Yanyan YANG, Yongguo LI, Xiaowen ZHU, Xiao DU, Xuli MA, Xiaogang HAO. Potential Induced Reversible Removal/Recovery of Phosphate Anions with High Selectivity Using an Electroactive NiCo-layered Double Oxide Film [J]. Journal of Inorganic Materials, 2021, 36(3): 292
- Journal of Inorganic Materials
- Vol. 36, Issue 3, 292 (2021)
1. SEM images of NiCo-LDH (a, c) and NiCo-LDO (b, d), TEM (e) and HRTEM (f) images of NiCo-LDO
2. XRD patterns of NiCo-LDH and NiCo-LDO (a), full XPS (b), high resolution Co2p (c), and Ni2p (d) spectra of NiCo-LDO
3. Kinetic adsorption curves of PO43- on NiCo-LDO under ESIX or IX process (a), high resolution Co2p (b) and Ni2p (c) spectra of NiCo-LDO after oxidation
4. Competitive adsorption kinetics curves of PO43-, SO42-, I-, and Cl- onto NiCo-LDO in 21.19 mg/L PO43-, 21.71 mg/L SO42-, 21.64 mg/L I-, and 22.85 mg/L Cl- mixed solution
5. Recyclability test of NiCo-LDO for the removal of PO43-
6. High resolution P2p (A) and O1s (B) spectra of NiCo-LDO before (curves a) and after (curves b) oxidation
7. Illustration of the ESIX mechanism of NiCo-LDO for removal/recovery of PO43-
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Table 1. Calculated binding energy between anion-and NiCo-LDH
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Table 2. Comparison of the ion adsorption quantity with those reported PO43- ion adsorbents
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