Removal of Cadmium (II) by graphene oxide-chitosan adsorbent from aqueous solution

Sepehr Azizkhani, Ebrahim Mahmoudi, Norhafizah Abdullah, M. H. Shah Ismail, Abdul Wahab Mohammad, Siti Aslina Hussain

Research output: Contribution to journalArticle

Abstract

Pollution has a negative influence on the environment and is necessary to eliminate from wastewater and aqueous solution. There are several adsorbents for removing the pollution, among them Graphene oxide and Chitosan are proper elements with great uptaking ability. In this investigation, graphene oxide surface was coated with chitosan paricles to remove the Cadmium (II) from aqueous solution. The impact of concentration, pH and time were studied to achieve the optimum conditions of adsorption. The adsorbent was analyzed by TEM, FT-IR, XRD, and SEM analysis. The outcomes presented that the adsorbent was prepared successfully. The concentration item was tested from 10 to 120 ppm. The pH and time items were studied from 3 to 8 value and from 5 to 140 minutes for eliminating cadmium (II) respectively. Freundlich and Langmuir's models was used and the pseudo-second-order was the best fitted kinetic model in this investigation. Conclusively, the maximum adsorption ability of the made adsorbent was achieved at 107.8 mg/g based on Langmuir isotherm.

Original languageEnglish
Pages (from-to)5-8
Number of pages4
JournalInternational Journal of Engineering and Technology(UAE)
Volume7
Issue number3
DOIs
Publication statusPublished - 1 Jan 2018

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Graphite
Chitosan
Cadmium
Adsorbents
Oxides
Graphene
Adsorption
Waste Water
Pollution
Isotherms
Wastewater
Transmission electron microscopy
Scanning electron microscopy
Kinetics

Keywords

  • Adsorption
  • Cadmium
  • Chitosan
  • Graphene oxide

ASJC Scopus subject areas

  • Biotechnology
  • Computer Science (miscellaneous)
  • Environmental Engineering
  • Chemical Engineering(all)
  • Engineering(all)
  • Hardware and Architecture

Cite this

Removal of Cadmium (II) by graphene oxide-chitosan adsorbent from aqueous solution. / Azizkhani, Sepehr; Mahmoudi, Ebrahim; Abdullah, Norhafizah; Shah Ismail, M. H.; Mohammad, Abdul Wahab; Hussain, Siti Aslina.

In: International Journal of Engineering and Technology(UAE), Vol. 7, No. 3, 01.01.2018, p. 5-8.

Research output: Contribution to journalArticle

Azizkhani, Sepehr ; Mahmoudi, Ebrahim ; Abdullah, Norhafizah ; Shah Ismail, M. H. ; Mohammad, Abdul Wahab ; Hussain, Siti Aslina. / Removal of Cadmium (II) by graphene oxide-chitosan adsorbent from aqueous solution. In: International Journal of Engineering and Technology(UAE). 2018 ; Vol. 7, No. 3. pp. 5-8.
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