A METHOD FOR NON-CATALYTIC DELIGNIFICATION OF BIOMASS INSIDE AN APPARATUS
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
The present invention provides a method for non-catalytic delignification of biomass， without externally added catalyst， with a mixed solvent of oxygenated organic solvent and water in the presence of an oxidant， at moderate temperature and pressure. Further， the separation of delignified cellulose from liquid mixture is carried out at around equivalent process conditions. Low kappa number delignified cellulose is obtained after separation of a liquid mixture containing a mixed solvent， hemicelluloses， lignin and traces of miscellaneous compounds. Furthermore， the method has lower chemical consumption in the downstream process， ease of operation and robustness. The present invention provides a method for non-catalytic delignification of biomass， without externally added catalyst， with a mixed solvent of oxygenated organic solvent and water in the presence of an oxidant， at moderate temperature and pressure. Further， the separation of delignified cellulose from liquid mixture is carried out at around equivalent process conditions. Low modified kappa number delignified cellulose is obtained after separation of a liquid mixture containing a mixed solvent， hemicelluloses， lignin and traces of miscellaneous compounds. Furthermore， the method has lower chemical consumption in the downstream process， ease of operation and robustness.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
