METHOD FOR REDUCING THE ENERGY DEMAND DURING REFINING OF CHEMICAL PULP

The present invention provides a method for treatment of chemical pulpfor the manufacturing of paper or paperboard whereby reducing the energy demand during refining comprising the following steps: a) treatment of the pulp with a complexing agent prior to refining; and b) refining the pulp in at lea...

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Bibliographische Detailangaben
Hauptverfasser:	HTUN, MYAT, HAMMAR, LARS-AAKE, BAECKSTROEM, MARIE
Format:	Patent
Sprache:	eng ; fre
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
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Beschreibung
Zusammenfassung:	The present invention provides a method for treatment of chemical pulpfor the manufacturing of paper or paperboard whereby reducing the energy demand during refining comprising the following steps: a) treatment of the pulp with a complexing agent prior to refining; and b) refining the pulp in at least one step. La présente invention concerne un procédé destiné au traitement d'une pâte chimique pour la fabrication du papier ou du carton, et permettant de réduire la demande en énergie pendant le raffinage. Ce procédé consiste (a) à réaliser le traitement de cette pâte au moyen d'un agent complexant avant le raffinage, et (b) à raffiner ladite pâte en au moins une étape.