Method for bleaching pulps

Details Method for bleaching pulps Method for bleaching pulps

D - Textiles, Paper

21

C

D21C 9/147 (2006.01) D21C 9/10 (2006.01) D21C 9/16 (2006.01)

Patent

CA 2041468

HOE 90/S 036 ABSTRACT A novel process for bleaching pulps with a bleaching solution, containing peroxide, which comprises use of, as an additional component of the bleaching solution, an activator which liberates nascent oxygen upon reaction with the peroxide, such as, tetraacetylethylenediamine and so on. The inventive method permits economization of the bleaching agent used, reduction of the bleaching time and a lowering of the bleaching temperature.

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