Abstract
The amounts of plastics consumed annually all over the world have been growing substantially. Although low density, strength, user-friendly designs, processing capabilities, long life, as well as light weight coupled with high cost-effectiveness make plastics very promising candidates for several applications, they however have ecological issues in terms of waste disposal which has become a major worldwide problem. In fact, there are both technological and economic issues preventing progresses in this field. Here, an overview of the recycling and recovery of polymer waste is provided, followed by a brief discussion on the current recycling methods and technologies covering primary (re-extrusion), secondary (mechanical), tertiary (chemical), and quaternary (energy recovery) processes. Global polymer recycling markets are then reviewed.
Keywords: Plastic waste, recycling methods, energy recovery, polyethylene, polypropylene, polyethylene terephthalate, polystyrene, polyvinyl chloride.
Graphical Abstract
Call for Papers in Thematic Issues
Exploring the Role of Chemical Graph Theory in Advancing Current Organic Synthesis
Organic synthesis is a fundamental discipline in chemistry, crucial for the creation of complex molecules with diverse applications in pharmaceuticals, materials science, and beyond. However, the process of designing efficient synthetic routes for target molecules remains challenging. Chemical graph theory, a branch of theoretical chemistry, offers powerful tools for understanding ...read more
Photoswitches for Molecular Recognition
This Special Issue would cover the hot topics on synthesis and chemical and photophysical characterization of new photoswitchable derivatives and their applications on molecular recognition of metabolites and biological active compounds, both in physiological medium and in living cells. Photoswitches are compounds that can change their conformation or properties in ...read more
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