Plastic Waste Conversion by Leveraging Renewable Photo/Electro-Catalytic Technologies.

Area of Science:

• Materials Science
• Chemical Engineering
• Environmental Science

Background:

• Plastic pollution poses a significant global environmental crisis.
• Linear "take-make-dispose" economic models are unsustainable for plastics.
• Transitioning to a circular economy for plastics is crucial.

Purpose of the Study:

• To systematically review renewable energy-driven plastic conversion strategies.
• To analyze photocatalysis, electrocatalysis, and their integrated systems.
• To highlight design principles, mechanisms, and system regulations for plastic conversion.

Main Methods:

• Review of recent scientific literature on plastic conversion technologies.
• Analysis of photocatalytic and electrocatalytic methods for plastic degradation and upcycling.
• Examination of reaction engineering and system design innovations.

Main Results:

• Photocatalysis and electrocatalysis offer high reactivity and selectivity under mild conditions.
• These methods provide alternative pathways for plastic conversion.
• Plastic upcycling yields valuable chemicals and fuels, supporting a circular economy.

Conclusions:

• Renewable energy-driven plastic conversion is a viable strategy for sustainability.
• Further innovations in reaction engineering and system design are needed.
• Challenges and future perspectives for these technologies are discussed.