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author:

Liu, Ruilai (Liu, Ruilai.) [1] | Song, Jiangyan (Song, Jiangyan.) [2] | Zhang, Ziyi (Zhang, Ziyi.) [3] | Ji, Lichang (Ji, Lichang.) [4] | Yang, Weisen (Yang, Weisen.) [5] | Zhao, Jinyun (Zhao, Jinyun.) [6] | Jian, Shaoju (Jian, Shaoju.) [7] | Hu, Jiapeng (Hu, Jiapeng.) [8] | Ma, Jie (Ma, Jie.) [9]

Indexed by:

SCIE

Abstract:

Polyvinylpyrrolidone (PVP) dispersant was added to Ce/Zr metal-organic frameworks (MOFs), forming needlelike PVP@Ce/Zr-MOFs adsorbents via the hydrothermal method. The effects of solution pH, co-existing ions, reaction temperature, and PVP dosage on the performance of fluoride and phosphate elimination from aqueous solution were examined in batch adsorption experiments. The sorption behaviors were also revealed through adsorption thermodynamic and kinetic studies. The PVP@Ce/Zr-MOFs had an outstanding selectivity over a wide pH range. In addition, they selectively adsorbed phosphate and fluoride ions co-existing with common ions in simulated and real wastewater and maintained high efficiency in the existence of other anions. The sorption procedure was depicted with the pseudo-second order model and the Langmuir model. A mechanistic analysis revealed that fluoride and phosphorus were eliminated by PVP@Ce/Zr-MOFs via exchange interaction with hydroxide ions, electrostatic interactions with charged particles on the adsorbent surface, and the formation of strong inner-sphere complexes of Zr and Ce ions with the target phosphate and fluoride ions.

Keyword:

Adsorption Defluoridation Metal-organic framework Phosphate removal

Community:

  • [ 1 ] [Liu, Ruilai]Wuyi Univ, Key Lab Green Chem Technol Fujian Prov Univ, Fujian Prov Key Lab Ecoind Green Technol, Wuyishan 354300, Peoples R China
  • [ 2 ] [Song, Jiangyan]Wuyi Univ, Key Lab Green Chem Technol Fujian Prov Univ, Fujian Prov Key Lab Ecoind Green Technol, Wuyishan 354300, Peoples R China
  • [ 3 ] [Zhang, Ziyi]Wuyi Univ, Key Lab Green Chem Technol Fujian Prov Univ, Fujian Prov Key Lab Ecoind Green Technol, Wuyishan 354300, Peoples R China
  • [ 4 ] [Yang, Weisen]Wuyi Univ, Key Lab Green Chem Technol Fujian Prov Univ, Fujian Prov Key Lab Ecoind Green Technol, Wuyishan 354300, Peoples R China
  • [ 5 ] [Zhao, Jinyun]Wuyi Univ, Key Lab Green Chem Technol Fujian Prov Univ, Fujian Prov Key Lab Ecoind Green Technol, Wuyishan 354300, Peoples R China
  • [ 6 ] [Jian, Shaoju]Wuyi Univ, Key Lab Green Chem Technol Fujian Prov Univ, Fujian Prov Key Lab Ecoind Green Technol, Wuyishan 354300, Peoples R China
  • [ 7 ] [Hu, Jiapeng]Wuyi Univ, Key Lab Green Chem Technol Fujian Prov Univ, Fujian Prov Key Lab Ecoind Green Technol, Wuyishan 354300, Peoples R China
  • [ 8 ] [Ma, Jie]Wuyi Univ, Key Lab Green Chem Technol Fujian Prov Univ, Fujian Prov Key Lab Ecoind Green Technol, Wuyishan 354300, Peoples R China
  • [ 9 ] [Song, Jiangyan]Tongji Univ, Coll Environm Sci & Engn, Res Ctr Environm Funct Mat, State Key Lab Pollut Control & Resource Reuse, Shanghai 200092, Peoples R China
  • [ 10 ] [Ji, Lichang]Tongji Univ, Coll Environm Sci & Engn, Res Ctr Environm Funct Mat, State Key Lab Pollut Control & Resource Reuse, Shanghai 200092, Peoples R China
  • [ 11 ] [Ma, Jie]Tongji Univ, Coll Environm Sci & Engn, Res Ctr Environm Funct Mat, State Key Lab Pollut Control & Resource Reuse, Shanghai 200092, Peoples R China
  • [ 12 ] [Zhang, Ziyi]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350001, Peoples R China
  • [ 13 ] [Ma, Jie]Kashi Univ, Sch Civil Engn, Kashi 844000, Peoples R China

Reprint 's Address:

  • [Jian, Shaoju]Wuyi Univ, Key Lab Green Chem Technol Fujian Prov Univ, Fujian Prov Key Lab Ecoind Green Technol, Wuyishan 354300, Peoples R China;;[Hu, Jiapeng]Wuyi Univ, Key Lab Green Chem Technol Fujian Prov Univ, Fujian Prov Key Lab Ecoind Green Technol, Wuyishan 354300, Peoples R China;;[Ma, Jie]Wuyi Univ, Key Lab Green Chem Technol Fujian Prov Univ, Fujian Prov Key Lab Ecoind Green Technol, Wuyishan 354300, Peoples R China;;[Ma, Jie]Tongji Univ, Coll Environm Sci & Engn, Res Ctr Environm Funct Mat, State Key Lab Pollut Control & Resource Reuse, Shanghai 200092, Peoples R China;;[Ma, Jie]Kashi Univ, Sch Civil Engn, Kashi 844000, Peoples R China

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Source :

SEPARATION AND PURIFICATION TECHNOLOGY

ISSN: 1383-5866

Year: 2025

Volume: 371

8 . 2 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: 1

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