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ORGANOSOLV PROCESS FOR THE EXTRACTION OF HIGHLY PURE LIGNIN AND PRODUCTS COMPRISING THE SAME
ORGANOSOLV PROCESS FOR THE EXTRACTION OF HIGHLY PURE LIGNIN AND PRODUCTS COMPRISING THE SAME
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机译:有机溶剂萃取高纯木质素及包含其的产品
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摘要
A highly pure lignin comprising a lignin content of at least 97% and characterized by a low carbohydrate content and substantially no sulfur content is disclosed herein. An organosolv process for extracting the highly pure lignin is also disclosed herein. The process comprises pretreating a lignocellulosic material in a first polar protic solvent, to remove extractive compounds and to provide a pretreated lignocellulosic material; and treating the pretreated lignocellulosic material with a Lewis acid in a second polar protic solvent.
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