CN102125790B - Application of metal organic framework material in adsorption of indoor polluted air - Google Patents
Application of metal organic framework material in adsorption of indoor polluted air Download PDFInfo
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- CN102125790B CN102125790B CN 201110023219 CN201110023219A CN102125790B CN 102125790 B CN102125790 B CN 102125790B CN 201110023219 CN201110023219 CN 201110023219 CN 201110023219 A CN201110023219 A CN 201110023219A CN 102125790 B CN102125790 B CN 102125790B
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Abstract
The invention discloses new application of a metal organic framework material NH2-MIL-53 (AL), in particular to application of a metal organic framework material serving as an adsorbent in the treatment of indoor polluted air. The NH2-MIL-53 (AL) has the excellent adsorption effect on the indoor polluted air such as benzene, methylbenzene, methanol, ether, ammonia, formaldehyde, chloroform and the like, and a solid fluorescence spectrum test means proves that the metal organic framework material has the characteristics of simplicity, sensitivity and repeatability on the adsorption of the polluted air. The metal organic framework material provides an effective and convenient method for the treatment of the indoor polluted air, and has the significant application value in aspects of life security and social security.
Description
Technical field
The invention belongs to the environmental monitoring field, be specifically related to the application of a kind of metallic organic framework porous material in adsorption of indoor polluted air.
Background technology
Room air pollution is whole world problems of concern, is one of human health killer who generally acknowledges.It and hypertension, the too high disease of cholesterol and obesity etc. are jointly classified as ten of human health and are threatened greatly.Have data to show, China can reach 11.1 ten thousand people by the death that exceeds the quata that room air pollution causes every year, several 220,000 people of the outpatient service that exceeds the quata, and several 4,300,000 people of super objective emergency treatment, serious room air pollution has caused huge economic loss to China.Room air pollution can not only be passed through the corrosion function of physics, chemistry, biology to the damaging influence of object generation on every side, and dusty gas the nervous system, immune system, skin, liver, internal system etc. to us produce a series of toxic actions, serious harm people's normal life and study through positions such as respiratory system (lung), epiderm skins.Therefore the content that how to reduce indoor polluted gas becomes a difficult problem that needs to be resolved hurrily.
Metal-organic framework materials (Metal-Organic Frameworks, MOFs) is the compound with highly regular infinite network structure that is connected to form by the coordinate bond self assembly by the organic ligand that contains oxygen or nitrogen-atoms and transition metal or rare earth ion.Because it has structure Diversity, larger specific area and characteristics such as porosity, Modulatory character, recent years, the research and development of MOFs material received very large concern, mainly concentrated on the aspects such as gas storage, adsorbing separation, catalysis, molecular magnet, optical material, semi-conducting material.Yet, up to now, also rarely found to the report of indoor polluted gas absorption about metal-organic framework materials.
Summary of the invention
The purpose of this invention is to provide metal-organic framework materials NH
2The new purposes of-MIL-53 (Al).
NH provided by the present invention
2The new purposes of-MIL-53 (Al) is its application in processing indoor polluted gas.
Described dusty gas can be selected from following at least a: benzene, toluene, methyl alcohol, ether, ammonia, formaldehyde, acetone and chloroform.
Described NH
2-MIL-53 (Al) can prepare according to the method in following document: (J.Gascon, U.Aktay, M.D.Hernandez-Alonso, G.P.M.van Klink and F.Kapteijn, J.Catal., 2009,261,75-87.); Concrete grammar is as follows: with a certain amount of amino terephthalic acid (TPA) (NH
2-H
2BDC, 0.565g, 3.12mmol) and aluminum nitrate (Al (NO
3)
39H
2O, 0.788g, 2.10mmol) put into respectively the 20mL beaker, be designated as beaker 1, beaker 2, respectively add 15mL DMF (DMF) in beaker 1,2, ultrasonic, after its dissolving, join in the stainless steel cauldron with the polytetrafluoro liner, sealing, reaction is three days under 130 ℃ of conditions of constant temperature, naturally cools to room temperature, gets still, the yellow product that obtains is centrifugal, clean with acetone.Reflux in methyl alcohol after cleaning and spends the night, 110 ℃ of lower vacuum drying 8h namely obtain having the MOF material NH of photoluminescent property
2-MIL-53 (Al).
