Current advances in ionic liquid-based pre-treatment and depolymerization of macroalgal biomass

作者: Teklebrahan G. Weldemhret , Angelo B. Bañares , Kristine Rose M. Ramos , Won-Keun Lee , Grace M. Nisola

DOI: 10.1016/J.RENENE.2020.01.054

关键词: BiomassIonic liquidPre treatmentDissolutionCarbon fixationPulp and paper industryPhotosynthetic efficiencyChemistryLigninDepolymerization

摘要: Abstract Macroalgae are promising renewable energy resources due to their high biomass production rate, photosynthetic efficiency, faster growth low lignin content, and higher CO2 fixation capability. The conventional methods for macroalgae pre-treatment involve energy-intensive processes that require pressure elevated temperatures, often requiring alkali or acidic compounds. Recently, ionic liquids gaining interest as environmentally benign solvents ability deconstruct the cell wall under relatively milder conditions. In this review, current developments involving IL-based technologies discussed. A brief background about its traditional presented. Different IL approaches then discussed, highlighting dissolution mechanism selection criteria an effective IL. Unique strategies, such ILs, blends, task specific ILs bio-ILs also explored. Finally, challenges opportunities related processing using addressed.

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