Researchers at RMIT University created biochar from used coffee grounds, replacing part of the sand in concrete. The result: up to 30% more strength and a carbon footprint cut by up to 26%. Real-world footpath trials are already underway — waste coffee becoming sustainable infrastructure.
(c) Devin Avery
(c) Devin Avery

Café usado fortalece el concreto y lo vuelve más limpio y sostenible

TECH XPLORE

Investigadores de RMIT transformaron posos de café usados en biocarbón que sustituye parte de la arena del concreto. La mezcla logra hasta un 30 % más de resistencia y reduce su huella de carbono hasta un 26 %. Pruebas reales en aceras ya avanzan, convirtiendo desechos cotidianos en infraestructura sostenible.

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