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Metal-organic framework of In and preparation method thereof, and application of metal-organic framework of In to dye adsorption

A technology of organic framework and metal, which is applied in the field of metal-organic framework materials, preparation, and metal-organic framework of indium, which can solve the problems of small pore size and achieve the effect of large pore size, easy implementation and high yield

Inactive Publication Date: 2016-12-14
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Traditional porous materials (such as zeolite, activated carbon, aluminosilicate, etc.) have certain limitations in dye removal due to small pore size, etc.

Method used

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  • Metal-organic framework of In and preparation method thereof, and application of metal-organic framework of In to dye adsorption
  • Metal-organic framework of In and preparation method thereof, and application of metal-organic framework of In to dye adsorption
  • Metal-organic framework of In and preparation method thereof, and application of metal-organic framework of In to dye adsorption

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The organic ligand PBPTTBA (0.035 mmol) and indium nitrate (0.035 mmol) were mixed uniformly in 1 mL of N,N-dimethylformamide, 0.2 mL of propionic acid was added, and sealed into a vial. Crystals of the metal-organic framework were obtained via thermal reaction at 100° C. for 48 hours.

Embodiment 2

[0022] The organic ligand PBPTTBA (0.035 mmol) and indium nitrate (0.035 mmol) were mixed uniformly in 1.5 mL of N,N-dimethylformamide, 0.2 mL of propionic acid was added, and sealed into a vial. Crystals of the metal-organic framework were obtained via thermal reaction at 100° C. for 48 hours.

Embodiment 3

[0024] The organic ligand PBPTTBA (0.035 mmol) and indium nitrate (0.035 mmol) were mixed uniformly in 2.0 mL of N,N-dimethylformamide, 0.2 mL of propionic acid was added, and sealed into a vial. Crystals of the metal-organic framework were obtained via thermal reaction at 100° C. for 48 hours.

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Abstract

The invention provides a metal-organic framework of In and a preparation method thereof, and application of the metal-organic framework of In to dye adsorption, belonging to the technical field of crystalline materials. The chemical formula of the metal-organic framework of In is [In(PBPTTBA)][(CH3)2NH2], wherein PBPTTBA is organic ligand 4,4',4'',4'''-(4,4'-(1,4-phenylene)bis(tripyridin-6,4,2-yl))tribenzoic acid. Under an enclosed condition, the organic ligand PBPTTBA and indium nitrate undergo a thermal reaction in N,N-dimethyl formamide so as to obtain the crytal of the metal-organic framework; and the metal-organic framework exerts preferential adsorption effect on organic dye molecules, can be used for removal of organic dye molecules and shows good separation effect.

Description

technical field [0001] The invention belongs to the technical field of crystalline materials, and the technology relates to a metal-organic framework material, in particular a metal-organic framework of indium (In), a preparation method and an application thereof. Background technique [0002] In recent years, water pollution has become a more and more serious problem, which has attracted widespread public attention. Organic synthetic dyes are widely used in textiles, printing, papermaking and other industries, and have made outstanding contributions to human progress. However, with the discharge of a large amount of industrial wastewater, organic synthetic dyes have become a major organic pollutant in water. Most of the dyes are toxic or even carcinogenic, causing serious harm to public health and the ecological environment. Improving water quality and effectively removing organic dyes from wastewater is imminent. Currently, several methods have been developed to remove ...

Claims

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Application Information

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IPC IPC(8): C07F5/00B01J20/22C02F1/28
CPCB01J20/223C02F1/285C02F2101/308C07B2200/13C07F5/003
Inventor 谢亚勃杨奇王彬李建荣
Owner BEIJING UNIV OF TECH
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