COOKING METHODS FOR THE PRODUCTION OF HIGH MOLECULAR LIGNIN AND CELLULIC FIBER SOURCE, AND TO PRODUCE HIGH FINISH PULP, FRACTION OF HIGH MOLECULAR WEIGHT AND PULP AND USE OF THE SAME, AND ONE FZ DIGESTER DIGESTION SYSTEM FIBER CELL

摘要

The present invention describes a cooking method and a digesting system wherein the partially digested cellulosic fiber source is compressed during cooking to provide high molecular weight lignin and pulp.