The use of nanophotocatalysts for the effective mitigation of polycyclic aromatic hydrocarbons in aqueous phase
2022
Kukkar, Deepak | Kukkar, Preeti | Younis, Sherif A. | Kim, Ki Hyun
The mitigation of polycyclic aromatic hydrocarbons (PAHs) in the aqueous environment by physical and biological processes is a considerable challenge. Among various remediation approaches, heterogeneous photocatalysis is considered an efficient and eco-friendly option to convert PAHs into less harmful and/or biodegradable end products. This review provides a comprehensive overview of various nanophotocatalysts used to degrade PAHs in water based on their photocatalytic performances (e.g., in terms of quantum efficiency, space-time yield (SY), and figure-of-merit). Among photocatalysts, semiconductor metal oxides (e.g., TiO₂ and ZnO) and noble metal-doped graphene composites are identified as the most effective options due to their high photoactivity, low-cost, and tailorable structural/functional characteristics. The present and futuristic challenges in the development of photodegradation of PAHs in aqueous medium are also discussed to deliver a blueprint to construct high performance photocatalysts for their removal.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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