CN111389369A - Synthesis method of metal organic framework mesoporous material and its application in CO2Application in adsorption - Google Patents

Synthesis method of metal organic framework mesoporous material and its application in CO2Application in adsorption Download PDF

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CN111389369A
CN111389369A CN201910337685.1A CN201910337685A CN111389369A CN 111389369 A CN111389369 A CN 111389369A CN 201910337685 A CN201910337685 A CN 201910337685A CN 111389369 A CN111389369 A CN 111389369A
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organic framework
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zif
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钟美华
谢宇
曾德栋
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Nanchang Hangkong University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/223Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material containing metals, e.g. organo-metallic compounds, coordination complexes
    • B01J20/226Coordination polymers, e.g. metal-organic frameworks [MOF], zeolitic imidazolate frameworks [ZIF]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/50Carbon oxides
    • B01D2257/504Carbon dioxide
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
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    • Y02C20/40Capture or disposal of greenhouse gases of CO2

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Abstract

The invention relates to a method for synthesizing a metal organic framework mesoporous material and application thereof in CO2Application in adsorption. Zinc acetate dihydrate, 2-methylimidazole, polyvinylpyrrolidone and absolute ethyl alcohol are used as main raw materials, a Zn-ZIF zeolite imidazole material is synthesized by a solvothermal synthesis method, and then the mesoporous Zn-ZIF material is prepared by calcination. Research on CO by using metal organic framework mesoporous material Zn-ZIF2Adsorption properties of gases by testing their CO at different temperatures2The adsorption performance shows that the prepared metal organic framework mesoporous material Zn-ZIF adsorbs CO at room temperature2The maximum content can be more than 123%.

Description

Synthesis method of metal organic framework mesoporous material and its application in CO2Application in adsorption
Technical Field
The invention relates to the technical field of preparation of photocatalytic materials, in particular to synthesis of a metal organic framework mesoporous material and CO2Study of adsorption.
Background
The human beings breathe air from the ground of the guargy and enjoy the oxygen given to the earth's living bodies by the nature. The atmosphere is related to each organic life body, so that people can not eat food for seven days and drink water for three days, but can not leave the air all the time, and the air is closely related to the life of people, so that all the life bodies can grow healthily. However, since the introduction of mankind into the industrial civilization era, the industry has been developed by plunging on natural resources and burning a large amount of fossil fuels. Meanwhile, the industrial waste gas discharged into the atmosphere, such as carbon dioxide greenhouse gas, directly causes greenhouse effect to the earth environment, and causes extreme climate change such as glacier melting, sea level rising, land desertification and the like. In 2013, month 5, most of the world health organizations have announced that carbon dioxide concentrations have reached a critical level of 400 ppm. This forces all countries to take mandatory measures to reduce carbon dioxide emissions. The method is also an effective measure for reducing the greenhouse effect by capturing excessive carbon dioxide in the air while reducing the emission. The current carbon dioxide separation methods mainly include a solvent absorption method, an adsorption method, a membrane separation method and a combination of these methods. Solvents mainly used for adsorbing carbon dioxide include: alkanolamines which are mercaptans as oxidation control agents, methyl diethanolamine, dihydrocarbyl carbonates, dimethyl ethers of polyethylene glycols, mono-silyl-alkylamines, n-propanol, morpholine derivatives and the like containing alkyl piperazines. The chemical absorption solvent has a good absorption effect on gas, but is difficult to popularize, because the solvent needs to be heated during regeneration, the energy consumption is high, and the defects of air pollution, easy oxidative degradation, serious equipment corrosivity and the like exist. Most of membranes for gas separation are made of acetate fibers, polysulfone, polyamide, etc., and the membranes themselves or other materials of the membrane module have poor heat resistance, and the upper limit temperature thereof is only 150 ℃. Research on low-cost raw materials and preparation of high-performance carbon dioxide adsorbing materials, such as: silica, carbon, zeolite, etc. can be used in a way that not only can reduce the cost, but also can meet the practical conditions, and can be reused.
