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<p>A unique nanocellulose (NC) reinforced polymer composite film (PSCN) was produced from polyethylene oxide (PEO), sodium alginate (SA), and corn starch (CS) following solution blending process. NC was chemically extracted from local banana stem fibers. Structural and morphological analysis was determined utilizing Fourier Transform Infrared (FTIR) spectroscopy and Scanning Electron Microscopy (SEM) respectively. Uniform dispersion of NC within the polymer composite was ensured by Energy Dispersive X-ray Spectroscopy (EDX). Adsorption performance of the PSCN towards the cationic methylene blue (MB) was investigated by variation of pH, time of contact, concentration of dye, and dose of adsorbent. A maximum of 79.11mg g<sup>− 1</sup> adsorption capacity was found at an optimum condition of pH 11, 100 ppm dye concentration, 80-minute contact time, and in the presence of 2&#xa0;g PSCN adsorbent. Here, equilibrium data was well with the Langmuir isotherm showing a single layer adsorption, whereas kinetic studies revealed chemisorption was dominant and showed pseudo second order model seemed to fit well. These findings indicate PSCN as an efficient, biodegradable, eco-friendly adsorbent useful for wastewater treatment.</p>

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Development of novel nanocellulose–polymer composite films for efficient wastewater purification

  • 期刊论文

  • 发表日期：

    2026年5月29日

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  • Marufa Khatun,
  • Ismat Ara Eti,
  • Owaleur Rahman,
  • Abdul Halim,
  • Afroza Khatun,
  • Jahangir Alam

摘要

A unique nanocellulose (NC) reinforced polymer composite film (PSCN) was produced from polyethylene oxide (PEO), sodium alginate (SA), and corn starch (CS) following solution blending process. NC was chemically extracted from local banana stem fibers. Structural and morphological analysis was determined utilizing Fourier Transform Infrared (FTIR) spectroscopy and Scanning Electron Microscopy (SEM) respectively. Uniform dispersion of NC within the polymer composite was ensured by Energy Dispersive X-ray Spectroscopy (EDX). Adsorption performance of the PSCN towards the cationic methylene blue (MB) was investigated by variation of pH, time of contact, concentration of dye, and dose of adsorbent. A maximum of 79.11mg g− 1 adsorption capacity was found at an optimum condition of pH 11, 100 ppm dye concentration, 80-minute contact time, and in the presence of 2 g PSCN adsorbent. Here, equilibrium data was well with the Langmuir isotherm showing a single layer adsorption, whereas kinetic studies revealed chemisorption was dominant and showed pseudo second order model seemed to fit well. These findings indicate PSCN as an efficient, biodegradable, eco-friendly adsorbent useful for wastewater treatment.