Coffee grounds that usually end up being thrown away can have a second life as a raw material for producing biofuels and other high-value-added products. A study by the Universitat Rovira i Virgili (URV) has evaluated how to extract oil from coffee grounds efficiently while preserving the rest o...

Source: [Phys.org](https://phys.org/news/2026-07-spent-coffee-grounds-reveal-route.html)

Sponsored