Treatment of lignocellulosic biomass with aromatic chemicals as scavengers
AssigneeETH Zurich
InventorsPhilipp Rudolf von Rohr, Thomas Pielhop, Gastón Larrazábal Labrador
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Abstract
A method for using at least one compound as a scavenger, in particular as a scavenger in the hydrolytic treatment of lignocellulosic biomass is provided. The compound includes at least one aromatic ring substituted with at least two moieties each having a free electron pair, wherein the at least two moieties are arranged in meta-position to each other, and at least two alkyl or alkenyl moieties.
Claims29
A process for the production of a cellulosic feedstock by hydrolytic treatment of lignocellulosic biomass wherein at least one compound is added to the lignocellulosic biomass during at least one of before, during or after the aqueous treatment autohydrolysis of the lignocellulosic biomass, wherein the compound is selected from at least one compound of
- the general formula (II)
- wherein
- X1, X2, X3=OH,
- R=unsubstituted or substituted alkyl substituent(s) or unsubstituted or substituted alkenyl substituent(s), and
- n=2.
Dependencies are inferred from the claim text.