화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.24, 266-275, April, 2015
DOI10.1016/j.jiec.2014.09.040  Export Citation
Assessment of antibacterial cellulose nanocomposites for water permeability and salt rejection
Sher Bahadar Khan1, 2, †, Khalid A. Alamry1, 3, Elham N. Bifari1, 3, Abdullah M. Asiri1, 2, Muhammad Yasir4, Lassaad Gzara5, and Rehan Zulfiqar Ahmad1, 5
  • 1Chemistry Department, Faculty of Science, King Abdulaziz University, PO Box 80203, Jeddah 21589, Saudi Arabia
  • 2Center of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, PO Box 80203, Jeddah 21589, Saudi Arabia
  • 3, Saudi Arabia
  • 4Special Infectious Agents Unit, King Fahd Medical Research Center, King Abdulaziz University, PO Box 80216, Jeddah 21589, Saudi Arabia
  • 5Center of Excellence in Desalination Technology, King Abdulaziz University, PO Box 80200, Jeddah 21589, Saudi Arabia
E-mail:
Anti-bacterial nanocomposites (NC1-NC4) based on cellulose acetate were prepared by dispersing ZnO nanofillers in the cellulose acetate matrix. Anti-bacterial nanocomposites were structurally and morphological examined by XRD (X-ray powder diffraction), FESEM (field emission scanning electron microscopy), and FT-IR (Fourier transform infrared) spectroscopy. All the spectroscopic techniques suggested that nanocomposites are successfully synthesized. All the nanocomposites showed anti-bacterial activity which increased as a function of zinc oxide. Further the selectivity of anti-bacterial nanocomposites was investigated toward different metal ions, including Zn2+, Cd2+, Pb2+, Mn2+, Ni2+, Fe2+, Al3+, Sb3+, and Sr3+. The selectivity data suggests that nanocomposites are more selective toward Fe2+. NC1 displayed highest uptake aptitude for Fe2+ with highest distribution coefficient of 7549.123 mL g?1. Therefore, NC1 was subjected to water permeability to explore the role of anti-bacterial nanocomposite as membrane for water purification. The results suggest that these materials are possibly appropriate for water treatments.
Keywords:Cellulose acetate;Nanocomposites;Anti-bacterial activity;Metal ion uptake;Water permeability
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