Tag: asphalt

Algae-based bio-asphalt for greener roads

Rich McEachran writes in the Guardian that, in the process of surfacing a road, layers of asphalt – which is composed mostly of bitumen (a byproduct of crude oil distillation) — are poured over an aggregate of crushed stone and sand. The asphalt acts as a glue, binding the mixture together to form asphalt concrete…

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Using algae to make bio-asphalt for roads

A consortium of French researchers has recently proved the viability of bio-asphalt, demonstrating its close similarity to the “real” asphalt used to pave roads. The findings are published in the April issue of the ACS Journal for Sustainable Chemistry and Engineering. The project, funded by the Region Pays de la Loire…

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