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Dilute Sulphuric Acid and Ethanol Organosolv Pretreatment of Miscanthus x Giganteus

Abstract : Three processes for the pretreatment of Miscanthus x Giganteus were compared, namely, dilute sulphuric acid treatment, an ethanol organosolv treatment and a two-step protocol involving a presoaking step prior to the ethanol organosolv treatment. The pretreatment assays were evaluated and compared on the basis of their Combined Severity factors. It was shown that the organosolv processes permitted an efficient removal of both lignin and hemicelluloses from the solid residue. A presoaking step prior to an organosolv process performed at low severity permitted to enhance the removal of lignin and hemicelluloses and the recovery of hemicellulose sugars.
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https://hal.univ-lorraine.fr/hal-03151509
Contributor : Nicolas Brosse <>
Submitted on : Wednesday, February 24, 2021 - 6:42:55 PM
Last modification on : Friday, February 26, 2021 - 3:11:23 AM
Long-term archiving on: : Tuesday, May 25, 2021 - 7:01:21 PM

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Nicolas Brosse, Roland El Hage, Poulomi Sannigrahi, Arthur Ragauskas. Dilute Sulphuric Acid and Ethanol Organosolv Pretreatment of Miscanthus x Giganteus. Cellulose Chemistry and Technology, Editura Academiei Romane, 2010, 44 (1-3), pp.71-78. ⟨hal-03151509⟩

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