Brightening of high yield and ultra high yield pulps

Details Brightening of high yield and ultra high yield pulps Brightening of high yield and ultra high yield pulps

D - Textiles, Paper

21

C

8/82

D21C 9/16 (2006.01)

Patent

CA 1249403

ABSTRACT OF THE DISCLOSURE There is provided an improved bleaching or brightening sequence for high yield and ultra-high yield pulps using peroxide compounds, the method being characterized by short reaction time at a relatively high reaction temperature and utilizing a minimum amount of stabilizers such as sodium silicate.

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