<trans-title>Potential Induced Reversible Removal/Recovery of Phosphate Anions with High Selectivity Using an Electroactive NiCo-layered Double Oxide Film</trans-title>

Yanyan YANG; Yongguo LI; Xiaowen ZHU; Xiao DU; Xuli MA; Xiaogang HAO

doi:10.15541/jim20200340

Journal of Inorganic Materials, Volume. 36, Issue 3, 292(2021)

Potential Induced Reversible Removal/Recovery of Phosphate Anions with High Selectivity Using an Electroactive NiCo-layered Double Oxide Film

Yanyan YANG^1,2, Yongguo LI³, Xiaowen ZHU¹, Xiao DU², Xuli MA², and Xiaogang HAO^2、*

Author Affiliations

¹1. School of Chemistry and Environmental Science, Shangrao Normal University, Shangrao 334001, China

²2. Department of Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China

³3. China Institute for Radiation Protection, Taiyuan 030006, China

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Figures & Tables(9)

1. SEM images of NiCo-LDH (a, c) and NiCo-LDO (b, d), TEM (e) and HRTEM (f) images of NiCo-LDO

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2. XRD patterns of NiCo-LDH and NiCo-LDO (a), full XPS (b), high resolution Co2p (c), and Ni2p (d) spectra of NiCo-LDO

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3. Kinetic adsorption curves of PO₄^3- on NiCo-LDO under ESIX or IX process (a), high resolution Co2p (b) and Ni2p (c) spectra of NiCo-LDO after oxidation

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4. Competitive adsorption kinetics curves of PO₄^3-, SO₄^2-, I^-, and Cl^- onto NiCo-LDO in 21.19 mg/L PO₄^3-, 21.71 mg/L SO₄^2-, 21.64 mg/L I^-, and 22.85 mg/L Cl^- mixed solution

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5. Recyclability test of NiCo-LDO for the removal of PO₄^3-

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6. High resolution P2p (A) and O1s (B) spectra of NiCo-LDO before (curves a) and after (curves b) oxidation

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7. Illustration of the ESIX mechanism of NiCo-LDO for removal/recovery of PO₄^3-

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Table 1. Calculated binding energy between anion-and NiCo-LDH
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Table 1. Calculated binding energy between anion-and NiCo-LDH
Anion-LDH E_cp/(kJ•mol^-1)
Cl^--LDH -455.88
I^--LDH -345.20
SO₄^2--LDH -813.90
PO₄^3--LDH -868.36

Table 2. Comparison of the ion adsorption quantity with those reported PO₄^3- ion adsorbents

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Table 2. Comparison of the ion adsorption quantity with those reported PO₄^3- ion adsorbents

Ion adsorbent	Adsorption quantity/(mg•g^-1)	Time/h	Ref.
Aluminum oxide hydroxide	36.27	4	[6]
Fe-Mn binary oxide	33.2	24	[29]
Hydroxy-aluminum	12.7	7	[30]
MgFe-Zr-LDH@magnetic particles	30	24	[31]
Am-ZrO₂	67.29	8	[32]
Mg-Fe-Cl LDH	9.8	6	[10]
Nano-La(III) (hydr)oxides	~55	10	[33]
La(OH)₃/Fe₃O₄	83.5	5	[5]
NiCo-LDO	159.36	6	This work

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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

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Paper Information

Category: RESEARCH PAPER

Received: Jun. 20, 2020

Accepted: --

Published Online: Dec. 8, 2021

The Author Email: HAO Xiaogang (tyutxghao@hotmail.com)

DOI:10.15541/jim20200340

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Calculated binding energy between anion-and NiCo-LDH

Table 1. Calculated binding energy between anion-and NiCo-LDH

Table 2. Comparison of the ion adsorption quantity with those reported PO43- ion adsorbents

Table 2. Comparison of the ion adsorption quantity with those reported PO43- ion adsorbents

Table 2. Comparison of the ion adsorption quantity with those reported PO₄^3- ion adsorbents

Table 2. Comparison of the ion adsorption quantity with those reported PO₄^3- ion adsorbents