With NH
2-MIL-53 (Al) material is respectively put in the atmosphere that contains benzene, toluene, methyl alcohol, ether, ammonia, formaldehyde, acetone, chloroform steam, after ten hours, has found to adsorb the NH of benzene, toluene, methyl alcohol, ether, acetone, chloroform gas
2The color of-MIL-53 (Al) pressed powder becomes white by previous yellow.And then to the NH before and after gas absorption
2-MIL-53 (Al) material carries out Solid fluorescene spectrum and characterizes (λ
ex=380nm), find the front NH of absorption
2The fluorescence spectrum of-MIL-53 (Al) material, after having adsorbed respectively benzene, toluene, methyl alcohol, ether, acetone, chloroform steam, its maximum emission peak is blue shifted to the 465nm left and right by original 475nm, fluorescence intensity obviously strengthens simultaneously, and wherein benzene can make NH
2The fluorescence intensity of-MIL-53 (Al) material strengthens 8 times, fully shows NH
2Interaction except absorption has occured between-MIL-53 (Al) and dusty gas.
With the NH after absorption
2-MIL-53 (Al) material heats a few hours under uniform temperature (100-150 ℃) after, NH
2The color of-MIL-53 (Al) pressed powder reverts to yellow by white, and maximum emission peak also returns to the 475nm left and right simultaneously.Confirm NH
2The success of-MIL-53 (Al) material regeneration.
Metal-organic framework materials NH involved in the present invention
2-MIL-53 (Al) preparation method is simple and can synthesize in enormous quantities; After using it for adsorption of indoor polluted air, reusable through thermal regeneration, have good reversibility.All there is important using value in this material for the processing of indoor polluted gas provides effective a, method easily aspect life security and social security.
Description of drawings
Fig. 1 is NH in embodiment 1
2The situation of change of color before and after-MIL-53 (Al) absorption gas with various.
Fig. 2 is NH in embodiment 1
2Solid fluorescene spectrum (λ before and after the different dusty gas of-MIL-53 (Al) absorption
ex=380nm).
Fig. 3 is NH in embodiment 1
2Regeneration situation after-MIL-53 (Al) absorption chloroform.
The specific embodiment
The present invention will be further described below by specific embodiment, but the present invention is not limited thereto.
Experimental technique described in following embodiment if no special instructions, is conventional method; Described reagent and material if no special instructions, all can obtain from commercial channels.
MOF material NH used in following embodiment
2-MIL-53 (Al) preparation method is as follows:
With a certain amount of amino terephthalic acid (TPA) (NH
2-H
2BDC, 0.565g, 3.12mmol) and aluminum nitrate (Al (NO
3)
39H
2O, 0.788g, 2.10mmol) put into respectively the 20mL beaker, be designated as beaker 1, beaker 2, respectively add 15mL DMF in beaker 1,2, ultrasonic, after its dissolving, join in the stainless steel cauldron with the polytetrafluoro liner, sealing, reaction is three days under 130 ℃ of conditions of constant temperature, naturally cool to room temperature, get still, the yellow product that obtains is centrifugal, clean with acetone.Reflux in methyl alcohol after cleaning and spend the night, 110 ℃ of lower vacuum drying 8h.Namely obtain described can adsorption fouling gas and have a MOF material NH of photoluminescent property
2-MIL-53 (Al).
Embodiment 1, NH
2-MIL-53 (Al) adsorbs chloroform
With MOF material NH
2-MIL-53 (Al) puts in the atmosphere that contains chloroform vapor, adsorbs to find NH after ten hours
2The color of-MIL-53 (Al) material becomes white by initial yellow.Test the NH after the absorption chloroform by Solid fluorescene spectrum
2-MIL-53 (Al) material fluorescence intensity obviously strengthens, and the blue shift of 10nm left and right occurs maximum emission peak.
