FI752334

Bleaching of a lignocellulose-contg. matl. by the gas phase chlorination of a 20-40% (pref. 30%) pulp combined with displacement bleaching with ClO2 as an oxidation agent, is improved in that the spent liquor from the ClO2-stage is used as a displacing agent to dilute an unbleached or preliminarily...

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Bibliographische Detailangaben

1. Verfasser:	ANNERGREN GOERAN ERIK
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR 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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