Method for adsorbing carbon dioxide in air
A carbon dioxide and air technology, applied in the field of air purification, can solve problems such as suffocation, organ damage, body poisoning, etc., and achieve the effect of wide distribution, high carbon dioxide adsorption capacity, and simple method
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Embodiment 1
[0040] A method for adsorbing carbon dioxide in air comprises the following steps:
[0041] S1, preparation of carbon molecular sieve
[0042] Crush the sunflower seeds and sieve out particles with a diameter of 0.6 mm; soak the sieved particles in the adsorbent for 48 hours, and filter out the samples; put the samples in N 2 In the atmosphere, the temperature is 500°C, N 2 Flow rate is 100cm 3 carbonization for 1 hour under the condition of carbonization / min, washed with distilled water and 0.1mol / L hydrochloric acid successively, and then dried at 105°C for 9 hours; 4 Under the atmosphere, the temperature is 750°C, the heating rate is 10°C / min, CH 4 Flow rate is 100cm 3 / min, the sample was activated for 30 minutes to obtain carbon molecular sieves. In this example, the adsorbent includes phosphoric acid, zinc chloride, aluminum oxide, sodium oxide, calcium oxide and nickel oxide, and the preparation process is to weigh the Phosphoric acid, zinc chloride, aluminum oxid...
Embodiment 2
[0046] A method for adsorbing carbon dioxide in air comprises the following steps:
[0047] S1, preparation of carbon molecular sieve
[0048] Crush the sunflower seeds and sieve out particles with a diameter of 0.8 mm; put the sieved particles into the adsorbent and soak for 72 hours, and filter out the sample; put the sample in N 2 In the atmosphere, the temperature is 700°C, N 2 Flow rate is 100cm 3 carbonization under the condition of 3h / min, washed with distilled water and 0.1mol / L hydrochloric acid successively, and then dried at 105°C for 12h; 4 Under the atmosphere, the temperature is 850°C, the heating rate is 10°C / min, CH 4 Flow rate is 100cm 3 / min, the sample was activated for 30 minutes to obtain carbon molecular sieves. In this example, the adsorbent includes phosphoric acid, zinc chloride, aluminum oxide, sodium oxide, calcium oxide and nickel oxide, and the preparation process is to weigh the Phosphoric acid, zinc chloride, aluminum oxide, sodium oxide, c...
Embodiment 3
[0052] A method for adsorbing carbon dioxide in air comprises the following steps:
[0053] S1, preparation of carbon molecular sieve
[0054] Crush the sunflower seeds and sieve out particles with a diameter of 0.7 mm; put the sieved particles into the adsorbent and soak for 60 hours, and filter out the sample; put the sample in N 2 In the atmosphere, the temperature is 600°C, N 2 Flow rate is 100cm 3 carbonization under the condition of 2h / min, washed with distilled water and 0.1mol / L hydrochloric acid successively, and then dried at 105°C for 10.5h; 4 Under the atmosphere, the temperature is 800°C, the heating rate is 10°C / min, CH 4 Flow rate is 100cm 3 / min, the sample was activated for 30 minutes to obtain carbon molecular sieves. In this example, the adsorbent includes phosphoric acid, zinc chloride, aluminum oxide, sodium oxide, calcium oxide and nickel oxide, and the preparation process is to weigh the Phosphoric acid, zinc chloride, aluminum oxide, sodium oxide,...
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