Vacuum enhanced membrane distillation for trace contaminant removal of heavy metals from water by electrospun PVDF/TiO2 hybrid membranes |
| |
Authors: | Rasoul Moradi Saeed Mahruz Monfared Younes Amini Abolfazl Dastbaz |
| |
Affiliation: | 1.Department of Chemical Engineering,University of Tehran,Tehran,Iran;2.Department of Chemical and Petroleum Engineering,Sharif University of Technology,Tehran,Iran;3.Department of Chemical Engineering,Isfahan University of Technology,Tehran,Iran |
| |
Abstract: | 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: | |
本文献已被 SpringerLink 等数据库收录! |
|