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Research Papers by Gérald Pourcelly

Electromembrane process yields can be enhanced by using pulsed electric field. Electrodialysis experiments carried out on brackish water solutions show that the same level of desalination can be reached faster under pulsed field conditions. A model based on the Nernst–Planck equations is develope ...
Desalination 199 (2006)
The aim of this study is the determination of the ionic distribution versus the spatial coordinates within the membrane polymers. The confocal Raman spectroscopy is a useful tool for the study because it allows investigation of the species nature within materials. The studied membrane is a AW fro ...
Desalination 149 (2002)
The high acidity of passion fruit limits its addition in food preparation and gives poor aroma and flavour products. The reduction of the acidity of the fruit juice can avoid this problem. Various methods such as calcium precipitation, ion-exchange resins and electrodialysis (ED) with homopolar an ...
Desalination 149 (2002)
Apart from their stability in various operating conditions, the two main properties of ion-exchange membranes (IEMs) are the conductivity and selectivity, but both are difficult to obtain simultaneously at high values. This presentation deals with different ways of measurements, including specifi ...
Desalination 147 (2002)
Concentration dependencies of the membrane electric conductivity under alternating current and fluxes of anions through anion-exchange membranes (AEMs) under direct current were measured in 0.002–1.0 M sodium salt solutions of carbonic and phosphoric acids. Several commercial AEMs were studied ...
Desalination 147 (2002)
Grafting of aminosiloxane groups on PVDF supports was performed in a low-frequency plasma deposition process using a tetramethylsilane/ammoniac mixture. The morphology and thickness of plasma-grafted PVDF membranes were characterized by SEM observations; their chemical structure was determined b ...
Desalination 146 (2002)

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