ArticleACS omega2026
Multidimensional Sustainability Assessment of Chemical Valorization Pathways for PET Waste: A Literature-Based Early-Design-Stage Index Including Technology Readiness.
Article in ACS omega, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
0 citing papers in PubMed.
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Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Inadequate waste-management practices have led to significant environmental impacts, requiring the development of sustainable valorization alternatives. The exponential growth of plastic waste represents a major challenge that must be addressed through coordinated global strategies. Among polymers, polyethylene terephthalate (PET) is one of the most produced and used worldwide, mainly for food and beverage packaging. It offers significant opportunities for the implementation of circular economy practices due to its inherent properties. Chemical processes can effectively return PET to its original components by molecular transformation, facilitating its reintegration into the production cycle. This study established a sustainability assessment for the chemical valorization of PET waste, incorporating technological, economic, environmental, and social dimensions with their corresponding indicators, all based on data compiled from a comprehensive literature review. The technological dimension was defined to allow the decision-maker to compare the technological readiness level (TRL) of each pathway. A Sustainability Index (SI), using selected indicators, was developed and applied to evaluate seven chemical valorization pathways. The sustainability assessment identified the top three alternatives in a base case: glycolysis as the most sustainable pathway (SI = 0.20), followed by basic hydrolysis (∼0.22) and microbiological degradation (∼0.25). Additionally, a sensitivity analysis was conducted by varying the level of importance of the dimensions, revealing the most influential factors for each valorization pathway. These findings underscore the potential of these alternatives to address the complex challenge of PET waste management, offering more sustainable solutions compared to conventional practices such as landfilling or incineration.
Identifiers
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Registered trials
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