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Abstract Deep eutectic solvents (DES) can be a promising medium for lignocellulose biomass processing. The present paper investigates suitable operating conditions for the DES pretreatment on coffee silverskin (CS), a… Click to show full abstract
Abstract Deep eutectic solvents (DES) can be a promising medium for lignocellulose biomass processing. The present paper investigates suitable operating conditions for the DES pretreatment on coffee silverskin (CS), a waste stream from the coffee industry. Choline chloride/glycerol was used as a low-cost DES, and the solid to solvent ratio and temperature were varied during processing. An optimal set of operating conditions (150 °C 1/16 biomass to solvent ratio) was proposed resulting in high glucose yields and low by-product formation. Moreover, the pretreated biomass was analyzed with XRD and SEM in order to disclose how DES pretreatment acts on the biomass structure.
Journal Title: Bioresource Technology Reports
Year Published: 2018
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