PROCESSES FOR EXTRACTING LIGNIN FROM BLACK LIQUOR
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 relates to processes for extracting lignin from black liquor. In particular， processes for both extracting acidic lignin and extracting alkaline lignin from black liquor are disclosed， comprising: precipitating lignin by acidification of black liquor; adjusting the temperature to above 60°C; cooling; separation; and displacement washing and/or washing by ion exchange.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
