Sophie Dorge
University of Strasbourg
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Featured researches published by Sophie Dorge.
Bioresource Technology | 2010
Mejdi Jeguirim; Sophie Dorge; Gwenaelle Trouvé
The aim of this work was to study the thermal behavior of two herbaceous crops (Miscanthus giganthus, Arundo donax) obtained from energy plantations. Thermogravimetric analyses were performed at 5 degrees C min(-1) under air atmosphere. The thermal degradation rates in devolatilization and combustion steps, the initial degradation temperature, and the residual weight were determined. The gas emissions and Particle Matter (PM) were also quantified. The thermal behavior of energy crops depends on the chemical composition. In fact, the initial degradation temperature for A. donax under air atmosphere was lower than for M. giganthus. However, the thermal degradation rate was higher for M. giganthus. Kinetic expressions for the degradation rate in devolatilization and combustion steps have been obtained for both energy crops. The comparison of the gas and PM emissions showed the same order of magnitude for both energy crops. In fact, 26.8 mmol/g of CO, CO(2), VOC and 1.8 x 10(13) particles/g were mainly emitted.
International Journal of Green Energy | 2010
Mejdi Jeguirim; Sophie Dorge; Angélique Loth; Gwenaelle Trouvé
The thermal degradation, reactivity, emission characteristics, and kinetics of Miscanthus straw under inert atmosphere were studied using thermogravimetric analysis (TGA) at different heating rates. The thermal decomposition of Miscanthus straw occurs within a temperature ranging between 180°C and 600°C. Miscanthus has the highest reactivity compared to different agriculture residues tested in the same sequence. Assuming the addition of three independent parallel reactions corresponding to three pseudocomponents linked to the hemicellulose, cellulose, and lignin, three-pseudocomponent models were used to simulate the Miscanthus straw devolatilization. The presented data may have a contribution in developing energy recovery systems using Miscanthus straw as a feedstock.
Bioresource Technology | 2013
Yassine El may; Mejdi Jeguirim; Sophie Dorge; Gwenaelle Trouvé; Rachid Said
Emissions characteristics from the combustion of five date palm residues, DPR, (Date Palm Leaflets, Date Palm Rachis, Date Palm Trunk, Date Stones and fruitstalk prunings) in a laboratory scale furnace were investigated. Release of gaseous products such as CO2, CO, VOC, NOx and SO2 were measured at 600-800°C. The main goal was to analyze thermal behaviors and gaseous emissions in order to select the most convenient biofuel for an application in domestic boiler installations. Regards to biofuel characteristics, date stone have the highest energy density (11.4GJ/m(3)) and the lowest ash content (close to 1.2%). Combustion tests show that among the tested date palm residues, date stone may be the promising biofuel for the design of combustion processing system. However, a special attention to the design of the secondary air supply should be given to prevent high emissions of CO and volatile matters.
Energy | 2012
Yassine El may; Mejdi Jeguirim; Sophie Dorge; Gwenaelle Trouvé; Rachid Said
Waste and Biomass Valorization | 2011
Sophie Dorge; Mejdi Jeguirim; Gwenaelle Trouvé
Comptes Rendus Chimie | 2015
Imen Ghouma; Mejdi Jeguirim; Sophie Dorge; Lionel Limousy; Camelia Matei Ghimbeu; Abdelmottaleb Ouederni
Fuel Processing Technology | 2016
Pierrick Gaudin; Philippe Fioux; Sophie Dorge; Habiba Nouali; Matthieu Vierling; Emmanuel Fiani; Michel Molière; Jean-François Brilhac; Joël Patarin
Energy | 2014
Nesrine Kraiem; Mejdi Jeguirim; Lionel Limousy; Marzouk Lajili; Sophie Dorge; Laure Michelin; Rachid Said
Applied Catalysis B-environmental | 2016
Pierrick Gaudin; Sophie Dorge; Habiba Nouali; Matthieu Vierling; Emmanuel Fiani; Michel Molière; Jean-François Brilhac; Joël Patarin
Applied Catalysis A-general | 2015
Pierrick Gaudin; Sophie Dorge; Habiba Nouali; Damaris Kehrli; Laure Michelin; Ludovic Josien; Philippe Fioux; Loïc Vidal; Michel Soulard; Matthieu Vierling; Michel Molière; Jean-François Brilhac; Joël Patarin