Uppsala tests dedicated EPS sorting to divert foam from incineration

In late 2021, Uppsala Vatten, in partnership with EPS Sverige and Kungsbacka kommun, launched a pilot to separate expanded polystyrene (EPS, colloquially known as “frigolit”) directly at two recycling centers—Librobäck in Uppsala and Frillesås near Kungsbacka. Transparent collection bags were positioned next to combustible-waste containers to capture foam before it entered incineration streams (uppsalavatten.se).

Sorted EPS is then sent for compaction and processed into recycled polystyrene through mechanical recycling. Despite being a new stream, collection volumes in Uppsala exceeded expectations—prompting plans to scale separation at the larger Hovgården facility in 2022 (ivl.se).

System behind the solution

• Strategically located collection bags signal the foam’s value and make sorting intuitive for visitors.
• A public awareness effort explains the difference between EPS packaging, construction foam, and residual waste.
• Collected EPS is compacted and sent for mechanical recycling into new EPS products.

According to project lead Elin Belleza, the pilot exceeded targets: more foam was sorted than anticipated. Henrik Oxfall from EPS Sverige noted, “Over time, more residents will learn to dispose correctly, and the volumes will increase” (uppsalavatten.se).

Why this matters

This pilot turns an overlooked material into a recoverable resource by integrating it into existing recycling flows. EPS is widely recognized and easy to sort, yet often incinerated. Uppsala’s approach tackles contamination and volume early, demonstrating that visible separation and clear logistics enable functionally circular systems—prioritizing structure over slogans.

With compaction and mechanical recycling, EPS becomes part of a material cycle within Sweden’s broader waste ecosystem—helping move municipal recycling beyond packaging streams (uppsalavatten.se).

FACT BOX