Ultrafast and Efficient Extraction of Uranium from Seawater Using an Amidoxime Appended Metal-Organic Framework

doi:10.1021/acsami.7b12396

CORC > 上海应用物理研究所 > 中国科学院上海应用物理研究所 > 中科院上海应用物理研究所2011-2017年

	Ultrafast and Efficient Extraction of Uranium from Seawater Using an Amidoxime Appended Metal-Organic Framework
	Chen, L; Bai, ZL; Zhu, L; Zhang, LJ; Cai, YW; Li, YX; Liu, W; Wang, YL; Chen, LH; Juan, DW
刊名	ACS APPLIED MATERIALS & INTERFACES
	2017
卷号	9 期号:38 页码:32446-32451
关键词	Transfer Radical Polymerization Ray-absorption Spectroscopy Porous Aromatic Framework Selective Removal Mesoporous Carbon Aqueous-solutions Small-molecule u(Vi) Capture Recovery Coordination
ISSN号	1944-8244
DOI	10.1021/acsami.7b12396
文献子类	期刊论文
英文摘要	Enrichment of uranyl from seawater is crucial for the sustainable development of nuclear energy, but current uranium extraction technology suffers from multiple drawbacks of low sorption efficiency, slow uptake kinetics, or poor extraction selectivity. Herein, we prepared the first example of amidoxime appended metal organic framework UiO-66-AO by a postsynthetic modification method for rapid and efficient extraction of uranium from seawater. UiO-66-AO can remove 94.8% of uranyl ion from Bohai seawater within 120 min and 99% of uranyl ion from Bohai seawater containing extra 500 ppb uranium within 10 min. The uranyl sorption capacity in a real seawater sample was determined to be 2.68 mg/g. In addition, the recyclability of the UiO-66-AO framework was demonstrated for at least three adsorption/desorption cycles. The origin for the superior sorption capability was further probed by extended X-ray absorption fine structure (EXAFS) analysis on the uranium-sorbed sample, suggesting multiple amidoxime ligands are able to chelate uranyl(VI) ions, forming a hexagonal bipyramid coordination geometry.
WOS关键词	TRANSFER RADICAL POLYMERIZATION ; RAY-ABSORPTION SPECTROSCOPY ; POROUS AROMATIC FRAMEWORK ; SELECTIVE REMOVAL ; MESOPOROUS CARBON ; AQUEOUS-SOLUTIONS ; SMALL-MOLECULE ; U(VI) CAPTURE ; RECOVERY ; COORDINATION
语种	英语
WOS记录号	WOS:000412149800007
内容类型	期刊论文
源URL	[http://ir.sinap.ac.cn/handle/331007/28889]
专题	上海应用物理研究所_中科院上海应用物理研究所2011-2017年
推荐引用方式 GB/T 7714	Chen, L,Bai, ZL,Zhu, L,et al. Ultrafast and Efficient Extraction of Uranium from Seawater Using an Amidoxime Appended Metal-Organic Framework[J]. ACS APPLIED MATERIALS & INTERFACES,2017,9(38):32446-32451.
APA	Chen, L.,Bai, ZL.,Zhu, L.,Zhang, LJ.,Cai, YW.,...&Wang, S.(2017).Ultrafast and Efficient Extraction of Uranium from Seawater Using an Amidoxime Appended Metal-Organic Framework.ACS APPLIED MATERIALS & INTERFACES,9(38),32446-32451.
MLA	Chen, L,et al."Ultrafast and Efficient Extraction of Uranium from Seawater Using an Amidoxime Appended Metal-Organic Framework".ACS APPLIED MATERIALS & INTERFACES 9.38(2017):32446-32451.