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Acrylonitrile-grafted recycled papers for Ni(II) ions removal

N. A., Awang and W. N. W., Salleh and S. Z. N., Ahmad and N. H., Ismail and N., Rosman and Norazlianie, Sazali and H., Ibrahim and A. F., Ismail (2021) Acrylonitrile-grafted recycled papers for Ni(II) ions removal. Materials Today: Proceedings. pp. 1-6. ISSN 2214-7853 (In Press)

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Recently, naturally occurring biopolymers have gained interests in its application as adsorbent for the removal of metal ions. The graft copolymerization modification of acrylonitrile monomer in the presence of ceric ammonium nitrate was successfully done on extracted recycled papers. The fabricated grafted adsorbent was analyzed by using scanning electron microscopy (SEM) with energy dispersive X-ray (EDX) mapping, X-ray powder diffraction (XRD), as well as Fourier-transform infrared spectroscopy (FTIR). The parameters of the adsorption process were varied for the pH of the solution, concentration of Ni(II) ions, and time duration. As a result, the most optimum condition was achieved at pH 5 with 160 mg/L in a duration of 1 h, which reached 317.5 mg/g equivalent to 79.3% removal. The adsorption behavior tallied with Freundlich and Pseudo-second-order for adsorption and kinetic models, respectively. Convincingly, acrylonitrile-grafted recycled papers are able to be competitive and act as an efficient adsorbent in metal ions removal.

Item Type: Article
Uncontrolled Keywords: Cellulose-based adsorbent; Recycled papers; Graft copolymerization; Ni (II) ions removal
Subjects: T Technology > TP Chemical technology
Faculty/Division: Centre of Excellence: Centre of Excellence for Advanced Research in Fluid Flow
Faculty of Mechanical and Automotive Engineering Technology
Depositing User: Noorul Farina Arifin
Date Deposited: 04 Feb 2021 08:42
Last Modified: 04 Feb 2021 08:42
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