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Plastic Waste as a Challenge Cannot Be Ignored: Characteristics, Sources, Impacts, and Unveiling Potential Solutions through Photocatalysis for Environmental Sustainability
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This review examines the sources, characteristics, and environmental impacts of plastic waste, including how plastics degrade into micro- and nano-sized particles that spread through air, water, and soil. Researchers highlight photocatalysis as a promising green technology for breaking down plastic waste and potentially converting it into useful products. The study emphasizes that plastic pollution threatens both ecosystems and human health through food chain contamination and direct chemical exposure.
The extensive use and persistent physicochemical stability of plastics have given rise to a critical environmental issue, impacting terrestrial, freshwater, and marine ecosystems globally. This chapter delves into the characteristics, sources, and impacts of plastic waste while exploring potential solutions through photocatalysis to address these challenges in response to environmental sustainability. The occurrence of plastic waste has prompted concerns about its abundance, transportation, and decomposition. Plastic waste undergoes degradation into micro to nano-sized particles, facilitating their widespread dispersion in air, water, and soil. In marine environments, plastic debris poses a threat by entangling and endangering marine life. The repercussions extend beyond environmental boundaries, disrupting human lives as well. Human health faces direct consequences through exposure to chemicals derived from plastics, microplastic contamination of the food supply chain, and direct contact. In the quest for a sustainable future, photocatalysis emerges as a promising technology capable of mitigating environmental and health issues associated with plastic waste. Additionally, these processes are gaining recognition as green approaches, widely applicable for plastic degradation and upcycling into value-added products, thus proactively addressing environmental challenges. The findings advocate for the potential of photocatalysis as an excellent application for enhancing the degradability of plastics and managing waste effectively.
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Sustainable Treatment of Plastic Wastes with Photocatalytic Technologies: A Review
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Researchers review photocatalytic technologies as a sustainable approach to plastic waste management, examining how light-driven reactions can break down plastics or convert them into valuable chemicals and clean energy, offering a dual benefit of environmental remediation and resource recovery.
A Holistic Remedy to the Plastic Era Through a High-Performance Photocatalytic System
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This review paper takes stock of a promising technology called photocatalysis, which uses light (potentially sunlight) to break down harmful microplastics and even convert plastic waste into useful chemicals. Since plastic pollution—including the tiny microplastic particles we're increasingly exposed to through food, water, and air—poses growing risks to human health, this approach offers a more sustainable alternative to traditional recycling. The researchers highlight current limitations in the technology and outline what needs to improve before it can be widely used to tackle plastic waste.
Plastic Waste: Environmental Impact, Innovative Solutions, and Pathways to Sustainable Management
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This review assesses the environmental and health consequences of plastic pollution across terrestrial, aquatic, and aerial ecosystems, analyzing technological solutions including adsorption, photocatalytic degradation, and microbial decomposition. The authors argue for integrating novel technologies with circular economy frameworks to build a sustainable roadmap for plastic waste management.
Photocatalytic Upcycling of Plastic Waste: Mechanism, Integrating Modus, and Selectivity
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This review examines how photocatalysis, a process that uses light energy to drive chemical reactions, can transform plastic waste into useful products under mild and environmentally friendly conditions. Researchers compared photocatalytic approaches with other methods like heat-based and electrical catalysis, and explored how different experimental setups influence what end products are created. The study suggests that photocatalytic upcycling of plastics is a promising green technology, though challenges remain in improving efficiency and selectivity.
Photocatalytic Degradation of Plastic
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This review examines photocatalytic degradation as a method for breaking down plastic waste using light-activated chemical reactions. Photocatalytic approaches could offer a way to degrade both plastic debris and microplastics already present in the environment without generating toxic byproducts.
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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.