With the NH after the absorption chloroform
2-MIL-53 (Al) material is found NH after heating 5h at the temperature of 120 ℃
2The color of-MIL-53 (Al) material reverts to the front yellow of absorption by the white after adsorbing, the 475nm before the location restore of the maximum emission peak of fluorescence spectrum extremely adsorbs simultaneously.
Claims (1)
1. metal-organic framework materials NH
2The application of-MIL-53 (Al) in processing dusty gas; Described dusty gas is selected from following at least a: benzene, toluene, methyl alcohol, ether, ammonia, formaldehyde, acetone and chloroform.
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| CN 201110023219 CN102125790B (en) | 2011-01-20 | 2011-01-20 | Application of metal organic framework material in adsorption of indoor polluted air |
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| CN 201110023219 CN102125790B (en) | 2011-01-20 | 2011-01-20 | Application of metal organic framework material in adsorption of indoor polluted air |
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| CN102125790B true CN102125790B (en) | 2013-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977715A (en) * | 2014-05-12 | 2014-08-13 | 北京航空航天大学 | Preparation method of individually-self-supporting MIL-53 metal-organic framework membrane material |
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| CN102489183B (en) * | 2011-12-16 | 2015-05-20 | 中国科学院宁波材料技术与工程研究所 | Metal-organic framework (MOF) material for permeating and separating gases and preparation method thereof |
| CN104043397A (en) * | 2014-03-31 | 2014-09-17 | 中国石油大学(华东) | MIL-53 needle tube-type solid phase microextraction probe and preparation method thereof |
| JP2015213897A (en) * | 2014-04-24 | 2015-12-03 | 東洋紡株式会社 | Aldehyde removal material for repeating adsorption and desorption |
| CN104001476B (en) * | 2014-05-07 | 2016-05-04 | 华南理工大学 | A kind of ammonia modified absorbing material and preparation method thereof and application |
| CN104804027B (en) * | 2015-04-24 | 2016-11-30 | 南开大学 | A kind of rare earth metal organic framework materials and preparation method and application |
| CN105148853A (en) * | 2015-10-12 | 2015-12-16 | 武汉大学 | Magnetic MOFs solid phase extraction adsorbent as well as preparation method and application thereof |
| CN106053413B (en) * | 2016-06-13 | 2019-01-18 | 华东师范大学 | A kind of metal organic fluorescence methanol sense film and preparation method thereof |
| CN108484929A (en) * | 2018-06-11 | 2018-09-04 | 天津城建大学 | A kind of metal organic frame synthesis MIL-53 (Al)-AO based on amidoxime2Preparation method |
| CN111320775B (en) * | 2018-11-29 | 2022-05-20 | 内蒙古东盛硅藻土科技创新产业园有限公司 | Manufacturing method of environment-friendly closestool |
| CN113490537B (en) * | 2018-12-21 | 2023-06-30 | 梅西大学 | Metal organic framework for gas adsorption |
| CN113831547B (en) * | 2021-10-27 | 2022-11-25 | 石河子大学 | Hierarchical porous metal organic framework compound and preparation method and application thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102005039623A1 (en) * | 2005-08-22 | 2007-03-01 | Basf Ag | Process for the preparation of organometallic frameworks Main groups containing metal ions |
| CN101269317B (en) * | 2007-03-23 | 2011-06-08 | 中国科学院大连化学物理研究所 | Load type stephanoporate metal organic compound hydrogen storing material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103977715A (en) * | 2014-05-12 | 2014-08-13 | 北京航空航天大学 | Preparation method of individually-self-supporting MIL-53 metal-organic framework membrane material |
| CN103977715B (en) * | 2014-05-12 | 2015-12-09 | 北京航空航天大学 | A kind of preparation method of MIL-53 metal organic framework film material of independent self-supporting |
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