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Emerging contaminants such as synthetic dyes pose significant challenges for conventional wastewater treatment technologies due to their chemical stability and recalcitrant nature. This chapter explores a sustainable and cost-effective approach to dye removal by developing a hybrid method that integrates trickling filter (TF) systems with advanced adsorption and biodegradation techniques. Specifically, acid-treated reed (Phragmites australis) adsorbents are combined with biological augmentation using immobilized actinomycetes to optimize contaminant removal. The acid treatment of reeds enhances their adsorption capacity, while the actinomycetes accelerate biodegradation to further improve dye removal efficiency. This hybrid TF approach is characterized through SEM, FTIR, and BET analysis, which confirm the structural and chemical enhancements of the adsorbents, setting the stage for a comparative evaluation against standalone TF systems in terms of efficiency, energy use, and cost-effectiveness. While TF systems have historically been a reliable technology for organic matter removal in municipal and industrial wastewater, they often face limitations in treating non-biodegradable contaminants. This research positions the hybrid system as a complementary solution, capable of overcoming these limitations by integrating the adsorption and biodegradation processes with existing TF setups. The chapter presents a comparative analysis of energy efficiency, cost-effectiveness, and contaminant removal rates between standalone TF systems and the proposed hybrid method. Additionally, the chapter explores the potential for practical applications in diverse industrial contexts, presenting case studies that highlight significant energy savings and operational benefits. Future research directions are suggested, focusing on the optimization of hybrid system designs and exploring innovative filter media. This work contributes to the field of wastewater treatment by offering a scalable and environmentally friendly alternative that aligns with global sustainability goals, emphasizing the integration of natural adsorbents and biological treatment methods with modern trickling filter technologies.

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Innovative Hybrid Trickling Filters Combining Adsorption and Bioaugmentation for Efficient Removal of Emerging Contaminants

  • 章节

  • 发表日期：

    2026年

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  • Sahar Ahmed El-Shatoury,
  • Cebel Magdy Iskander,
  • Howyda Elsayed Ibrahim,
  • Nasser Y. Mostafa,
  • Abdelazim Negm,
  • Hesham Mohamed Abdulla

摘要

Emerging contaminants such as synthetic dyes pose significant challenges for conventional wastewater treatment technologies due to their chemical stability and recalcitrant nature. This chapter explores a sustainable and cost-effective approach to dye removal by developing a hybrid method that integrates trickling filter (TF) systems with advanced adsorption and biodegradation techniques. Specifically, acid-treated reed (Phragmites australis) adsorbents are combined with biological augmentation using immobilized actinomycetes to optimize contaminant removal. The acid treatment of reeds enhances their adsorption capacity, while the actinomycetes accelerate biodegradation to further improve dye removal efficiency. This hybrid TF approach is characterized through SEM, FTIR, and BET analysis, which confirm the structural and chemical enhancements of the adsorbents, setting the stage for a comparative evaluation against standalone TF systems in terms of efficiency, energy use, and cost-effectiveness. While TF systems have historically been a reliable technology for organic matter removal in municipal and industrial wastewater, they often face limitations in treating non-biodegradable contaminants. This research positions the hybrid system as a complementary solution, capable of overcoming these limitations by integrating the adsorption and biodegradation processes with existing TF setups. The chapter presents a comparative analysis of energy efficiency, cost-effectiveness, and contaminant removal rates between standalone TF systems and the proposed hybrid method. Additionally, the chapter explores the potential for practical applications in diverse industrial contexts, presenting case studies that highlight significant energy savings and operational benefits. Future research directions are suggested, focusing on the optimization of hybrid system designs and exploring innovative filter media. This work contributes to the field of wastewater treatment by offering a scalable and environmentally friendly alternative that aligns with global sustainability goals, emphasizing the integration of natural adsorbents and biological treatment methods with modern trickling filter technologies.