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<p>This study reports the fabrication of cellulose acetate (CA) membranes with varying compositions of microcrystalline cellulose (MCC), sodium alginate (SA), and their combination via the NIPS technique. The CA4 membrane (1% MCC/SA) exhibited optimal performance, with a flux recovery ratio of 73.14%, humic acid rejection of 71.78%, a pure water flux of 221.90&#xa0;L·m⁻²·h⁻¹, a tensile strength of 2.42&#xa0;MPa, and 51% biodegradation. Characterizations using SEM, FTIR, and water contact angle confirmed improved morphology, chemical interaction, and hydrophilicity. These findings highlight CA4 as an effective microfiltration membrane for humic acid removal.</p>

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Preparation of biodegradable MCC/alginate incorporated cellulose acetate membrane for effective humic acid removal

  • 期刊论文

  • 发表日期：

    2026年3月20日

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  • Steffy Annie Varughese,
  • S. Gokul,
  • P. Keerthi

摘要

This study reports the fabrication of cellulose acetate (CA) membranes with varying compositions of microcrystalline cellulose (MCC), sodium alginate (SA), and their combination via the NIPS technique. The CA4 membrane (1% MCC/SA) exhibited optimal performance, with a flux recovery ratio of 73.14%, humic acid rejection of 71.78%, a pure water flux of 221.90 L·m⁻²·h⁻¹, a tensile strength of 2.42 MPa, and 51% biodegradation. Characterizations using SEM, FTIR, and water contact angle confirmed improved morphology, chemical interaction, and hydrophilicity. These findings highlight CA4 as an effective microfiltration membrane for humic acid removal.