The acidic deep eutectic solvent fractionation strategy mediates the co-production of lignin-containing microfibrillated cellulose and lignin nanospheres from crop straw waste

Key Points

• Microfibrillated cellulose and lignin nanospheres were successfully produced from crop straw waste using deep eutectic solvent fractionation.
• The process yields high-quality lignin and cellulose, showcasing a sustainable method for biomass utilization.
• Fractionation strategy utilizes a novel acidic deep eutectic solvent to enhance the extraction efficiency.
• Utilizing crop straw waste as raw material can potentially reduce agricultural waste and promote sustainability.