期刊论文

Li, Le;Zhen, DS;Cai, Qingyun

英文

Separation and Purification Technology

1383-5866

2025

361

131461

10.1016/j.seppur.2025.131461

CRediT authorship contribution statement Yu Liu: Methodology, Data curation. Qiuhui Deng: Methodology, Investigation, Writing – original draft. Yao Yu: Methodology, Investigation. Hong Chen: Conceptualization, Formal analysis, Validation. Chunlin Liu: Methodology, Writing – original draft. Le Li: Data curation, Writing – review & editing. Qingyun Cai: Project administration, Writing – review & editing. Deshuai Zhen: Writing – review & editing, Supervision, acquisition.

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Efficient enrichment and recycling of uranyl ion (UO 2 2+ ) from wastewater are crucial for preventing radioactive contamination and protecting human health. Herein, two novel covalent organic frameworks (Tp-PDAN and Tp-PDAN-AO) were synthesized by a simple two-step method. Tp-PDAN-AO exhibits excellent hydrophilicity, thermal stability, and chemical stability, making it suitable for UO 2 2+ removal from acidic wastewater. The high-density amidoxime chelate groups in Tp-PDAN-AO confer high adsorption capacity and selectivity for UO 2 2+ , with ...