one for co 2 Preparation method and application of adsorbed zif-8/pomelo peel composite material
A ZIF-8, composite material technology, applied in separation methods, chemical instruments and methods, dispersed particle separation, etc., can solve problems such as toxicity, equipment corrosion, energy consumption, etc., achieve good adsorption performance, protect the environment, and reduce global temperature. Effect
Active Publication Date: 2022-03-25
CHANGCHUN UNIV OF TECH
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Problems solved by technology
[0005] The purpose of the invention is to solve the problems of global warming, traditional chemical adsorption energy consumption, equipment corrosion and toxicity, so as to reduce CO 2 purpose of pollution
Method used
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Embodiment 1
[0024] Embodiment 1 includes the following steps:
[0025] 1. The peel of grapefruit consists of two parts; one part is the outer skin, the pomelo peel with oil glands, and the other part is the white spongy mesocarp. First, peel off the exocarp with a knife, and cut the white spongy mesocarp of the grapefruit peel mesocarp into cubes, dry it in an oven at 50-70° C. for 12 hours, and grind it into powder. Place 10-15g of the ground powder in 400ml of 1mol / L NaOH solution, heat at 80°C for 3 hours, wash with deionized water until the pH is 7, and freeze-dry after suction filtration;
[0026] 2. Get 10-15g of the above-mentioned dried powder and place it in 400ml of 1mol / L nitric acid solution, heat at 80°C for 2 hours; and wash with deionized water to a pH of 7, and freeze-dry after suction filtration;
[0027] 3. Place the functionalized grapefruit peel in 0.29376g of zinc nitrate 10ml methanol solution, and soak for 12 hours after ultrasonication for 30 minutes;
[0028] 4....
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one for CO 2 The preparation method and application of the adsorbed ZIF-8 / pomelo peel composite material; the method is to treat the ground pomelo peel (Pp) powder with sodium hydroxide; treat the hydrolyzed pomelo peel powder with strong oxidation of nitric acid and freeze-dry; Soak carboxy-functionalized pomelo peel (FPp) powder in a solution containing zinc ions; pour the above solution into a solution containing 2-methylimidazole, and heat it in an oven for reaction. After a period of time, the loaded MOF can be obtained Grapefruit peel film or MOF-loaded grapefruit peel powder. The raw material waste of the present invention has low utilization cost and wide sources, simple operation, non-toxic, harmless and friendly to the environment, and has good adsorption performance; the prepared waste is used for CO 2 Absorption of CO by an adsorbed ZIF‑8 / yuzu peel composite 2 The adsorption capacity is high and the adsorption speed is remarkable.
Description
technical field [0001] The present invention relates to a method for CO 2 Preparation method and application of adsorbed ZIF-8 / pomelo peel composite material. Background technique [0002] With the development of science and technology and the improvement of people's living standards, the resulting environmental pollution has also attracted the attention of the majority of people. Among all kinds of pollution, the harm of greenhouse gases and the seriousness of prevention and control are well known. The greenhouse effect is becoming more and more serious in the world. Greenhouse gases refer to some gases in the atmosphere that can absorb the solar radiation reflected by the ground and re-emit the radiation, such as water vapor. , carbon dioxide, most refrigerants, etc. Their role is to warm the Earth's surface, similar to how a greenhouse traps solar radiation and heats the air inside a greenhouse. The effect of this greenhouse gas making the earth warmer is called the "g...
Claims
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IPC IPC(8): B01J20/24B01J20/30B01D53/02
CPCY02C20/40
Inventor 盖方圆朱冬莹敖玉辉赵振波
Owner CHANGCHUN UNIV OF TECH