Among various methods for capturing carbon dioxide, the adsorption method has advantages of low cost, simple operation process, high energy utilization efficiency, and the like, and is considered to be an optimal method for capturing industrial carbon in the future. The adsorption method has advantages of low running cost, strong reliability, etc., is popular with people, and is widely applied to various applications. The adsorption method is further classified into a temperature swing adsorption method, a pressure swing adsorption method and a vacuum adsorption method. However, the traditional methods have high energy consumption and complex operation, and greatly limit the practical application of the methods.
The metal organic framework Materials (MOFs) are porous materials formed by the mutual complexation of metal ions and organic ligands, have regular framework structures, uniform pore channels and extremely large specific surface areas, and have wide application prospects in the fields of gas storage and separation, catalysis and the like at present. The ZIFs material has a regular porous structure as a molecular sieve material, and the pore size of the ZIFs material can be predicted and regulated through a synthesis process, so that the ZIFs material has a good prospect and application value in the fields of gas adsorption and separation due to the wide and adjustable pore size range.
The atmosphere is an indispensable substance for human environment and is also the guarantee of all lives. Since the industrial revolution of the sixties of the eighteenth century, mankind obtains energy by burning a large amount of fossil fuel, the amount of gas such as carbon dioxide discharged into the atmosphere is increasing day by day in the process, the temperature on the earth surface is increased rapidly due to the greenhouse effect, and extreme climate changes such as sea level rise and land desertification are caused by the greenhouse effect. In 2013, month 5, most of the world health organizations have announced that carbon dioxide concentrations have reached a critical level of 400 ppm. This forces all countries to take mandatory measures to reduce carbon dioxide emissions. The method is also an effective measure for reducing the greenhouse effect by capturing excessive carbon dioxide in the air while reducing the emission. The current carbon dioxide separation methods mainly include a solvent absorption method, an adsorption method, a membrane separation method and a combination of these methods. Solvents mainly used for adsorbing carbon dioxide include: alkanolamines which are mercaptans as oxidation control agents, methyl diethanolamine, dihydrocarbyl carbonates, dimethyl ethers of polyethylene glycols, mono-silyl-alkylamines, n-propanol, morpholine derivatives and the like containing alkyl piperazines. The chemical absorption solvent has a good absorption effect on gas, but is difficult to popularize, because the solvent needs to be heated during regeneration, the energy consumption is high, and the defects of air pollution, easy oxidative degradation, serious equipment corrosivity and the like exist. Most of membranes for gas separation are made of acetate fibers, polysulfone, polyamide, etc., and the membranes themselves or other materials of the membrane module have poor heat resistance, and the upper limit temperature thereof is only 150 ℃. Research on low-cost raw materials and preparation of high-performance carbon dioxide adsorbing materials, such as: silica, carbon, zeolite, etc. can be used in a way that not only can reduce the cost, but also can meet the practical conditions, and can be reused.
Among various methods for capturing carbon dioxide, the adsorption method has advantages of low cost, simple operation process, high energy utilization efficiency, and the like, and is considered to be an optimal method for capturing industrial carbon in the future. The adsorption method has advantages of low running cost, strong reliability, etc., is popular with people, and is widely applied to various applications. The adsorption method is further classified into a temperature swing adsorption method, a pressure swing adsorption method and a vacuum adsorption method. However, the traditional methods have high energy consumption and complex operation, and greatly limit the practical application of the methods.
The metal organic framework Materials (MOFs) are porous materials formed by the mutual complexation of metal ions and organic ligands, have regular framework structures, uniform pore channels and extremely large specific surface areas, and have wide application prospects in the fields of gas storage and separation, catalysis and the like at present. The ZIFs material has a regular porous structure as a molecular sieve material, and the pore size of the ZIFs material can be predicted and regulated through a synthesis process, so that the ZIFs material has a good prospect and application value in the fields of gas adsorption and separation due to the wide and adjustable pore size range.
