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author:

Fu, W. (Fu, W..) [1] | Ji, G. (Ji, G..) [2] | Chen, H. (Chen, H..) [3] | Yang, S. (Yang, S..) [4] | Guo, B. (Guo, B..) [5] | Yang, H. (Yang, H..) [6] | Huang, Z. (Huang, Z..) [7]

Indexed by:

Scopus

Abstract:

Acid mine wastewater from mining industries leads to serious environmental problems due to its acidic nature and high levels of hazardous heavy metal ions. Thus, it is important to develop novel adsorbent materials for selective removing heavy metal ions. In this work, an amorphous molybdenum sulphide functionalized dipicolyamine exchanger were prepared and ultilised to scavenge toxic heavy metal ions from both synthetic and real acid mine waste water (copper mining industry). This new exchanger combines the advantages of exceptional heavy metal affinities from molybdenum sulphide and engineered macroporous structure from dipicolylamine resin. The results of batch and fixed-bed column tests suggest high selectivity towards heavy metals, fast adsorption kinetics, good reusability and excellent adsorption capacities in the sequence of Hg(II)≫Cd(II) > Cu(II). The metal adsorption mechanism has been demonstrated by X-ray Photoelectron Spectroscopy (XPS). Our findings support the potential practical application of this new material for scavenging heavy metal ions in mining wastewater. © 2020 Elsevier B.V.

Keyword:

Acid mine wastewater; Adsorption at acidic pH; Heavy metal ions; Molybdenum sulphide; Surface modification

Community:

  • [ 1 ] [Fu, W.]School of Chemical Engineering, The University of Queensland, St Lucia, QLD 4072, Australia
  • [ 2 ] [Ji, G.]School of Chemical Engineering, The University of Queensland, St Lucia, QLD 4072, Australia
  • [ 3 ] [Ji, G.]School of Environmental Science and Technology, Dalian University of Technology, Linggong Road 2, Dalian, 116023, China
  • [ 4 ] [Chen, H.]School of Chemical Engineering, The University of Queensland, St Lucia, QLD 4072, Australia
  • [ 5 ] [Chen, H.]Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
  • [ 6 ] [Yang, S.]School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, Hubei 430070, China
  • [ 7 ] [Guo, B.]School of Zijin Mining, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 8 ] [Yang, H.]School of Environmental Science and Spatial Informatics, China University of Mining and Technology, Xuzhou, Jiangsu 21116, China
  • [ 9 ] [Huang, Z.]School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, China

Reprint 's Address:

  • [Fu, W.]School of Chemical Engineering, The University of QueenslandAustralia

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Source :

Separation and Purification Technology

ISSN: 1383-5866

Year: 2020

Volume: 251

7 . 3 1 2

JCR@2020

8 . 6 0 0

JCR@2022

ESI HC Threshold:139

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 60

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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