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author:

Zheng, Z. (Zheng, Z..) [1] | Xu, K. (Xu, K..) [2] | Lu, F. (Lu, F..) [3] | Zhong, B. (Zhong, B..) [4] | You, L. (You, L..) [5] | Xiong, W. (Xiong, W..) [6] | Tang, T. (Tang, T..) [7] | Wang, S. (Wang, S..) [8]

Indexed by:

Scopus

Abstract:

A magnetic covalent organic framework Fe3O4@BM was prepared with melamine and 4–4′-biphenyldialdehyde as monomers and used as adsorbent for Ag NP removal. Fe3O4@BM was characterized by zeta potential analysis, transform infrared spectrometry, X-ray diffraction, thermogravimetric analysis, contact angle, and N2 adsorption–desorption. Fe3O4@BM possessed plentiful amino groups, positive potential, and rapid separation performance, making it a promising adsorbent for silver nanoparticles. The adsorption process followed the pseudo-second-order kinetic equation and Langmuir isotherm model. The maximum adsorption capacity of Ag NPs calculated by the Langmuir isotherm model was 544.9 mg/g. The adsorption product Fe3O4@BM@Ag could be recycled and efficiently catalyze the degradation of 4-nitrophenol within 6 min. Meanwhile, the recycled Fe3O4@BM@Ag could also be used as a surface-enhanced Raman substrate for DTNB detection, and the limit of detection of DTNB reached as low as 10–7 mol/L. This work prepared a promising adsorbent Fe3O4@BM for Ag NP adsorption and provided a sustainable approach for the recycling of the adsorption product Fe3O4@BM@Ag. © 2022, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

Keyword:

Adsorption Catalysis Covalent organic framework Magnetic material Silver nanoparticles Surface-enhanced Raman substrate

Community:

  • [ 1 ] [Zheng, Z.]College of Biological Science and Engineering, Fuzhou University, Fuzhou, 350116, China
  • [ 2 ] [Xu, K.]College of Biological Science and Engineering, Fuzhou University, Fuzhou, 350116, China
  • [ 3 ] [Lu, F.]Fujian Key Laboratory of Quality and Safety of Agri-Products, Institute of Agricultural Quality Standards and Testing Technology Research, Fujian Academy of Agricultural Sciences, Fuzhou, 350003, China
  • [ 4 ] [Zhong, B.]College of Biological Science and Engineering, Fuzhou University, Fuzhou, 350116, China
  • [ 5 ] [You, L.]College of Biological Science and Engineering, Fuzhou University, Fuzhou, 350116, China
  • [ 6 ] [Xiong, W.]College of Biological Science and Engineering, Fuzhou University, Fuzhou, 350116, China
  • [ 7 ] [Tang, T.]College of Biological Science and Engineering, Fuzhou University, Fuzhou, 350116, China
  • [ 8 ] [Wang, S.]College of Biological Science and Engineering, Fuzhou University, Fuzhou, 350116, China

Reprint 's Address:

  • [You, L.]College of Biological Science and Engineering, China

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Related Keywords:

Source :

Environmental Science and Pollution Research

ISSN: 0944-1344

Year: 2023

Issue: 12

Volume: 30

Page: 34636-34648

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JCR@2023

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JCR@2023

ESI HC Threshold:33

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 9

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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