Wastewater treatment using natural adsorbent incorporated polymeric mixed matrix membrane
Abstract
Organic pollutants like synthetic dyes are continuously discharged through industrial effluents and simultaneously contaminate the water streams. The present study focuses on the synthesis of an effective polymeric mixed matrix membrane (MMM) by incorporation of a natural adsorbent, corchorus stick powder (CSP) in polyvinyl chloride (PVC) matrix for the removal of crystal violet, a cationic dye from its aqueous solution. Three different polymer-CSP MMMs were synthesized by varying the amount of CSP (i.e. 0.5, 1.0, and 1.5 wt%) and termed as PC1, PC2, and PC3, respectively. The synthesized membranes were characterized by FTIR, XRD, TGA, SEM, and contact angle determination. The influence of operating pressure, feed concentration, and operating time on the water flux, permeate flux, and percent rejection were thoroughly investigated. Among these three MMMs, PC2 was found to show best result in terms of percent dye rejection.
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