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Supercritical Nitrogen Processing for the Purification of Reactive Porous Materials
Published on: May 15, 2015
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Promising porous materials for uranium extraction from seawater
Mengjie Hao1, Yinghui Xie1, Zhongshan Chen1
1College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China.
Fundamental Research
|February 6, 2026
Summary
Novel porous materials offer a promising solution for extracting uranium from seawater, overcoming challenges like low concentrations and biofouling. These advanced adsorbents utilize specific functional groups and pore structures for efficient uranium capture and conversion into harvestable products.
Area of Science:
- Materials Science
- Environmental Science
- Nuclear Engineering
Background:
- Seawater uranium extraction is vital for nuclear fuel supply but faces challenges: low uranium concentration, high salinity, and biofouling.
- Traditional methods are inefficient, necessitating advanced materials for effective uranium recovery.
Purpose of the Study:
- To review recent breakthroughs in designing porous materials for selective uranium extraction from seawater.
- To highlight innovative strategies for efficient uranium capture and conversion.
Main Methods:
- Development of novel porous adsorbents with tailored pore characteristics and functional groups (e.g., amidoxime, carboxyl).
- Utilizing coordination chemistry principles to create specific binding sites for uranyl ions.
- Exploring adsorption-photocatalytic and adsorption-electrocatalytic materials for enhanced extraction and product formation.
Main Results:
- Porous materials demonstrate high affinity and selectivity for uranyl ions (UO2 2+) over other ions.
- Cooperative effects of functional groups enhance uranium capture and adsorption selectivity.
- Innovative materials achieve high extraction efficiencies and resistance to biofouling, converting uranium into solid products.
Conclusions:
- Advanced porous materials are key to efficient and selective uranium extraction from seawater.
- Integration of adsorption with photocatalysis or electrocatalysis offers improved performance and product recovery.
- These strategies address critical challenges in securing uranium fuel resources.
Keywords:
AdsorbentAdsorption-electrocatalystAdsorption-photocatalystPorous materialsSeawaterUranium extractionMore Related Videos
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