Metal organic framework derived iron-carbon catalyst suitable for heterogeneous electro-Fenton process and preparation method thereof

A metal-organic framework, carbon catalyst technology, applied in the fields of environment and materials, to achieve the effect of accelerating electron transfer, low equipment requirements, and improved catalytic effect

Pending Publication Date: 2020-05-08
NANKAI UNIV
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  • Abstract
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Benefits of technology

This patented technology allows for easy production with high-quality products at lower costs compared to traditional methods such as chemical vapor deposition or plasma etching processes. It also improves upon existing techniques by enhancing their ability to promote better electronic conduction between atoms within materials.

Problems solved by technology

This patented technical solution describes various techniques used during different types of wastewater treatments that involve removing harmful substances (such as bacteria or metals). These technologies use specialized compositions containing ferric elements with strong magnetism properties called ferroferrite. Ferronate is one example of these components due to its ability to absorb light efficiently at visible wavelength range without being easily decomposed into smaller molecules when exposed to acid solutions. By combining them together, they provide improved catalysis capabilities while reducing their cost and improving overall functionality.

Method used

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  • Metal organic framework derived iron-carbon catalyst suitable for heterogeneous electro-Fenton process and preparation method thereof
  • Metal organic framework derived iron-carbon catalyst suitable for heterogeneous electro-Fenton process and preparation method thereof
  • Metal organic framework derived iron-carbon catalyst suitable for heterogeneous electro-Fenton process and preparation method thereof

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Experimental program
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Embodiment Construction

[0021] (1) Preparation of precursor MIL-101(Fe): Ferric trichloride hexahydrate, terephthalic acid and N, N dimethylformamide are mixed uniformly according to the molar ratio of 2:1:150 and placed in In a polytetrafluoroethylene reactor, react at 120°C for 24 hours, cool to room temperature and centrifuge to obtain a light yellow solid, which is washed three times with methanol.

[0022] (2) Put the MIL-101(Fe) prepared in step (1) into a vacuum drying oven, and dry at 200° C. for 12 hours.

[0023] (3) Transfer the MIL-101(Fe) prepared in step (2) to a tube furnace, and calcinate at 800°C for 6 hours under an argon atmosphere to obtain Fe / Fe 3 C@PC catalyst. Wherein, the argon flow rate is 80ml / min, and the heating rate is 5°C / min.

[0024] The morphology of the catalyst was characterized by transmission electron microscopy (JEM-2800), the results are shown in figure 1 , nano-iron particles are encapsulated by porous carbon. X-ray diffractometer (Ulitma IV) characteriz

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Abstract

According to the invention, the porous carbon-coated nano zero-valent iron composite catalyst is prepared by taking a metal skeleton as a precursor, and has excellent catalytic performance in an electro-Fenton process. The synthesis method has the advantages of simplicity and convenience in operation, low equipment requirement, good product performance reproducibility and the like. Due to the synergistic effect of iron and carbon, electron transfer is accelerated, and the catalytic efficiency is remarkably improved. The iron-carbon material has strong magnetism, can be quickly separated in a magnetic field, and is convenient to recover.

Description

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Claims

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Application Information

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Owner NANKAI UNIV
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