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Removal of lead(II) from aqueous solution using polyacrylonitrile/zinc oxide activated carbon nanofibers

Abdullah, Norfadhilatuladha and Tajuddin, Muhamad Hanis and Yusof, Norhaniza and Jaafar, Juhana and Aziz, Farhana and Misdan, Nurasyikin (2017) Removal of lead(II) from aqueous solution using polyacrylonitrile/zinc oxide activated carbon nanofibers. Malaysian Journal Of Analytical Sciences, 21 (3). pp. 619-626. ISSN 13942506

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This study aimed to prepare activated carbon nanofibers (ACNFs) from polyacrylonitrile (PAN) and zinc oxide (ZnO) via electrospinning process for removal of lead from aqueous solution. The ACNFs/ZnO were characterized in term of its morphological changes, specific surface area and functional groups analysis using Field Emission Scanning Electron Microscope (FESEM), Brunauer–Emmett–Teller (BET) and Fourier Transform Infrared (FTIR) analysis, respectively. The results showed that the specific surface area (SSA) of the ACNFs/ZnO were higher than the neat ACNFs which were 163.04 m2/g as compared to 67.6 m2/g, accordingly. FESEM analysis illustrated that composite ACNFs possessed more compact fibers with presence of ZnO beads and smaller fiber diameter whereas neat ACNFs possessed more aligned nanofibers with larger fiber diameter. Adsorption study showed that the composite ACNFs possessed higher capacity which was 120.3 mg/g as compared to 77.6 mg/g of neat ACNFs. This excellent adsorption performance of ACNFs PAN/ZnO exhibits the potential of this composite adsorbent to solve the environmental issue of heavy metal contamination.

Item Type: Article
Uncontrolled Keywords: Activated carbon; activated carbon nanofiber; adsorption capacity; lead adsorption
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Engineering Technology > Department of Mechanical Engineering Technology
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 20 Feb 2019 08:13
Last Modified: 20 Feb 2019 08:13
URI: http://eprints.uthm.edu.my/id/eprint/10763
Statistic Details: View Download Statistic

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