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Gholam Ali Koohmareh
Department of Chemistry, University of Isfahan, Isfahan, Iran
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Research Article
Preparation, Characterization, and Taguchi Optimization of Poly (Amide/Amic Acid) Thin Film Composite Membrane
Author(s): Gholam Ali Koohmareh*, Behnaz Ghalavand and Akbar Malekpour
A thin film composite membrane was prepared on a microporous membrane by in situ interfacial polycondensation of a new diamine containing amic acid with trimesoyl chloride. Diamine Amic Acid (DAAA) was synthesized from the reaction of pyromellitic dianhydride with aminoethyl piperazine and was characterized by FT-IR and 1H-NMR spectroscopies. The prepared membrane was characterized by ATR-IR technique and was evaluated from aspect of surface properties, morphology, and performance using AFM, SEM, contact angle, and cross-flow membrane module. Finally, Taguchi method has been used to investigate the effects of concentration of DAAA monomer, pH, reaction time, and curing time on permeation and rejection processes. The optimum conditions to reach the desired performance were obtained. The operating conditions in the optimum performance were obtained as follow: concen.. View more»