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Method for preparing metal-organic framework material HKUST-1 from copper-containing industrial wastewater

A HKUST-1, industrial wastewater technology, applied in the field of wastewater utilization, can solve the problems of non-reusable use, high cost, expensive copper salt precursors and organic solvents, and achieve the effect of reducing environmental pollution and low cost

Active Publication Date: 2021-12-10
NANCHANG HANGKONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] HKUST-1 is a typical metal-organic framework material. Its traditional preparation method is to react the copper salt precursor with trimesic acid in an organic solvent. Among them, the copper salt precursor and organic solvent are expensive and unrepeatable. use, the cost is high, which hinders its development and application

Method used

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  • Method for preparing metal-organic framework material HKUST-1 from copper-containing industrial wastewater
  • Method for preparing metal-organic framework material HKUST-1 from copper-containing industrial wastewater
  • Method for preparing metal-organic framework material HKUST-1 from copper-containing industrial wastewater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] (1) Get the copper-containing industrial waste water of Ningbo factory, filter, after removing solid residue, test the content of each metal ion, waste water pH value and COD value wherein, wherein, Cu 2+ 213.7g / L, Co 2+ 0.01584g / L, Ni + 1.144g / L, Zn 2+ 0.3154g / L, Fe 2+ / 3+ 3.634g / L, Na + 98.3g / L, Mg 2+ 0.1034g / L and Cr 3+ / 6+ 0.055g / L; pH value is -0.87; COD value is 2×10 -3 g / L;

[0056] (2) Add 152mL deionized water to 8mL copper-containing industrial wastewater and dilute 20 times (after dilution, Cu 2+ 10.685g / L, Co 2+ 0.000792g / L, Ni + 0.0572g / L, Zn 2+ 0.01577g / L, Fe 2+ / 3+ 0.1817g / L, Na + 4.915g / L, Mg 2+ 0.00517g / L and Cr 3+ / 6+ 0.00275g / L; pH value is 0.43; COD value is 0.1×10 -3 g / L) is placed in the beaker, then add 2.75g trimesic acid (the ratio of the amount of copper ion in the copper-containing industrial wastewater to the amount of trimesic acid is 2.0:1), the beaker is placed in a constant temperature stirrer Above, control the rotational spe...

Embodiment 2

[0059] Add 168mL deionized water to dilute 22 times in 8mL copper-containing industrial waste water in embodiment 1 (after dilution Cu 2+ 9.714g / L, Co 2+ 0.00072g / L, Ni + 0.052g / L, Zn 2+ 0.01434g / L, Fe 2+ / 3+ 0.1652g / L, Na + 4.468g / L, Mg 2+ 0.0047g / L and Cr 3+ / 6+ 0.0025g / L; pH value is 0.47; COD value is 0.09×10 -3 g / L), other parameters are the same as in Example 1.

Embodiment 3

[0061] Add 192mL deionized water to dilute 25 times in 8mL copper-containing industrial waste water in embodiment 1 (after dilution Cu 2+ 8.548g / L, Co 2+ 0.0006g / L, Ni + 0.046g / L, Zn 2+ 0.0126g / L, Fe 2+ / 3+ 0.1454g / L, Na + 3.932g / L, Mg 2 + 0.0041g / L and Cr 3+ / 6+ 0.0022g / L; pH value is 0.53; COD value is 0.08×10 -3 g / L), other parameters are the same as in Example 1.

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Abstract

The invention provides a method for preparing a metal-organic framework material HKUST-1 from copper-containing industrial wastewater, belonging to the technical field of wastewater utilization. The method comprises the following steps: mixing the copper-containing industrial wastewater with trimesic acid, and carrying out a coordination reaction to obtain a crude reaction product, wherein the pH value of the copper-containing industrial wastewater is 0.4 to 1.5; and mixing the obtained crude reaction product with an activating agent, and carrying out activating treatment to obtain the metal-organic framework material HKUST-1. The metal-organic framework material HKUST-1 is prepared from the copper-containing industrial wastewater, so cost is low, copper ions in the industrial wastewater can be removed, and environmental pollution is reduced. A result of an embodiment shows that the HKUST-1 is successfully prepared by the method disclosed by the invention.

Description

technical field [0001] The invention relates to the technical field of waste water utilization, in particular to a method for preparing metal-organic framework material HKUST-1 from copper-containing industrial waste water. Background technique [0002] Metal-organic frameworks (MOFs) are a kind of network framework materials with porous structure, large specific surface area and regular crystal structure formed by combining metal ions and heterogeneous organic ligands through coordination chemistry. Compared with traditional porous materials, it has a porosity of up to 90% and a specific surface area greater than 6000m 2 / g characteristics, and its structure can be adjusted by adjusting the pore size and changing the type of organic ligands so that it can be applied in many fields such as hydrogen storage, drug carrier, catalysis, fluorescence, biosensor, gas adsorption and separation, supercapacitor, etc. , and exhibited excellent performance. [0003] HKUST-1 is a typic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G83/00
CPCC08G83/008
Inventor 丁琳王鹏翔侯杨焱任伟邵鹏辉罗旭彪
Owner NANCHANG HANGKONG UNIVERSITY
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