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author:

Gu, S.-Y. (Gu, S.-Y..) [1] | Hsieh, C.-T. (Hsieh, C.-T..) [2] | Gandomi, Y.A. (Gandomi, Y.A..) [3] | Yang, Z.-F. (Yang, Z.-F..) [4] | Li, L. (Li, L..) [5] | Fu, C.-C. (Fu, C.-C..) [6] | Juang, R.-S. (Juang, R.-S..) [7]

Indexed by:

Scopus

Abstract:

Magnetic activated carbon particles (MACP) were fabricated using a facile co-precipitation method and employed as an adsorbent for the removal of Cu ions from aqueous solutions. The application of magnetic Fe3O4 nanoparticles significantly enhanced the adsorption capacity and regeneration efficiency of the MACP adsorbents. The Fe3O4 magnetite loading onto the carbon matrix is a crucial factor for an efficient removal of copper ions. The Langmuir, Freundlich, and Dubinin-Radushkevich (D-R) adsorption models were used to validate the adsorption isotherms. Both the equilibrium rate constant (Langmuir model) and the adsorption energy (D-R model) show an increase in the deposition of magnetite nanoparticles. The presence of magnetic Fe3O4 nanoparticles further facilitates the regeneration efficiency of Cu-adsorbed intermediates from the MACP adsorbents. Superior magnetic property enabled via the utilization of Fe3O4 nanoparticles significantly enhanced the separation efficiency and regeneration of spent MACP adsorbents. Therefore, the design procedure explained in this work for preparing the MACP adsorbents can be adopted for various environmental applications dealing with separation processes. © 2018 Elsevier B.V.

Keyword:

Activated carbon; Composite adsorbent; Copper ions; Liquid-phase adsorption; Magnetite nanoparticles

Community:

  • [ 1 ] [Gu, S.-Y.]Fujian Provincial Key Laboratory of Functional Materials and Applications, Institute of Material Preparation and Applied Technology, School of Materials Science and Engineering, Xiamen University of Technology, Xiamen, Fujian 361024, China
  • [ 2 ] [Hsieh, C.-T.]Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan, 32003, Taiwan
  • [ 3 ] [Hsieh, C.-T.]Department of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee, Knoxville, TN 37996, United States
  • [ 4 ] [Gandomi, Y.A.]Department of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee, Knoxville, TN 37996, United States
  • [ 5 ] [Yang, Z.-F.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 6 ] [Li, L.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 7 ] [Fu, C.-C.]Department of Chemical and Materials Engineering, Chang Gung University, Guishan, Taoyuan 33302, Taiwan
  • [ 8 ] [Juang, R.-S.]Department of Chemical and Materials Engineering, Chang Gung University, Guishan, Taoyuan 33302, Taiwan
  • [ 9 ] [Juang, R.-S.]Division of Nephrology, Department of Internal Medicine, Chang Gung Memorial Hospital, Linkou, Taiwan

Reprint 's Address:

  • [Hsieh, C.-T.]Department of Chemical Engineering and Materials Science, Yuan Ze UniversityTaiwan

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Source :

Journal of Molecular Liquids

ISSN: 0167-7322

Year: 2019

Volume: 277

Page: 499-505

5 . 0 6 5

JCR@2019

5 . 3 0 0

JCR@2023

ESI HC Threshold:184

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 52

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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