Disclosure of Invention
The invention aims to provide a method for synthesizing a metal organic framework mesoporous material and application of the metal organic framework mesoporous material in CO2Application in adsorption.
The invention adopts the following technical scheme.
A synthetic method of a metal organic framework mesoporous material comprises the following steps:
(1) adding zinc acetate dihydrate and polyvinylpyrrolidone into analytically pure anhydrous ethanol solution, fully stirring and uniformly mixing;
(2) dissolving 2-methylimidazole in anhydrous ethanol solution, and magnetically stirring for 30min to completely dissolve the solution to obtain a colorless transparent solution;
(3) mixing the two solutions obtained in the steps (1) and (2), stirring for a period of time at 50-90 ℃ until the two solutions are fully mixed, then transferring the two solutions into a polytetrafluoroethylene stainless steel reaction kettle to fully react for 5 hours at 120 ℃, then naturally cooling to room temperature, separating out white solid substances, washing and drying to obtain the Zn-ZIF material;
(4) placing Zn-ZIF material in a tube furnace under inert gas nitrogen (N)2) Under the protection of the temperature range of 550 ℃ and 850 ℃, roasting for 5-9 hours in a tube furnace to obtain the metal framework mesoporous Zn-ZIF material.
Preferably, the mass fraction ratio of the zinc acetate dihydrate to the 2-methylimidazole is 20%, 40% and 60%, respectively.
Preferably, in step (3), the stirring time is 24 hours.
Preferably, in the step (3), the solvothermal reaction environment is a polytetrafluoroethylene stainless steel reaction kettle.
Preferably, in the step (3), the solvothermal reaction time is 3 to 6 hours.
Preferably, in the step (3), the solvothermal reaction temperature is 100-200 ℃.
Preferably, in the step (4), the temperature increase rate is 5 ℃/min.
Preferably, the metal organic framework mesoporous material Zn-ZIF is used for CO at normal temperature2Adsorption applications
The mesoporous Zn-ZIF material is a novel metal-organic framework material, is porous in shape, large in specific surface area, fixed and stable in particle size, and can be applied to adsorbing carbon dioxide in gas. Compared with the traditional adsorption material, the mesoporous Zn-ZIF material has high sensitive carbon dioxide adsorption efficiency and shows strong adsorption capacity under the normal temperature condition. The absolute zero carbon dioxide adsorption efficiency of the mesoporous Zn-ZIF material is 97 percent (the highest adsorption efficiency reaches more than 131 percent), and the adsorption efficiency is reported in 2019 literature (Wenji Zheng et al, ZIF-8nanoparticles with a porous size for enhanced CO)2capture of Pebax based MMMs) has carbon dioxide adsorption efficiency of about 99.70 percent, and the novel metal prepared by the method hasMachine frame material Zn-ZIF in CO2Is doubled in terms of adsorption performance.
The novel metal-organic framework material Zn-ZIF is synthesized in one step by a simple solvent reaction at normal temperature, the method is simple, the process is mature, and the synthesis can be completed in a common laboratory. The novel metal-organic framework material Zn-ZIF prepared by the invention has greatly improved carbon dioxide adsorption efficiency at room temperature, which is 2-3 times that reported by the latest literature. The preparation method has the advantages of simple process, mild conditions, easy reaction control and the like. Not only is the synthesis technology simple and easy to operate, but also the adsorption test is simulated at normal temperature, so the practical applicability is very strong. The metal organic framework mesoporous material Zn-ZIF material belongs to an organic metal mesoporous material, and has strong carbon dioxide adsorption capacity at normal temperature, so that the material has good application prospects in the aspects of environmental protection and greenhouse effect control, and has wide potential value in the aspect of heavy metal adsorption.
