화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.33, No.7, 2160-2168, July, 2016
DOI10.1007/s11814-016-0081-y  Export Citation
Vacuum enhanced membrane distillation for trace contaminant removal of heavy metals from water by electrospun PVDF/TiO2 hybrid membranes
Rasoul Moradi, Saeed Mahruz Monfared1, Younes Amini2, and Abolfazl Dastbaz†
  • Department of Chemical Engineering, University of Tehran, Tehran, Iran
  • 1Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
  • 2Department of Chemical Engineering, Isfahan University of Technology, Isfahan, Iran
E-mail:
Electrospun hybrid membranes were synthesized using electrospinning of Poly (vinylidenefluoride) - titanium tetraisopropoxide (PVDF-TTIP) sol. Asymmetric post-treatment of membrane conducted for deprotonation of titanate and making hydrophilic/hydrophobic dual characteristics. The membranes were characterized by various methods such as wettability, scanning electron microscopy, infrared spectroscopy, X-ray diffraction and liquid entry pressure tests. For evaluating the separation performance, these membranes were applied in the VMD process to treat water heavy metal contaminants. The effects of operating parameters such as flow rate, temperature and membrane properties as porosity, on contaminant removal and producing ultra-pure water have been studied.
Keywords:Vacuum Membrane Distillation;PVDF/TiO2;Hydrophobic Membrane;Permeability Measurement;Electrospinning;Metal Removal
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