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author:

Zhang, Ziyi (Zhang, Ziyi.) [1] | Chen, Xinyun (Chen, Xinyun.) [2] | Yu, Yongyi (Yu, Yongyi.) [3] | Pan, Wenbin (Pan, Wenbin.) [4] | Liu, Ruilai (Liu, Ruilai.) [5] | Song, Jiangyan (Song, Jiangyan.) [6] | Hu, Jiapeng (Hu, Jiapeng.) [7]

Indexed by:

SCIE

Abstract:

Phosphate and fluoride ions are common water pollutants whose presence and excessive discharge cause potential hazards to the environment and human health. MOF materials commonly used to remove phosphate and fluoride ions are usually in powder form, with low recovery during regeneration. Herein, to address these issues, Fe3O4@La-Zr-MOFs magnetic composites for phosphate and fluoride removal were fabricated by means of the hydrothermal method. The adsorption properties of the adsorbent were systematically assessed by means of adsorption experiments. The magnetic Fe3O4@La-Zr-MOFs exhibited a magnetic recovery efficiency of 93%, and they could maintain outstanding adsorption performance at a broad range of pH values and superior selectivity for phosphate and fluoride ions. The adsorption process conformed to the Langmuir isotherm and pseudo-second-order models, indicating that it was dominated by monomolecular chemisorption. Further characterization of the Fe3O4@La-Zr-MOFs before and after adsorption and kinetic thermodynamic investigation revealed that the elimination mechanism of phosphate and fluoride ions by Fe3O4@La-Zr-MOFs includes ion exchange, electrostatic interactions, and surface complexation. This study demonstrates that magnetic reusable Fe3O4@La-Zr-MOFs composites have great promise for phosphate and fluoride removal and recovery.

Keyword:

adsorption defluoridation metal-organic frameworks phosphate removal

Community:

  • [ 1 ] [Zhang, Ziyi]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350001, Peoples R China
  • [ 2 ] [Yu, Yongyi]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350001, Peoples R China
  • [ 3 ] [Pan, Wenbin]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350001, Peoples R China
  • [ 4 ] [Hu, Jiapeng]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350001, Peoples R China
  • [ 5 ] [Zhang, Ziyi]Wuyi Univ, Key Lab Green Chem Technol, Fujian Prov Key Lab Ecoind Green Technol, Fujian Prov Univ, Wuyishan 354300, Peoples R China
  • [ 6 ] [Chen, Xinyun]Wuyi Univ, Key Lab Green Chem Technol, Fujian Prov Key Lab Ecoind Green Technol, Fujian Prov Univ, Wuyishan 354300, Peoples R China
  • [ 7 ] [Yu, Yongyi]Wuyi Univ, Key Lab Green Chem Technol, Fujian Prov Key Lab Ecoind Green Technol, Fujian Prov Univ, Wuyishan 354300, Peoples R China
  • [ 8 ] [Liu, Ruilai]Wuyi Univ, Key Lab Green Chem Technol, Fujian Prov Key Lab Ecoind Green Technol, Fujian Prov Univ, Wuyishan 354300, Peoples R China
  • [ 9 ] [Hu, Jiapeng]Wuyi Univ, Key Lab Green Chem Technol, Fujian Prov Key Lab Ecoind Green Technol, Fujian Prov Univ, Wuyishan 354300, Peoples R China
  • [ 10 ] [Chen, Xinyun]Fujian Agr & Forestry Univ, Coll Resources & Environm, Fuzhou 350003, Peoples R China
  • [ 11 ] [Song, Jiangyan]Tongji Univ, Coll Environm Sci & Engn, Res Ctr Environm Funct Mat, State Key Lab Water Pollut Control & Green Resourc, Shanghai 200092, Peoples R China

Reprint 's Address:

  • [Hu, Jiapeng]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350001, Peoples R China;;[Liu, Ruilai]Wuyi Univ, Key Lab Green Chem Technol, Fujian Prov Key Lab Ecoind Green Technol, Fujian Prov Univ, Wuyishan 354300, Peoples R China;;[Hu, Jiapeng]Wuyi Univ, Key Lab Green Chem Technol, Fujian Prov Key Lab Ecoind Green Technol, Fujian Prov Univ, Wuyishan 354300, Peoples R China;;[Song, Jiangyan]Tongji Univ, Coll Environm Sci & Engn, Res Ctr Environm Funct Mat, State Key Lab Water Pollut Control & Green Resourc, Shanghai 200092, Peoples R China

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Source :

NANOMATERIALS

Year: 2025

Issue: 13

Volume: 15

4 . 4 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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