Recycled PET-derived MOF for photocatalytic degradation of emerging pollutants: Recent progress and critical considerations
Silerio-Vázquez F.D.J. Hosseini-Bandegharaei A. Abdikalykov R. Baigenzhenov O. Kakavandi B. Robledo-Peralta A.
1 January 2026Academic Press Inc.
Environmental Research
2026#288
Plastic pollution, especially from polyethylene terephthalate (PET), represents a major environmental crisis, with annual global production exceeding 70 million tons and persistently low recycling rates. Traditional recycling methods have notable limitations, and PETs environmental persistence exacerbates ecological and health risks. Simultaneously, emerging water pollutants such as pharmaceuticals, synthetic dyes, and pesticides often evade conventional treatment systems, requiring more advanced remediation strategies. This review explores the intersection of these challenges through the development of metal–organic frameworks (MOF) synthesized from recycled PET waste for photocatalytic degradation of emerging pollutants in water. PET is chemically depolymerized into terephthalic acid linkers, enabling the fabrication of high-performance photocatalysts that tackle both plastic accumulation and water contamination. Recent progress shows that PET-derived MOF can achieve degradation efficiencies above 90 % for a broad spectrum of pollutants under artificial and solar light. Performance has been further enhanced by strategies incorporating Fenton-like processes, sulfate radical generation, and photothermal activation, while multifunctional systems allow for simultaneous pollutant degradation and antimicrobial disinfection or hydrogen evolution. Synthesis innovations, including one-pot hydrothermal and mechanochemical approaches, have reduced complexity and energy demand. Nonetheless, critical challenges remain regarding real-world deployment, including limited testing in complex water matrices, the absence of scalable photocatalytic systems, and a lack of techno-economic and lifecycle assessments. This review highlights barriers from PET sourcing to photocatalyst durability and outlines research priorities to support implementation. Valorizing PET into MOF offers a promising route toward circular economy solutions, provided that scalability, cost, and environmental impact are thoroughly addressed.
Advanced oxidation processes , Emerging contaminants , MOF-based photocatalysts , Recycled PET , Waste valorization
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CIIDIR-Durango, Instituto Politécnico Nacional, Calle Sigma 119, Fraccionamiento 20 de Noviembre II, C. P., Durango, 34220, Mexico
Faculty of Chemistry, Semnan University, Semnan, Iran
Department of Sustainable Engineering, Saveetha School of Engineering, SIMATS, Tamil Nadu, Chennai, 602105, India
Centre of Research Impact and Outcome, Chitkara University, Punjab, Rajpura, 140417, India
Department of Pharmaceutical Disciplines, Astana Medical University, Astana, Kazakhstan
Department of Metallurgical Engineering, Satbayev University, Almaty, Kazakhstan
Department of Environmental Health Engineering, Alborz University of Medical Sciences, Karaj, Iran
National Technological Institute of Mexico / I.T. Durango, Masters Degree in Environmental Systems, Felipe Pescador 1830 East, Nueva Vizcaya Colony, Postal Code 34080, Durango Dgo, Mexico
CIIDIR-Durango
Faculty of Chemistry
Department of Sustainable Engineering
Centre of Research Impact and Outcome
Department of Pharmaceutical Disciplines
Department of Metallurgical Engineering
Department of Environmental Health Engineering
National Technological Institute of Mexico / I.T. Durango
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