Process for the discolouration and bleaching of waste paper

Process for the discolouration and bleaching of waste paper

Process for decolorising and bleaching coloured waste paper by treatment with monoperoxysulphuric acid or one of its salts, according to which the treatment is carried out in the presence of a halide ion. Procédé pour décolorer et blanchir des vieux papiers colorés par traitement au moyen d'aci...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: NUGENT, ANTHONY J, HILL, ROY T, WALSH, PATRICIA B, SKINNER, JOHN E
Format: Patent
Sprache:eng ; fre ; ger
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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Beschreibung
Zusammenfassung:Process for decolorising and bleaching coloured waste paper by treatment with monoperoxysulphuric acid or one of its salts, according to which the treatment is carried out in the presence of a halide ion. Procédé pour décolorer et blanchir des vieux papiers colorés par traitement au moyen d'acide monoperoxysulfurique ou l'un de ses sels selon lequel on effectue le traitement en présence d'un ion halogénure.