8 research outputs found
Enjeux et politique de la recherche dans les différents domaines de l'éducation scientifique
No full textConversion of wheat straw to furfural and levulinic acid in a concentrated aqueous solution of betaine hydrochloride
No full textInternational audienceGlycine betaine hydrochloride (BHC), a safe acid industrially produced from the largely available glycine betaine isolated from the manufacture of sugar from beet, was used in combination with water to produce sustainable reaction media capable of selectively converting agricultural wastes to furfural and levulinic acid. At the end of the process, BHC can be conveniently recovered and recycled. Under optimized conditions, furfural was produced with 65% and 73% yield from wheat straw and xylan originated from beechwood, respectively. More importantly, by closely controlling the reaction temperature, it was possible to selectively drive the reaction either to xylose, furfural or levulinic acid. This process based on the use of biodegradable and safe BHC opens a sustainable route for the production of valuable fine chemicals from lignocellulosic biomass
Dialysis-Free and in Situ Doping Synthesis of Polypyrrole@Cellulose Nanowhiskers Nanohybrid for Preparation of Conductive Nanocomposites with Enhanced Properties
No full textModification of hemp fibers through alkaline attack assisted by mechanical milling: effect of processing time on the morphology of the system
No full textHydrophobic cellulose ester as a sustainable material for simple and efficient water purification processes from fatty oils contamination
No full textCO2 capture and preparation of spindle-like CaCO3 crystals for papermaking using calcium carbide residue waste via an atomizing approach
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