Krishnaveni Venugopal, Sangeetha Dharmalingam
The various desalination process parameters for the fabricated bipolar membrane electrodialysis unit were investigated in this paper by using functionalized polysulfone based monopolar and bipolar type of ion exchange membranes. In the case of bipolar membrane, platinum was used as the intermediate layer. The synthesized membranes were characterized using FTIR, SEM and TGA to evaluate them structurally, morphologically and thermally. A commercially procured ion exchange membrane made of polystyrene divinyl benzene was also evaluated for the purpose of comparison. The electrodialysis process using these ion exchange membranes reached a highest current efficiency of 68.6 % and 38 % with the energy consumption of 0.50 Wh and 1.60 Wh for the synthesized and commercial membrane respectively.
Electrodialysis; Brine Solution; Desalination; SEM; Membrane stack unit.