Method for the removal of hemicellulose, are located in the process circulation of hemicellulose hold strength alkaline solutions

摘要

Hemicellulose is removed from hemicellulose containing caustic solutions by adding thereto a sufficient amount of ethanol to precipitate the hemicellulose. The caustic solutions are generally obtained in the manufacture of viscose products or, more broadly, in processing natural products containing cellulose.