화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.61, 236-243, May, 2018
DOI10.1016/j.jiec.2017.12.021  Export Citation
Reactivity of carbonized fungi supported nanoscale zero-valent iron toward U(VI) influenced by naturally occurring ions
Congcong Ding1, Wencai Cheng1, 2, †, Xiaoqin Nie1, 2, †, Facheng Yi1, Shuhong Xiang1, 2, Abdullah M. Asiri3, and Hadi M. Marwani3
  • 1Fundamental Science on Nuclear Wastes and Environmental Safety Laboratory, Southwest University of Science and Technology, Mianyang 621010, PR China
  • 2School of National Defence Science & Technology, Southwest University of Science and Technology, Mianyang 621010, PR China
  • 3Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
E-mail:,
More discrete and active nano-scale zero-valent iron (NZVI) particles were obtained by assembling them on the surface of carbonized fungi (F) in this study. NZVI/F composites can totally remove 0.25 mmol/L U(VI) in 0.5 h at pH 6.5. Both sorption and reductive precipitation of U(VI) resulted in the high removal. Preliminary evidence showed that the influence of ions (Na+, K+, Ca2+, Mg2+, and CO3 2-) on NZVI/F composites reactivity varied with system pH. Our findings could provide an essential start in the treatment of water containing U(VI) and multiply coexistent ions, and open the doorways for the application of NZVI/F composites.
Keywords:Zero-valent iron;Fungi;Uranium;Removal;Reduction
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