Drawings
FIG. 1 is a graph showing the adsorption of carbon dioxide at 20 ℃ for Zn-ZIF, a novel metal-organic framework material, before and after calcination, in different proportions.
FIG. 2 is a graph of the morphology of novel metal-organic framework Zn-ZIF tested by Scanning Electron Microscopy (SEM).
FIG. 3 is an enlarged view of the morphology of the metal-organic framework material Zn-ZIF.
Detailed Description
The invention is further illustrated by the following examples.
Example 1
Preparing a Zn-ZIF material:
(1) 0.875g of zinc acetate dihydrate and 0.6g of polyvinylpyrrolidone are weighed and added into 40ml of analytically pure anhydrous ethanol solution, and then the mixture is subjected to ultrasonic and full magnetic stirring and mixing;
(2) weighing 1.63g of 2-methylimidazole, dissolving into 40ml of analytically pure absolute ethanol solution, and magnetically stirring for 30min to completely dissolve the solution and ensure that the solution becomes clear and transparent;
(3) mixing the two solutions obtained in the steps (1) and (2), stirring for a period of time at 50-90 ℃ until the two solutions are fully mixed, then transferring the two solutions into a polytetrafluoroethylene stainless steel reaction kettle to fully react for 5 hours at 120 ℃, then naturally cooling to room temperature, separating out white solid substances, washing and drying to obtain the Zn-ZIF material;
from fig. 1 and experimental data of carbon dioxide adsorption efficiency, it is found that the carbon dioxide adsorption efficiency of the mesoporous Zn-ZIF material of the present example is about seventy two percent (in fig. 1).
TABLE 1 Zn-ZIF material CO at different proportions and conditions2Adsorption data
Figure RE-GDA0002121357930000051
Example 2
Preparing a Zn-ZIF material:
(1) weighing 1.75g of zinc acetate dihydrate and 0.6g of polyvinylpyrrolidone, adding into 40ml of analytical grade absolute ethanol solution, and then carrying out ultrasonic treatment and fully stirring and mixing uniformly;
(2) weighing 1.63g of 2-methylimidazole, dissolving in 40ml of anhydrous ethanol solution, and magnetically stirring for 30min to completely dissolve the solution and ensure that the solution becomes clear and transparent;
(3) mixing the two solutions obtained in the steps (1) and (2), stirring for a period of time at 50-90 ℃ until the two solutions are fully mixed, then transferring the two solutions into a polytetrafluoroethylene stainless steel reaction kettle to fully react for 5 hours at 120 ℃, then naturally cooling to room temperature, separating out white solid substances, washing and drying to obtain the Zn-ZIF material;
from fig. 1 and experimental data of carbon dioxide adsorption efficiency, it is found that the carbon dioxide adsorption efficiency of the mesoporous Zn-ZIF material of the present example is about ninety percent (in fig. 1).
Example 3
Preparing a Zn-ZIF material:
(1) 3.5g of zinc acetate dihydrate and 0.6g of polyvinylpyrrolidone are weighed and added into 40ml of anhydrous ethanol solution, and then the mixture is subjected to ultrasonic treatment and fully stirred and mixed uniformly;
(2) weighing 1.63g of 2-methylimidazole, dissolving in anhydrous ethanol solution, and magnetically stirring for 30min to completely dissolve the solution and ensure that the solution becomes clear and transparent;
(3) mixing the two solutions obtained in the steps (1) and (2), stirring for a period of time at 50-90 ℃ until the two solutions are fully mixed, then transferring the two solutions into a polytetrafluoroethylene stainless steel reaction kettle to fully react for 5 hours at 120 ℃, then naturally cooling to room temperature, separating out white solid substances, washing and drying to obtain the Zn-ZIF material;
from fig. 1 and experimental data of carbon dioxide adsorption efficiency, it is found that the carbon dioxide adsorption efficiency of the mesoporous Zn-ZIF material of the present embodiment is about one hundred thirty-six percent (in fig. 1).
