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Bleach plant design and operation

Bleach plant design and operation The traditional peroxide (H2O2) bleaching (stage designation P) of mechanical pulps takes place in a retention vessel or tower. Tower bleaching requires equipment for dewatering (and metal removal) ahead of the bleaching stage, mixers for mixing the chemicals into the pulp, a bleaching tower providing a proper retention time, dilution
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This page has been updated 25.05.2021