PROCESS FOR DELIGNIFYING VIRGIN AND POST-CONSUMER USED LIGNO-CELLULOSIC PLANT METERIALS FOR THE PURPOSE OF PREPARING CELLULOSIC FIBER, FREE SUGARS AND LIGNIN BY-PRODUCTS

摘要

A process for the preparation of free sugars, lignin, lignin by-products, and cellulose pulp using recyclable solvents which have lower critical solution temperatures.