alexa Abstract | Preparation, characterization and application of cellulose acetate-iron nanoparticles blend ultra filtration membranes

Journal of Chemical and Pharmaceutical Research
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Abstract

Ultra filtration (UF) membranes are widely applied for micromolecular solutes separation from aqueous streams especially in the field of effluent treatment of chemical process industries. A series of cellulose acetate (CA) blended with iron nanoparticles (modifier) ultrafiltration membranes were prepared by the phase-inversion technique in 100/0, 99.5/0.5, 98.5/1.5 and 97.5/2.5 % polymer blend compositions. The membranes prepared were characterized in terms of compaction, pure water flux, membrane hydraulic resistance, thermo mechanical analysis and water uptake. Surface and cross-sectional morphologies of the membranes were analyzed with scanning electron microscopy (SEM) and atomic force microscopy (AFM). UF characterization studies clearly indicated the better performance of 99.5% CA – 0.5% iron nanoparticles blend membrane in comparison with other synthesized UF membranes. The 99.5% CA – 0.5% iron nanoparticles blend UF membrane was applied to study the rejection of sulphates & organics (in terms of BOD, COD level) for a textile industry effluent. The results indicated almost an equivalent solute rejection percentage (%SR) in comparison to pure CA membranes but with an increased flux rate of separation.

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Author(s): S Velu K Rambabu and L Muruganandam

Keywords

Ultra filtration, Cellulose acetate, Iron nanoparticles, Membrane blending, Membrane characterization, nanoparticles

 
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