BLEACHING OF MECHANICAL PULP WITH HIGH-TEMPERATURE PEROXIDE

PROBLEM TO BE SOLVED: To raise the whiteness level of mechanical pulp by bleaching it with hydrogen peroxide. SOLUTION: A method for producing bleached mechanical pulp, which involves using a pulping mill incorporated with a primary refiner and a secondary refiner, comprises the 1st step of feeding...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CAMPBELL ROGER O, HAMILTON ROBERT T, PARRISH ANTHONY, HAYNES KAAREN K, BROOKS ZEECHA L
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT PAPER-MAKING PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS TEXTILES TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKINGMACHINE
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