Synthesis and study of RO performance of aromatic polyamide hydrazide membranes |
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Authors: | M P S Ramani and V Ramachandhran |
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Affiliation: | Desalination Division, Bhabha Atomic Research Centre, Trombay, Bombay 400 085 India |
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Abstract: | Aromatic polyamide hydrazide polymeric membranes were synthesized by dissolving freshly prepared polymer in dimethyl acetamide using lithium salt as additive. The effect of various casting parameters like polymer to solvent ratio, additive to polymer ratio, time and temperature of solvent evaporation, etc., on the RO membrane performance was studied. The membrane performance under various operational parameters like applied pressure, feed molarity and temperature are presented. The membranes prepared from the polymer samples were characterised in terms of pure water permeability constant (A) and solute transport parameter (DAM/Kδ). |
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