Example 4
Preparing a Zn-ZIF material:
(1) 0.875g of zinc acetate dihydrate and 0.6g of polyvinylpyrrolidone are weighed and added into 40ml of anhydrous ethanol solution, and the mixture is fully stirred and uniformly mixed;
(2) weighing 1.63g of 2-methylimidazole, dissolving in 40ml of anhydrous ethanol solution, and magnetically stirring for 30min to completely dissolve the solution and ensure that the solution becomes clear and transparent;
(3) mixing the two solutions obtained in the steps (1) and (2), stirring for a period of time at 50-90 ℃ until the two solutions are fully mixed, then transferring the two solutions into a polytetrafluoroethylene stainless steel reaction kettle to fully react for 5 hours at 120 ℃, then naturally cooling to room temperature, separating out white solid substances, washing and drying to obtain the Zn-ZIF material;
preparing a metal-organic framework material Zn-ZIF material:
(4) placing Zn-ZIF material in a tube furnace under inert gas nitrogen (N)2) Under protection, the temperature range is 550-.
From fig. 1 and experimental data of carbon dioxide adsorption efficiency, it is found that the carbon dioxide adsorption efficiency of the mesoporous Zn-ZIF material of the present example is about seventy percent (in fig. 1).
Example 5
Preparing a Zn-ZIF material:
(1) weighing 1.75g of zinc acetate dihydrate and 0.6g of polyvinylpyrrolidone, adding into 40ml of anhydrous ethanol solution, and then carrying out ultrasonic treatment and fully stirring and mixing uniformly;
(2) weighing 1.63g of 2-methylimidazole, dissolving into 40ml of absolute ethanol solution, magnetically stirring for 30min to completely dissolve the solution, and clarifying and transparent the solution;
(3) mixing the two solutions obtained in the steps (1) and (2), stirring for a period of time at 50-90 ℃ until the two solutions are fully mixed, then transferring the two solutions into a polytetrafluoroethylene stainless steel reaction kettle to fully react for 5 hours at 120 ℃, then naturally cooling to room temperature, separating out white solid substances, washing and drying to obtain the Zn-ZIF material;
preparing a metal-organic framework material Zn-ZIF material:
(4) placing Zn-ZIF material in a tube furnace under inert gas nitrogen (N)2) Under protection, the temperature range is 550-.
From fig. 1 and experimental data of carbon dioxide adsorption efficiency, it is found that the carbon dioxide adsorption efficiency of the mesoporous Zn-ZIF material of the present example is about thirty-three percent (in fig. 1).
Example 6
Preparing a Zn-ZIF material:
(1) 3.5g of zinc acetate dihydrate and 0.6g of polyvinylpyrrolidone are weighed and added into 40ml of anhydrous ethanol solution, and then the mixture is subjected to ultrasonic treatment and fully stirred and mixed uniformly;
(2) weighing 1.63g of 2-methylimidazole, dissolving into 40ml of absolute ethanol solution, magnetically stirring for 30min to completely dissolve the solution, and clarifying and transparent the solution;
(3) mixing the two solutions obtained in the steps (1) and (2), stirring for a period of time at 50-90 ℃ until the two solutions are fully mixed, then transferring the two solutions into a polytetrafluoroethylene stainless steel reaction kettle to fully react for 5 hours at 120 ℃, then naturally cooling to room temperature, separating out white solid substances, washing and drying to obtain the Zn-ZIF material;
preparing a metal-organic framework material Zn-ZIF material:
(4) placing Zn-ZIF material in a tube furnace under inert gas nitrogen (N)2) Under protection, the temperature range is 550-.
From fig. 1 and experimental data of carbon dioxide adsorption efficiency, it is found that the carbon dioxide adsorption efficiency of the mesoporous Zn-ZIF material of the present example is about thirty percent (in fig. 1).
