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<p>In this work, a novel method is used for the fabrication of a polymer-derived activated carbon (AC) supported metal oxide (CuO) nanoparticles prepared from post-consumer cotton waste (CW). The resulting nano composite (CuO/nano-AC) was used as an adsorbent and photo oxidation from copper oxide and activated carbon by precipitation methods for organic compounds in the produced water by a digital baffle adsorption/photo oxidation batch reactor (DBAPOBR) and examination of the preparation by FTIR, FE-SEM, EDX, XRD, DRS, and BET. The prepared activated carbon with an average particle size of 80&#xa0;nm and surface area was 201.3&#xa0;m²/g and 177.3&#xa0;m²/g for the nano composite. The nano material showed a band gap energy of 2.47&#xa0;eV, representing its potential for improved adsorption and photo oxidation, with good agreement between untried and predicted results, with a determination coefficient of 82%, confirming the dependability of the developed regression. When associated to pure support, the new composite presented a notable development in adsorption presentation, representing the beneficial effect of copper oxide in increasing organic compounds in wastewater. The combined digital baffled batch reactor improved mass transfer and contact effectiveness, contributing to better-quality treatment presentation. The removal efficiency under various working conditions was studied in order to assess the surface efficiency of organic removal on prepared activated carbon, and treated with copper oxide, and their specific surface areas increased. The largest organic removal efficiencies were 98.5 and 88.4% of CuO/AC and AC at 1&#xa0;g, 3 pH, 60&#xa0;°C temperature, and 120&#xa0;min, respectively, obtained with the prepared activated carbon with copper oxide, which presented superior adsorption efficiency for organic removal in refinery wastewater.</p>

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Cotton-derived activated Carbon/CuO nano-photocatalyst for Organic-rich produced water treatment in a digital baffle adsorption–oxidation reactor

  • 期刊论文

  • 发表日期：

    2026年4月10日

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  • Hind J. Hadi,
  • Nada D. Ali,
  • kareem fadhel zageer,
  • Thabit. A. Ahmed,
  • Raid T. Al-khateeb,
  • Ali A. Hassan,
  • Jasim I Humadi

摘要

In this work, a novel method is used for the fabrication of a polymer-derived activated carbon (AC) supported metal oxide (CuO) nanoparticles prepared from post-consumer cotton waste (CW). The resulting nano composite (CuO/nano-AC) was used as an adsorbent and photo oxidation from copper oxide and activated carbon by precipitation methods for organic compounds in the produced water by a digital baffle adsorption/photo oxidation batch reactor (DBAPOBR) and examination of the preparation by FTIR, FE-SEM, EDX, XRD, DRS, and BET. The prepared activated carbon with an average particle size of 80 nm and surface area was 201.3 m²/g and 177.3 m²/g for the nano composite. The nano material showed a band gap energy of 2.47 eV, representing its potential for improved adsorption and photo oxidation, with good agreement between untried and predicted results, with a determination coefficient of 82%, confirming the dependability of the developed regression. When associated to pure support, the new composite presented a notable development in adsorption presentation, representing the beneficial effect of copper oxide in increasing organic compounds in wastewater. The combined digital baffled batch reactor improved mass transfer and contact effectiveness, contributing to better-quality treatment presentation. The removal efficiency under various working conditions was studied in order to assess the surface efficiency of organic removal on prepared activated carbon, and treated with copper oxide, and their specific surface areas increased. The largest organic removal efficiencies were 98.5 and 88.4% of CuO/AC and AC at 1 g, 3 pH, 60 °C temperature, and 120 min, respectively, obtained with the prepared activated carbon with copper oxide, which presented superior adsorption efficiency for organic removal in refinery wastewater.