Preparation method and application of functionalized magnetic adsorption material

A magnetic adsorption material and functionalization technology, applied in chemical instruments and methods, inorganic chemistry, alkali metal compounds, etc., can solve problems such as limited application and difficult separation, and achieve high adsorption capacity and selectivity, large adsorption capacity, and selectivity good sex effect
CN113231035AActive Publication Date: 2021-08-10SOUTHWEAT UNIV OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SOUTHWEAT UNIV OF SCI & TECH
Publication Date
2021-08-10

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Abstract

The invention discloses a preparation method of a functionalized magnetic adsorption material, and the method is characterized by comprising the following steps: adding ethyl 2, 5-dihydroxy-1, 4-benzene diphosphonate and / or diethyl 2, 5-dihydroxyphenyl phosphonate into a solvent A, adding nano ferroferric oxide, and reacting at a certain temperature to obtain a reacted material; cooling the reacted material, performing filtering and separating, washing the solid with a solvent B, and performing drying to obtain the functionalized magnetic adsorption material. The functionalized magnetic adsorption material prepared by the invention is of a porous structure, is formed by sparsely stacking spherical particles, and has rich functional groups such as hydroxyl groups and phosphorus oxygen groups; the functionalized magnetic adsorption material prepared by the method has the advantages of simplicity in synthesis, low cost, good selectivity, large adsorption capacity, convenience in collection after adsorption and the like, can be actually used for adsorbing, enriching or removing uranium in an aqueous solution, and is high in practicability.
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Description

technical field

[0001] The invention belongs to the adsorption, enrichment or treatment of radioactive element uranium, and relates to a preparation method and application of a functionalized magnetic adsorption material. The functionalized magnetic adsorption material prepared by the invention (or called the phosphate functionalized nano-iron tetroxide particle adsorption material) is especially suitable for the adsorption, enrichment or removal of radioactive element uranium in aqueous solution. Background technique

[0002] As one of the most important clean energy sources in the 21st century, nuclear energy has the advantages of high energy and higher energy supply stability than hydropower, thermal power, and wind power; less carbon emissions, lower than hydropower and wind power, and longer service life.

[0003] Uranium resources on land in China are actually not abundant, but the storage of uranium element is related to the sustainable development of China's nuclear ...

Claims

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