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<p>The increasing need for economical and environmentally friendly wastewater treatment methods has made heterogeneous solar photocatalysis a viable option for degrading pharmaceuticals, dyes, microbiological and other persistent organic pollutants. This study inspects the recent development in reactor designs such as slurry reactors, immobilized systems, and other sophisticated geometries like parabolic and compound parabolic collectors, which concentrate light. Some noteworthy advancements are the utilization of photocatalyst-functionalized supports, micro structured reactor surfaces, sunlight concentrators and the use of hybrid systems which has improved the operational stability and degradation efficiencies. Additionally, issues such as mass transfer restrictions, reactor fouling, and catalyst recovery are also explored along with future prospects for large-scale application. Solar-driven photocatalysis is becoming a practical method for entrusted and environmentally friendly wastewater treatment as a result of advances in reactor engineering and material science.</p>

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Recent Advances in Heterogeneous Solar Photocatalytic Reactors for Wastewater Treatment

  • 期刊论文

  • 发表日期：

    2026年4月22日

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  • Muhammad Asif Hanif,
  • Khurram Shahzad,
  • Sara Yaqoob,
  • Arshid Mahmood Ali

摘要

The increasing need for economical and environmentally friendly wastewater treatment methods has made heterogeneous solar photocatalysis a viable option for degrading pharmaceuticals, dyes, microbiological and other persistent organic pollutants. This study inspects the recent development in reactor designs such as slurry reactors, immobilized systems, and other sophisticated geometries like parabolic and compound parabolic collectors, which concentrate light. Some noteworthy advancements are the utilization of photocatalyst-functionalized supports, micro structured reactor surfaces, sunlight concentrators and the use of hybrid systems which has improved the operational stability and degradation efficiencies. Additionally, issues such as mass transfer restrictions, reactor fouling, and catalyst recovery are also explored along with future prospects for large-scale application. Solar-driven photocatalysis is becoming a practical method for entrusted and environmentally friendly wastewater treatment as a result of advances in reactor engineering and material science.