期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 61, 期 -, 页码 236-243出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2017.12.021
关键词
Zero-valent iron; Fungi; Uranium; Removal; Reduction
资金
- China National Natural Science Foundation [21707110, 41703118, 41502316]
- Doctor Foundation of Southwest University of Science and Technology [16zx7155, 16zx7154, 15zx7109]
More discrete and active nano-scale zero-valent iron (NZVI) particles were obtained by assembling them on the surface of carbonized fungi (F) in this study. NZVI/F composites can totally remove 0.25 mmol/L U(VI) in 0.5h at pH 6.5. Both sorption and reductive precipitation of U(VI) resulted in the high removal. Preliminary evidence showed that the influence of ions (Na+, K+, Ca2+, Mg2+, and CO32-) on NZVI/F composites reactivity varied with system pH. Our findings could provide an essential start in the treatment of water containing U(VI) and multiply coexistent ions, and open the doorways for the application of NZVI/F composites. (C) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier By. All rights reserved.
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