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[期刊论文]

A recycling method to disused adsorbent after removing copper ions

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author:

Yang, J. (Yang, J..) [1] | Lin, R. (Lin, R..) [2] | Lyu, H. (Lyu, H..) [3] (Scholars:吕海霞)

Indexed by:

Scopus PKU CSCD

Abstract:

We report an efficient and economical method for the reuse of disused adsorbents following copper ion adsorption. As the aqueous copper solution also contained phosphorus, this novel method in turn decreased the cost of alternative phosphorous removal processes. Following Cu(II) adsorption, magnetic chitosan-modified graphene oxide (MNPs@CS@GO) was directly applied in the adsorbtion of phosphate from the aqueous solution, removing the requirement for a separate elution process. The adsorbent was characterized by Fourier transform infrared spectroscopy (FTIR) both before and after Cu(II) and phosphate adsorption. The optimal conditions for the adsorption process were determined through variation of a number of experimental parameters, such as solution pH, contact time, and sorbent quantity. A maximum adsorption capacity of 11.4 mg·g-1 was recorded, and reproducibility of the adsorbent was favorable. Finally, the adsorption process fit well with the pseudo-second-order model. © 2016, Science Press. All right reserved.

Keyword:

Copper removal; Disused adsorbents; Phosphorous removal

Community:

  • [ 1 ] [Yang, J.]College of Materials Science and Engineer, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Lin, R.]College of Materials Science and Engineer, Fuzhou University, Fuzhou, 350108, China
  • [ 3 ] [Lyu, H.]College of Materials Science and Engineer, Fuzhou University, Fuzhou, 350108, China

Reprint 's Address:

  • 吕海霞

    [Lyu, H.]College of Materials Science and Engineer, Fuzhou UniversityChina

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Source :

Chinese Journal of Environmental Engineering

ISSN: 1673-9108

CN: 11-5591/X

Year: 2016

Issue: 11

Volume: 10

Page: 6425-6430

Cited Count:

WoS CC Cited Count:

30 Days PV: 2

操作日志

刘畅  2022-03-13 16:30:45  数据初审

管理员  2020-11-19 22:01:37  创建

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