and filter to obtain the soymilk stock solution, then take 30ml of the soymilk stock solution and 20ml of 6mol·l -1 The HCl solution was mixed, heated in a water bath at 50°C for 3 hours, and slowly added with 4gNa 2 WO 4 2H 2 O solid dissolves in 20ml of water to form Na 2 WO 4 solution, the mixed solution becomes a mixture of yellow tungstic acid and soybean milk, and the yellow solution is continuously stirred for 30 minutes. Transfer the above yellow mixed solution to a reaction kettle lined with tetrafluoroethylene. After hydrothermal reaction at 130°C for 36 hours, filter with suction, wash with distilled water 3 times, and dry at 80°C to obtain a dark blue solid. Put the dark blue solid in a muffle furnace filled with inert gas, heat up to 800°C at a rate of 4°C / min for calcination for 6 hours, and then cool naturally to room temperature to obtain a black acti...
Embodiment 3
[0032] Soak 40g of dry soybeans in 50ml of cold water for 3 hours, grind them finely in a soymilk machine and filter to obtain the soymilk stock solution, then take 10ml of the soymilk stock solution and 10ml of 4mol·l -1 Mix the HCl solutions, heat in a water bath at 30°C for 1 hour, then slowly add 6g Na 2 WO 4 2H 2 O solid dissolves in 10ml of water to form Na 2 WO 4 solution, the mixed solution becomes a mixture of yellow tungstic acid and soy milk, and the yellow solution continues to be stirred for 10 minutes. Transfer the above yellow mixed solution to a reaction kettle lined with tetrafluoroethylene. After hydrothermal reaction at 90°C for 20 hours, filter with suction, wash with distilled water twice, and dry at 50°C to obtain a dark blue solid. The dark blue solid was placed in a muffle furnace filled with inert gas, calcined at 400 °C at a heating rate of 2 °C / min for 3 hours, and then naturally cooled to room temperature to obtain a black activated carbon-funct...
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