Journal
MICROPOROUS AND MESOPOROUS MATERIALS
Volume 323, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.micromeso.2021.111231
Keywords
Metal-organic frameworks; Zeolitic imidazolate frameworks; Covalent modification; Uranium extraction
Categories
Funding
- Natural Science Foundation of Hainan Province [2019RC005]
- National Natural Science Foundation of China [22061014, 21761010]
- Haikou Science and Technology Project [2020-033]
- Hainan University startup fund [KYQD(ZR)1806]
Ask authors/readers for more resources
The study presents the synthesis of ZIF-90-ABOA with excellent uranium adsorption performance, demonstrating the potential enrichment of uranium from seawater and providing possibilities for nuclear energy development.
Uranium is one of the main crude materials for nuclear reaction, but the total uranium content on land is far from meeting the long-term needs of nuclear energy for the human being. How to enrich uranium from seawater with high reserves but extremely low uranium concentration and a great quantity of competitive ions has become a key project. In this work, we report the synthesis of aminooxime functionalized ZIF-90 by grafting 4-aminobenzamidoxime, named ZIF-90-ABOA, which exhibits outstanding adsorption performance benefitting from the high chelating ability of amidoxime towards uranium. The maximum adsorption capacity of uranium is 353.4 mg g(-1) from aqueous solution, which is much higher than the original ZIF-90. Additionally, the adsorption capacity can reach 2.8 mg g(-1) in 7 days from natural seawater, proving the potential enrichment of uranium in real application.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available