LOPPINET-SERANI, Anne; REVERTE, Cédric; CANSELL, François; AYMONIER, Cyril

doi:10.1021/sc300058f

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LOPPINET-SERANI, Anne
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

REVERTE, Cédric
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

CANSELL, François
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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ACS Sustainable Chemistry & Engineering. 2013, vol. 1, n° 1, p. 110-117

American Chemical Society

Résumé en anglais

The biomass is the whole organic matter of vegetable or animal origin. This material can be valorized in various ways: it can be used by manufacturers (lumber, paper, and biochemistry); it can be used as energy (heat, electricity, and fuel); and it can be used as food or in cosmetics. Various processes are nowadays used to valorize biomass. This work deals with the potentialities of the biomass gasification in supercritical water. The objective is to demonstrate the potentiality of this process to treat some aqueous waste from distillery to obtain a syngas with a high hydrogen yield. The bioresources of this study come from some agricultural alcohol (beet, sugar cane, and cereal) and wine-producing distilleries. Experiments have been carried out at different conversion severities, using a 100 mL batch reactor, during 0-60 min, at a pressure of 25 MPa and at temperatures between 400 and 500 °C. Complete product analyses will be presented. Particularly detailed gas analyses have been performed. The sodium and potassium behaviors during the process have been accurately studied as a function of the substrate. Correlations between the experimental operating conditions and these analyses will be discussed in order to determine optimal experimental conditions to gasify this specific biomass.< Réduire

Mots clés en anglais

Supercritical water

Gasification

Biomass

Bioresource

Vinasse

Potassium

Sodium

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Supercritical water biomass gasification process as a successful solution to valorize wine distillery wastewaters

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