What is claimed is:
A system for fractionating lignocellulosic biomass, the system comprising:
a precipitation tank configured for precipitation of cellulose and hemicellulose, and for solubilization of lignin;a washer configured for washing the precipitated cellulose and hemicellulose; anda stripper configured for stripping solvent from the precipitated cellulose and hemicellulose;
wherein the system does not comprise a...
CROSS-REFERENCE TO RELATED APPLICATIONS
This application relies on and claims the benefit of the filing date of U.S. provisional patent application number 61/036,813, filed 14 March 2008, the entire disclosure of which is hereby incorporated herein by reference.