Hierarchical triple-channel architectures unlock scalable and high-efficient uranium extraction from seawater.

ABSTRACT: The ocean holds ~4.5 billion tons of uranium, a vast yet underexploited resource for sustainable nuclear energy. However, current seawater uranium adsorbents suffer from poor macroscale structures, limited mass transfer, and inefficient functional group utilization. Here, we report a bioinspired honeycomb-like polyamidoxime adsorbent featuring an interconnected hierarchical triple-channel architecture (HTC-PAO) that addresses these challenges. Its hierarchical structure incorporates millimeter-scale honeycomb channels, sub-millimeter transverse channels, and intrinsic micropores. The adsorbent is 100 times thicker than conventional hydrogels, enabling practical deployment in marine environments while maintaining excellent adsorption performance. Mass transfer analysis and COMSOL simulation

SUBMITTER: Wang H 

PROVIDER: S-EPMC12669700 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature