PROCESS FOR RECOVERING STARCH FROM RECYCLED PAPER OR CARDBOARD， USE OF THIS STARCH

The present invention relates to a process for recovering starch present in paper and / or cardboard， by: [a] preparation of an aqueous suspension A of fibers， [b] treatment of the aqueous suspension A and formation of two fractions: * fraction B containing water， fibers， fines and fillers， * fraction C containing dissolved and / or colloidal water and starch， fines and fillers， [c] separation of fraction C， into two fractions: * fraction D containing water and dissolved starch， * fraction E containing water and colloidal starch， fines and fillers， [d] use or treatment of fraction D， [e] use or recovery of fraction E.