Reported herein is a new method for recycling polystyrene
(PS), in which special consideration is given to expanded
polystyrene (EPS) waste used in food and beverage packaging
applications. The diffi culties associated with EPS recycling
have been widely publicized. It is estimated that over
3 million tons of EPS are produced each year globally, with
roughly 70% of EPS products being single-use food and beverage
packaging.