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New and Simple Synthetic Strategy for 2D Ultra-microporous Aromatic Framework for Selective Uranium Capture in Liquid
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  • Mudasir Ahmad,
  • Jianquan Ren,
  • Mehraj-ud-din Naik,
  • Yabin Wang,
  • Ajit Khosla,
  • Qiuyu Zhang,
  • Baoliang Zhang
Mudasir Ahmad
Northwestern Polytechnical University
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Jianquan Ren
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Mehraj-ud-din Naik
Jazan University
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Yabin Wang
Northwestern Polytechnical University
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Ajit Khosla
Xidian University
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Qiuyu Zhang
Northwestern Polytechnical University
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Baoliang Zhang
Northwestern Polytechnical University

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Economical uranium adsorption from seawater remains a crucial task for energy and environmental safety. Aiming for improving the mass transfer rate of uranium adsorption. Herein, a novel 2D porous aromatic framework(PAF) based on nucleophilic substitution of 2,5-dichloro benzonitrile was synthesized, with an ordered prous structure, excellent stability and selectivity of uranium extraction from seawater. PAF shows excellent uranium adsorption capacity of 637 mg/g and 3.22 mg/g in simulated and real seawater because of highly accessible pores on the walls of open channels. In addition, benefiting from the super-hydrophilicity due to the presence of amidoxime groups attributes high selectivity and ultrafast kinetics with an uptake rate of 0.43±0.03 mg/g.day and allowing half-saturation within 1.35±0.09 day. This strategy demonstrates a potential of PAF not only in uranium trap but also possess a power to monitor water quality. This technique can be extended in other applications by sensible planning target ligands
30 Jan 2023Submitted to AIChE Journal
31 Jan 2023Submission Checks Completed
31 Jan 2023Assigned to Editor
31 Jan 2023Review(s) Completed, Editorial Evaluation Pending
05 Feb 2023Reviewer(s) Assigned
02 Mar 2023Editorial Decision: Revise Major
01 Apr 20231st Revision Received
08 Apr 2023Submission Checks Completed
08 Apr 2023Assigned to Editor
08 Apr 2023Review(s) Completed, Editorial Evaluation Pending
09 Apr 2023Reviewer(s) Assigned
16 Apr 2023Editorial Decision: Accept