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Science and Engineering of Composite Materials

Editor-in-Chief: Hoa, Suong V.

Editorial Board: Hamada, Hiroyuki / Brandt, Andrzej M. / Duc, Nguyen Dinh / Ehrenstein, Gottfried Wilhelm / Hui, David / Lee, L. James / Medraj, Mamoun / Nakai, Asami / Nicolais, Luigi / Seferis, James C. / Tan, Kiang Hwee / Ton-That, Minh Tan / Xiao, Xinran / Zako, Masaru / Zhong, W.H. Katie

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IMPACT FACTOR 2017: 0.619

CiteScore 2017: 1.82

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2191-0359
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Volume 25, Issue 2

Issues

Adsorption removal of methylene blue from aqueous solution on carbon-coated Fe3O4 microspheres functionalized with chloroacetic acid

Zefei Zhang / Cholhwan Kim / Carlos Fernandez
  • School of Pharmacy and Life Sciences, Robert Gordon University, Garthdee Road, Sir Ian Wood Building, Aberdeen AB107GJ, United Kingdom of Great Britain and Northern Ireland
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/ Manickam Minakshi Sundaram
  • School of Engineering and Information Technology, Murdoch University, Murdoch, WA 6150, Australia
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/ Thippeswamy Ramakrishnappa
  • Center for Nano and Material Science, Global Campus, Jain University, Jakkasandra (P), Kankapura (T), 560001 Bangalore, Karnataka, India
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/ Yuhong Wang / Linshan Wang
  • Corresponding author
  • College of Sciences, Northeastern University, Shenyang 110004, China, Phone: +86 13604045464, Fax: 86-24-83684533
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/ Ting Sun / Xiaomin Hu
Published Online: 2016-08-17 | DOI: https://doi.org/10.1515/secm-2016-0138

Abstract

We report the preparation and employability of carbon-coated Fe3O4 (Fe3O4/C) microspheres functionalized with chloroacetic acid (CAA) for the removal of methylene blue (MB) in aqueous solution. The prepared magnetic microspheres (Fe3O4/C-CAA) were characterized by the following techniques: X-ray diffraction, transmission electron microscopy, Fourier-transform infrared spectrometer, vibrating sample magnetometry, and Brunauer-Emmett-Teller. The characterization results showed that Fe3O4/C microspheres were modified by CAA without any phase change. Fe3O4/C-CAA microspheres have higher adsorption capacity for MB compared to Fe3O4/C microspheres. The Langmuir, Freundlich, and Temkin adsorption models were applied to describe the equilibrium isotherms, and the Langmuir adsorption model fitted well with the equilibrium data. The pseudo-first-order and pseudo-second-order kinetic models were used to describe the kinetics data. However, the pseudo-second-order kinetic model fitted better with the adsorption kinetics data.

Keywords: adsorption; carbon-coated Fe3O4 nanoparticles; chloroacetic acid; methylene blue

References

About the article

Received: 2016-05-02

Accepted: 2016-07-23

Published Online: 2016-08-17

Published in Print: 2018-03-28


Citation Information: Science and Engineering of Composite Materials, Volume 25, Issue 2, Pages 353–361, ISSN (Online) 2191-0359, ISSN (Print) 0792-1233, DOI: https://doi.org/10.1515/secm-2016-0138.

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