Subcritical Hydrothermal Liquefaction of Microalgae Residues as a Green Route to Alternative Road Binders - Conditions Extrêmes et Matériaux : Haute Température et Irradiation Accéder directement au contenu
Article Dans Une Revue ACS Sustainable Chemistry & Engineering Année : 2015

Subcritical Hydrothermal Liquefaction of Microalgae Residues as a Green Route to Alternative Road Binders

Résumé

The valorization of Scenedesmus sp. microalgae byproducts was investigated, as a potential route for the production of road binders from renewable sources. Under hydrothermal liquefaction conditions, a water-insoluble viscous material was obtained in a ca. 55% yield, which consists of an oily fatty acid-based fraction mixed with organic and inorganic solid residues (up to 22%). Although the chemical composition of the obtained materials completely differs from that of petroleum-based bitumen, similar viscoelastic properties were observed in some cases, depending on the hydrothermal liquefaction experimental conditions. A rheological simple material could thus be obtained, which compared well with a bitumen reference.
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hal-01204741 , version 1 (23-06-2021)

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Mariane Audo, Maria Paraschiv, Clémence Queffelec, Isabelle Louvet, Julie Hemez, et al.. Subcritical Hydrothermal Liquefaction of Microalgae Residues as a Green Route to Alternative Road Binders. ACS Sustainable Chemistry & Engineering, 2015, 3 (4), pp.583-590. ⟨10.1021/acssuschemeng.5b00088⟩. ⟨hal-01204741⟩
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