METHOD FOR BLEACHING CHEMICAL PAPER PULPS BY FINAL OZONE TREATMENT AT HIGH TEMPERATURE

A method for treating a prebleached chemical pulp including a step of ozone treatment of the pulp, carried out at a temperature above 60° C., advantageously above 65° C. and even more advantageously above or equal to 70° C.

Saved in:
Bibliographic Details
Main Authors LACHENAL DOMINIQUE, CHIRAT CHRISTINE, RIED ACHIM, HOSTACHY JEANRISTOPHE, PIPON GUILLAUME
Format Patent
LanguageEnglish
Published 18.03.2010
Subjects
APPARATUS THEREFOR
BLEACHING LEATHER OR FURS
DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS,YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
LAUNDERING
PAPER-MAKING
PRODUCTION OF CELLULOSE
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS
REGENERATION OF PULPING LIQUORS
TEXTILES
TREATMENT OF TEXTILES OR THE LIKE
Online AccessGet full text

Cover

More Information
Summary:A method for treating a prebleached chemical pulp including a step of ozone treatment of the pulp, carried out at a temperature above 60° C., advantageously above 65° C. and even more advantageously above or equal to 70° C.
Bibliography:Application Number: US20070516369