Weighing a certain amount of the product prepared in the embodiment 1-6, introducing nitrogen at 70 ℃ for 90min, dehydrating to remove other impurity gases, cooling to room temperature under the protection of nitrogen, setting the experiment temperature to be 20 ℃, and introducing high-purity carbon dioxide gas for adsorption test. The result data analysis shows that the adsorption efficiency reaches more than one hundred twenty percent at most, and more than seventy percent at the lowest, which is 2-3 times of the adsorption efficiency reported by related documents. Wherein, the adsorption performance is best when the ratio of the metal (zinc acetate dihydrate) to the organic matter (2-methylimidazole) is 40 percent.

Claims (10)

1. A synthetic method of a metal organic framework mesoporous material comprises the following steps:
(1) adding zinc acetate dihydrate and polyvinylpyrrolidone into analytically pure anhydrous ethanol solution, fully stirring and uniformly mixing;
(2) dissolving 2-methylimidazole in anhydrous ethanol solution, and magnetically stirring for 30min to completely dissolve the 2-methylimidazole and enable the solution to become clear and transparent;
(3) mixing the two solutions obtained in the steps (1) and (2), stirring for a period of time at 50-90 ℃ until the two solutions are fully mixed, then transferring the two solutions into a polytetrafluoroethylene stainless steel reaction kettle to fully react for 5 hours at 120 ℃, then naturally cooling to room temperature, separating out white solid substances, washing and drying to obtain the Zn-ZIF material;
(4) placing Zn-ZIF material in a tube furnace under inert gas nitrogen (N)2) Under the protection, the temperature is 550-850 ℃, and the metal organic framework mesoporous material is obtained after roasting for 5-9 hours in a tubular furnace.
2. The method according to claim 1, wherein the mass fraction ratio of the zinc acetate dihydrate solution to the 2-methylimidazole solution is 20%, 40% or 60%, respectively.
3. The method according to claim 1, wherein in the step (3), the stirring time is 24 hours.
4. The method according to claim 1, wherein in the step (4), the temperature rising rate is 5 ℃/min.
5. The method of claim 1, wherein in step (3), the solvothermal reaction environment is a polytetrafluoroethylene stainless steel reactor.
6. The method according to claim 1, wherein in the step (3), the solvothermal reaction time is 3 to 6 hours.
7. The method of claim 1, wherein in step (3), the solvothermal reaction temperature is in the range of 100 ℃ to 200 ℃.
8. A metal organic framework mesoporous material, characterized by being obtained by the method according to any one of claims 1 to 7.
9. The metal organic framework mesoporous material of claim 8 in CO2The application in adsorption.
10. The use according to claim 9, wherein the metal-organic framework mesoporous material is used for preparing a composite materialCO2Adsorption of (3).
CN201910337685.1A 2019-04-25 2019-04-25 Synthesis method of metal organic framework mesoporous material and its application in CO2Application in adsorption Pending CN111389369A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112827471A (en) * 2020-12-29 2021-05-25 南京凯创微锌环境技术有限公司 Preparation method of deodorant for sheep farm
CN113578272A (en) * 2021-07-22 2021-11-02 太原理工大学 Ordered ZIF-8-based mesoporous carbon material with large aperture and super-large pore volume and preparation method and application thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112827471A (en) * 2020-12-29 2021-05-25 南京凯创微锌环境技术有限公司 Preparation method of deodorant for sheep farm
CN112827471B (en) * 2020-12-29 2023-10-31 南京凯创微锌环境技术有限公司 Preparation method of deodorant for sheep farm
CN113578272A (en) * 2021-07-22 2021-11-02 太原理工大学 Ordered ZIF-8-based mesoporous carbon material with large aperture and super-large pore volume and preparation method and application thereof
CN113578272B (en) * 2021-07-22 2023-04-07 太原理工大学 Ordered ZIF-8-based mesoporous carbon material with large aperture and ultra-large pore volume as well as preparation method and application thereof

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