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Porous MOFs type metal oxide and application thereof in atmosphere purification

An oxide and metal technology, applied in the field of atmospheric environment purification, can solve the problems of single photocatalytic active component and low catalytic performance, and achieve the effect of enhanced catalytic elimination effect, uniform particle size and mild reaction conditions

Active Publication Date: 2021-08-27
紫科装备股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004]However, the metal oxide materials prepared based on MOFs currently use a single photocatalytic active component. In practical application systems, there is a problem of low catalytic performance.

Method used

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  • Porous MOFs type metal oxide and application thereof in atmosphere purification
  • Porous MOFs type metal oxide and application thereof in atmosphere purification
  • Porous MOFs type metal oxide and application thereof in atmosphere purification

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] A porous MOFs-type metal oxide is prepared by using the porous MOFs as the outer shell and the metal oxide as the inner core.

[0054] The preparation method of described porous MOFs is:

[0055] S1. Weigh the rhenium salt and add it to the first organic solvent, and stir until it is completely dissolved to obtain a rhenium salt solution;

[0056] Wherein, the mass concentration of rhenium salt solution is 0.06g / mL;

[0057] S2. Weigh 1-(4-hydrazinophenyl)methyl-1,2,4-triazole and add it to the first organic solvent, and stir until it is completely dissolved to obtain 1-(4-hydrazinophenyl ) methyl-1,2,4-triazole solution;

[0058] Wherein, the mass concentration of 1-(4-hydrazinophenyl)methyl-1,2,4-triazole solution is 0.1g / mL;

[0059] S3. Add coumaric acid to the 1-(4-hydrazinophenyl)methyl-1,2,4-triazole solution, and stir until completely dissolved to obtain an organic mixed solution;

[0060] Wherein, in the organic mixed solution, the mass concentration of cou...

Embodiment 2

[0086] A porous MOFs-type metal oxide is prepared by using the porous MOFs as the outer shell and the metal oxide as the inner core.

[0087] The preparation method of described porous MOFs is:

[0088] S1. Weigh the rhenium salt and add it to the first organic solvent, and stir until it is completely dissolved to obtain a rhenium salt solution;

[0089] Wherein, the mass concentration of rhenium salt solution is 0.01g / mL;

[0090] S2. Weigh 1-(4-hydrazinophenyl)methyl-1,2,4-triazole and add it to the first organic solvent, and stir until it is completely dissolved to obtain 1-(4-hydrazinophenyl ) methyl-1,2,4-triazole solution;

[0091] Wherein, the mass concentration of 1-(4-hydrazinophenyl)methyl-1,2,4-triazole solution is 0.02g / mL;

[0092] S3. Add coumaric acid to the 1-(4-hydrazinophenyl)methyl-1,2,4-triazole solution, and stir until completely dissolved to obtain an organic mixed solution;

[0093] Wherein, in the organic mixed solution, the mass concentration of co...

Embodiment 3

[0119] A porous MOFs-type metal oxide is prepared by using the porous MOFs as the outer shell and the metal oxide as the inner core.

[0120] The preparation method of described porous MOFs is:

[0121] S1. Weigh the rhenium salt and add it to the first organic solvent, and stir until it is completely dissolved to obtain a rhenium salt solution;

[0122] Wherein, the mass concentration of rhenium salt solution is 0.03g / mL;

[0123] S2. Weigh 1-(4-hydrazinophenyl)methyl-1,2,4-triazole and add it to the first organic solvent, and stir until it is completely dissolved to obtain 1-(4-hydrazinophenyl ) methyl-1,2,4-triazole solution;

[0124] Wherein, the mass concentration of 1-(4-hydrazinophenyl)methyl-1,2,4-triazole solution is 0.06g / mL;

[0125] S3. Add coumaric acid to the 1-(4-hydrazinophenyl)methyl-1,2,4-triazole solution, and stir until completely dissolved to obtain an organic mixed solution;

[0126] Wherein, in the organic mixed solution, the mass concentration of co...

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Abstract

The invention discloses a porous MOFs type metal oxide, which is characterized in that the porous MOFs type metal oxide is prepared by using porous MOFs as a shell and a metal oxide as an inner core; according to the preparation method, porous MOFs are taken as a matrix, experimental parameters are regulated and controlled, a bimetallic-containing metal oxide catalyst is coated in the matrix, the porous MOFs type metal oxide with a shell-core structure is formed, the porous MOFs type metal oxide is applied to catalytic degradation of VOCs in the atmospheric environment, a new research method and thought can be provided for design of an efficient catalyst and effective elimination of VOCs, the method has important theoretical and practical reference values for solving the existing atmospheric environment pollution problem.

Description

technical field [0001] The invention relates to the field of atmospheric environment purification, in particular to a porous MOFs type metal oxide and its application in purifying the atmosphere. Background technique [0002] Volatile organic compounds (Volatile Organic Compounds, VOCs) are not only toxic, volatile and carcinogenic, but also the main precursors of aerosols, ground ozone, smog and particulate matter, which are extremely harmful to human health and the atmospheric environment. In order to comprehensively strengthen the prevention and control of VOCs, the newly revised "Air Pollution Prevention and Control Law" in 2015 included VOCs in the scope of supervision for the first time. Especially aromatic hydrocarbon VOCs, which mainly come from industrial production processes, have a large amount of emissions, and are easily diffused when exposed to the air. It is considered to be a type of typical industrial VOCs. How to eliminate VOCs economically and efficientl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/86B01D53/44C08G83/00
CPCB01D53/8687C08G83/008B01D2257/708Y02A50/20
Inventor 安太成郭云龙李云飞温美成李桂英周永毅李木子
Owner 紫科装备股份有限公司
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