METHOD FOR REMOVAL OF METALS FROM A BLEACH PLANT FILTRATE SYSTEM

A method is disclosed for removal of non process elements from a Kraft bleac h plant producing lyocell pulp. In the method the bleach plant filtrate is passed through at least one centrifugal cleaner. The non process elements are reduced by at least 20 percent of their original levels in the bleach...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SEALEY, JAMES E., II, CAMPBELL, ROGER O, LLOYD, DOUG, ROBARGE, KENT, HAYNES, KAAREN KATHLEEN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS THEREFOR 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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Beschreibung
Zusammenfassung:	A method is disclosed for removal of non process elements from a Kraft bleac h plant producing lyocell pulp. In the method the bleach plant filtrate is passed through at least one centrifugal cleaner. The non process elements are reduced by at least 20 percent of their original levels in the bleach plant filtrate.