Preparation method of multi-element transition metal composite environment restoration material

Abstract

The invention discloses a preparation method of a multi-element transition metal composite environment restoration material, which comprises the following steps: stirring CuSO4. 5H2O and FeCl3. 6H2O according to a ratio to completely dissolve CuSO4. 5H2O and FeCl3. 6H2O in deionized water; dropwise adding a NaOH solution and a Na2CO3 solution to carry out coprecipitation reaction, keeping the temperature at 60 DEG C for 4 hours, and then carrying out suction filtration, washing and vacuum drying to obtain a blue gray solid; putting the blue gray solid into a muffle furnace for calcining to obtain CuFe2O4 nanoparticles, adding the CuFe2O4 nanoparticles into a mixed solution of water, ethanol, cetyltrimethylammonium bromide and tetraethyl silicate, dropwise adding ammonia water, further stirring a reaction mixture, and then filtering, washing and vacuum drying; the CuFe2O4 / SiO2 composite environmental remediation material prepared by the preparation method disclosed by the invention can efficiently degrade various organic pollutants in water in a relatively wide pH range, can be applied to various water treatment processes and water environmental remediation engineering practices in various modes, and is high in activity stability of repeated use.

Description

technical field [0001] The invention relates to the technical field of environmental restoration materials, in particular to a preparation method of a multi-element transition metal composite environmental restoration material. Background technique [0002] At present, the traditional Fenton reaction has problems such as easy production of iron sludge and low pH conditions. Using transition metal-related materials as Fenton-like reagents can react in a wide pH range to generate hydroxyl radicals, so as to efficiently Degrading or even completely mineralizing organic pollutants in water is a hot spot in current scientific research and technological development. Multivariate transition metal composites help to achieve synergistic catalysis, while loading on porous materials can improve the reaction efficiency and activity stability. A variety of processes can be employed to achieve degradation targets during application. Therefore, there is an urgent need to develop a method...

AI Technical Summary

Problems solved by technology

[0002] At present, the traditional Fenton reaction has problems such as easy generation of iron sludge and the need for low pH conditions. Using transition metal-related materials as Fenton-like reagents can react in a wide pH range to generate hydroxyl radicals for efficient Degradation or even complete mineralization of organic pollutants in water is a hot spot in current scientific research and technology development

Images