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Paris, 8 April 2015

Bioasphalt : from microalgae to "green roads" ?

Microalgae offer a highly promising alternative to petroleum products without competing for resources used in the food industry. They have now been used for the first time to make — asphalt! Researchers at the CEISAM (Chimie et Interdisciplinarité: Synthèse, Analyse, Modélisation - CNRS / Université de Nantes), GEPEA (Génie des Procédés Environnement et Agroalimentaire - CNRS / Université de Nantes / ONIRIS / Ecole des Mines de Nantes), IFSTTAR (Matériaux pour Infrastructures de Transport) and CEMHTI (Conditions Extrêmes et Matériaux: Haute Température et Irradiation - CNRS), working in collaboration with the company AlgoSource Technologies, have proved the viability of bioasphalt, demonstrating its close similarity to the “real” asphalt used to pave roads. Their findings have been published in the April issue of ACS Sustainable Chemistry & Engineering.

To download the press release: Bio-bitumes

Bibliography:

Subcritical Hydrothermal Liquefaction of Microalgae Residues as a Green Route to Alternative Road Binders, Mariane Audo, Maria Paraschiv, Clemence Queffélec, Isabelle Louvet, Julie Hémez, Franck Fayon, Olivier Lépine, Jack Legrand, Mohand Tazerout, Emmanuel Chailleux, Bruno Bujoli, ACS Sustainable Chemistry & Engineering, volume 3, issue 4, p. 583–590.
DOI: 10.1021/acssuschemeng.5b00088. View web site

Contacts:

CNRS researcher l Bruno Bujoli l T +33 (0)2 51 12 54 21 l bruno.bujoli@univ-nantes.fr
CNRS press officer l Véronique Etienne l T +33 (0)1 44 96 51 37 l veronique.etienne@cnrs-dir.fr


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