화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.25, 207-215, May, 2015
DOI10.1016/j.jiec.2014.10.036  Export Citation
Novel nano-Fe3O4-encapsulated-dioctylphthalate and linked-triethylenetetramine sorbents for magnetic solid phase removal of heavy metals
Mohamed E. Mahmoud1, †, Amr A. Yakout1, 2, Kholoud H. Hamza1, and Maher M. Osman1
  • 1Faculty of Science, Chemistry Department, Alexandria University, PO Box 426, Alexandria 21321, Egypt
  • 2Department of Chemistry, Faculty of Science, North Jeddah, King AbdulAziz University, Jeddah, Saudi Arabia
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A simple and solvent-free method is proposed for synthesis of novel magnetic nano-sorbents. Dioctyl phthalate (DOP) was used to encapsulate nano-Fe3O4 and produce a nano-Fe3O4-DOP sorbent. This was treated with triethylenetetramine (TETA) in another solvent-free procedure for the formation of a novel nano-Fe3O4-DOP-TETA. The synthesized nano-sorbents were characterized by FT-IR, TGA, SEM and HR-TEM (3.0?12.0 nm). The magnetic solid phase sorption characteristics were studied and optimized. The potential applications of these magnetic solid phase extractors for removal of Ni(II), Cd(II) and Pb(II) from drinking tap water, industrial wastewater and sea water samples were accomplished using a multi-stage micro-column technique.
Keywords:Nano-Fe3O4;Magnetic nano-sorbents;Dioctyl phthalate;Triethylenetetramine;Magnetic solid phase extraction
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