Uranium extraction method by ultrasonic atomization of microdroplets

CN120425177BActive Publication Date: 2026-04-21EAST CHINA UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
EAST CHINA UNIV OF TECH
Filing Date
2025-05-19
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing technologies for treating uranium-containing wastewater and addressing uranium resource shortages suffer from problems such as complex catalyst usage and secondary pollution, resulting in high costs and low efficiency. There is a lack of catalyst-free, highly efficient methods for separating and enriching uranium.

Method used

The ultrasonic atomization microdroplet method is used to generate stable uranium-containing mica (UO2)4O(OH)6·5H2O by using oxygen, water and uranium hydrolysate as starting reactants in an air atmosphere, and controlling the frequency of the ultrasonic atomizing plate and the light source. This achieves the separation and enrichment of uranium.

Benefits of technology

It achieves efficient separation and enrichment of uranium without catalysts, is applicable to uranium-containing wastewater and seawater, has excellent selectivity and high extraction capacity, and produces products with high crystallinity, avoiding the complex processes and secondary pollution caused by catalysts.

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Abstract

This invention relates to the field of environmental radiochemistry, specifically to an ultrasonic atomization microdroplet uranium extraction method. The specific technical solution involves adding uranium-containing wastewater and / or seawater to a uranium extraction reactor, controlling the frequency of the ultrasonic atomizing plate in the reactor to be 1.5MHz-3MHz, and reacting under different atmospheres and light sources. This invention directly utilizes oxygen from the air, water in the solution, and U(VI) as starting reactants, catalyzing the ionization of free U(VI) to obtain stable clinomic acid (UO2)4O(OH)6·5H2O under catalyst-free conditions and at room temperature and pressure, facilitating separation and enrichment from the solution. This invention utilizes the photochemical properties of U(VI) ions to achieve catalyst-free solidification of free U(VI) through a free radical-mediated reaction via microdroplets. The ultrasonic atomization microdroplet uranium extraction method of this invention has broad application scenarios in both seawater and uranium-containing wastewater.
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Citation Information

Patent Citations

  • A catalyst-free photocatalytic uranium removal method

    CN115148389B

  • Method and device for constructing microdroplet self-Fenton system

    CN117865324A

  • Method for separating and extracting uranium in water without catalyst

    CN117987671A