Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 138, Issue 8, Pages -Publisher
WILEY
DOI: 10.1002/app.49867
Keywords
cellulose acetate; composite membranes; separation techniques
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In this study, cellulose acetate (CA) nanocomposite ultrafiltration membranes were fabricated using copper oxide (CuO) nanoparticles, which effectively improved protein separation efficiency and antifouling performance. Among the membranes, the CA-0.5 nanocomposite membrane with 0.5 wt% of CuO exhibited superior hydrophilicity, water permeation, BSA separation, and antifouling performance, indicating its potential for various water and wastewater treatment applications.
Cellulose acetate (CA) nanocomposite ultrafiltration membranes are fabricated with copper oxide (CuO) nanoparticles with the aim of improving efficient protein separation and antifouling performance. CuO nanoparticles are synthesized from cupric nitrate using a wet precipitation method and characterized by FTIR and XRD. CA/CuO nanocomposite membranes fabricated using 0.5, 1.0, and 1.5 wt% of CuO nanoparticles individually by simple phase inversion technique. The CA nanocomposite membrane with 0.5 wt% of hydrophilic CuO exhibited enhanced PWF of 118.6 Lm(-2) h(-1)due to the improvement in porosity and water uptake. This is in good agreement with the enhanced hydrophilicity of the CA/CuO nanocomposite membranes results observed in surface contact angle and morphological investigations. Further, 95.5% of BSA separation and 94.7% of flux recovery ratio (FRR) indicates its superior antifouling potential caused due to the presence of the hydration layer at the CA/CuO membrane surface. Among all the fabricated membranes, the CA-0.5 nanocomposite membrane with 0.5 wt% of CuO exhibited superiorly improved hydrophilicity, water permeation, BSA separation, and antifouling performance indicates its potential use in water and wastewater treatment applications.
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