Process for removing colour and bleaching used coloured papers

Details Process for removing colour and bleaching used coloured papers Process for removing colour and bleaching used coloured papers

D - Textiles, Paper

21

H

D21H 25/18 (2006.01) D21C 5/02 (2006.01) D21C 9/10 (2006.01) D21C 9/16 (2006.01)

Patent

CA 2091224

A B R E G E Procédé pour la décoloration et le blanchiment de vieux papiers colorés. 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. Pas de figure.

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