Removal of Zinc (II) from aqueous phase by hybrid liquid membrane process
محل انتشار: اولین کنفرانس ملی شیمی کاربردی و نانوشیمی
سال انتشار: 1397
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 420
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شناسه ملی سند علمی:
CNCRT01_001
تاریخ نمایه سازی: 30 دی 1397
چکیده مقاله:
Removal of zinc (II) as a heavy metal is studied by applying a new design of hybrid cell for liquid membrane process. Tri-iso-octyl amine (TIOA) is used as the carrier in the organic phase. The concentration of zinc (II) in the samples is measured by atomic absorption spectroscopy. The effect of various parameters including type of supporting membrane, pH of feed and stripping phases, initial concentration of zinc (II), carrier concentration, type of solvent, and also organic film resistance on mass transfer rate and removal efficiency are studied. The effect of temperature on mass transfer flux is studied by proposing a prediction model. The optimum carrier concentration is found to be about 0.15 M. The appropriate values of pH for feed and stripping phases are about 1.4 and 12.8, respectively.
کلیدواژه ها:
نویسندگان
Valiollah Mandanipour
Department of Applied chemistry, University of Gonabad, Gonabad, Iran
Hamid Reza Mortaheb
Chemical and Chemical Enginereenge Research Senter of Iran, Tehran, Iran