METHODS FOR REDUCING THE WATER REQUIREMENT AND ELIMINATING THE DISCHARGE OF IMPURITIES IN THE TREATMENT OF FIBROUS PLANT MATERIAL WITH ALKALI IN AQUEOUS SOLUTION IN ORDER TO ENHANCE AND IMPROVE THE FEED VALUE OF THE PLANT MATERIAL

摘要

1521508 Animal feeds F WEHTJE 9 Oct 1975 41363/75 Heading A2B Fibrous material such as straw is treated in countercurrent with alkali (e.g. NaOH) in aqueous solution, the first treatment (i.e. fresh straw) being treated with spent lye, fresh lye being used for the treatment of substantially treated straw, rinsing liquids and treatment liquids being dispensed stepwise in the system, fresh water being used only for rinsing the final treated material.