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Relation structure/réactivité en conversion hydrothermale des macromolécules de lignocellulose

Abstract : This work deals with the study of the reaction pathway during the lignocellulosicconstituent liquefaction by water near its critical point. Experimental method consists ininvestigation of lignocellulosic model compounds conversion in pilot plant combined withdevelopment of a new multitechnique analytical approach in order to characterizeproduct chemical structures and molecular weights. Results show that reaction pathwaysare very complex consisting to several fragmentation and condensation competitivereactions. The kinetic study with different reaction times reveals an important differenceof comportment for the glucidic fraction than the lignin fraction of biomass.
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Submitted on : Wednesday, February 2, 2011 - 6:05:50 PM
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Jérémie Barbier,. Relation structure/réactivité en conversion hydrothermale des macromolécules de lignocellulose. Matériaux. Université Sciences et Technologies - Bordeaux I, 2010. Français. ⟨tel-00562111⟩

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