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Membrane Water Treatment
  Volume 3, Number 3, July 2012 , pages 201-209

Development of membrane blend using casting technique for water desalination
A. EL-Gendi, S.S. Ali, S.A. Ahmed and H.A. Talaat

    Membrane separation technologies have some of advantages are considered a better alternative to traditional methods. Research of novel membranes is very vital for covering the higher required of membrane in several purposes like water desalting technology. In this work polyamide-6/ cellulose acetate (PA-6/CA) blend membrane was developed according to the wet phase inversion system. The structures of the prepared membranes were examined by scanning electron microscopy (SEM). SEM images showed uniform particles distribution in the prepared membranes. Moreover, SEM images revealed that the membranes have relatively uniform surface (PA-6/CA). PA-6/CA blend membranes systems are evaluated by using synthetic NaCl solution. The separation performance showed that salt rejection increased with increasing of heat treatment of the casted films and it was improved with increasing of operating pressure.
Key Words
    membrane blend; casting; desalination; polyamide; cellulose acetate
National Research Center, Chemical eng., El Buhouth St., Dokki, Cairo, 12311 Egypt

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