D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
D21H23/22—Addition to the formed paper
D21H23/66—Treating discontinuous paper, e.g. sheets, blanks, rolls
D—TEXTILES; PAPER
D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
Installation de sechage de pot biodegradable, installation de fabrication et procede de fabrication associe, et pot biodegradable obtenu selon l'invention