Method for controlling the addition of bleaching reagents to...

Details Method for controlling the addition of bleaching reagents to... Method for controlling the addition of bleaching reagents to...

D - Textiles, Paper

21

C

D21C 9/10 (2006.01)

Patent

CA 2265182

The present application describes a method for controlling the addition of bleaching/delignifying reagents to obtain a substantially constant percentage of pulp delignification across the first bleaching stage. The present method allows substantial improvements in bleached pulp quality through proper addition of the bleaching/delignifying reagent flow rate. The efficiency of the bleaching/delignifying reagent is therefore greatly improved. Further, reduction of pulp off-grades, equipment corrosion and effluent loading are additional beneficial effects resulting from the present invention.

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