Life Cycle Assessment of the Enzymatic Reaction for Xylose Ester Synthesis
Palavras-chave:
Life cycle, sugar ester, xylsoeResumo
This study proposes a sustainable enzymatic process for the production of xylose esters using deep eutectic solvents (DES) based on xylose, which act simultaneously as solvent and substrate. The process was modeled using mass and energy balances in EMSO software, achieving ~85% conversion of xylose into esters. Life Cycle Assessment (LCA), conducted with SimaPro and the Ecoinvent 3.0 database, demonstrated lower environmental impacts compared to conventional biosurfactant routes, especially in categories such as fossil resource depletion and global warming potential. The use of DES enabled an anhydrous and biocompatible reaction medium, favoring lipase-catalyzed esterification under mild conditions. These results highlight the potential of integrating biocatalysis and green solvents for producing high-value bio-based surfactants from lignocellulosic biomass. However, further research is needed on purification steps to enhance product quality and process competitiveness. This work supports the development of efficient and eco-friendly technologies aligned with the bioeconomy and circular economy principles.
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