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Biodegradation and valorisation of plastic based food packets: a microbial solution for sustainability and circular economy
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This review examines how microorganisms can break down plastic-based food packaging and convert the waste into valuable chemical products, arguing that microbial biodegradation and valorization offers a sustainable pathway to reduce plastic pollution while supporting a circular economy.
The exponential increase in plastic waste, particularly from food packaging, necessitates innovative and sustainable solutions. Despite their advantageous properties such as cost-effectiveness and durability, the massive production of plastics has led to severe environmental issues. Conventional plastic waste management methods have severe environmental impacts such as groundwater pollution, air pollution, and clogged drainage systems. Thus, they are unable to mitigate crises sustainably. The improper disposal of plastics also affects tourism, nutrient production, and human health. Recent studies have explored the use of microorganisms to degrade plastics and produce valuable products including lactic acid, bis (2-hydroxyethyl) terephthalate (BHET), mono (2-hydroxyethyl) terephthalate (MHET), terephthalic acid (TPA/TA), and 2-hydroxyethyl benzoate. Biodegradation and valorization of plastic-based food packets through microbial processes offers a promising pathway to mitigate pollution and drive a circular economy, fostering sustainability for future generations. This study highlights the potential of microbial degradation as a sustainable solution for plastic waste management, with valorization processes transforming plastic waste into valuable resources.
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This review summarizes research on microbial degradation of PET plastic and how the breakdown products could be valorized into commercially useful bioproducts. Converting PET waste biologically into valuable chemicals offers a more sustainable alternative to landfilling or incineration.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.