Introduction Polystyrene is everywhere used for food packaging, electronics, insulation, and more. Yet for decades, most polystyrene waste has ended up incinerated or landfilled, largely because it’s difficult to recycle contaminated or colored PS, and mechanical recycling offers only low-value, downcycled output. Sulzer EcoStyrene™ is changing the narrative, opening the door for truly circular, high-grade recycling even for the dirtiest, most contaminated polystyrene streams
