Fremgangsmåte for bleking i nærvær av en chelatdanner

A process is disclosed for bleaching wood pulp, cellulose or used paper by treatment the fibre material to be bleached before the bleaching steps with a natural or synthetic zeolite or a layer lattice silicate and an easily decomposable organic complex forming agent, e.g. citric acid.

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Bibliographische Detailangaben
Hauptverfasser: SUSS, HANS ULRICH, GLAUM, HOLGER, SCHMIDT, KURT, LEONHARDT, WOLFGANG
Format: Patent
Sprache:nor
Schlagworte:
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Beschreibung
Zusammenfassung:A process is disclosed for bleaching wood pulp, cellulose or used paper by treatment the fibre material to be bleached before the bleaching steps with a natural or synthetic zeolite or a layer lattice silicate and an easily decomposable organic complex forming agent, e.g. citric acid.