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PRETREATMENT OF LIGNOCELLULOSIC BIOMASS AND RECOVERY OF SUBSTITUENTS USING NATURAL DEEP EUTECTIC SOLVENTS/COMPOUND MIXTURES WITH LOW TRANSITION TEMPERATURES
PRETREATMENT OF LIGNOCELLULOSIC BIOMASS AND RECOVERY OF SUBSTITUENTS USING NATURAL DEEP EUTECTIC SOLVENTS/COMPOUND MIXTURES WITH LOW TRANSITION TEMPERATURES
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机译:使用低转变温度的天然深共熔溶剂/化合物混合物对木质纤维素生物质进行预处理和替代物的回收
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摘要
Low transition temperature mixtures (LTTMs) or solvents are provided that can be used in methods and systems to dissolve and hydrolyze certain components from lignin-containing biomass (e.g. lignin) at mild conditions so that further degradation is prevented. The solvents, methods and systems according to the invention have various advantages over prior technology or approaches. For example, LTTMs are cheap solvents, renewable and/or non-toxic food ingredients. LTTMs dissolve lignin selectively from a lignin-containing biomass. A highly efficient (up to 90%) lignin recovery can be achieved. The recovered lignin is of higher quality. The remaining cellulose is also of higher. Much less water is needed, which means a tremendous reduction of the energy requirement in the recovery process, i.e. less energy needed for evaporating large quantities of water.
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