OXZP Sequence Influence of the Ozone Bleaching on the Hydrogen Peroxide Stage Properties, 1997 Pulping Conference Proceedings

An OXZP bleaching sequence has proved to be a good choice in order to control both viscosity and brightness of the bleached pulp. The Z stage has been optimized applying a four variable statistical sequential plan. The variables and applied ranges were: mass of dry pulp (10-20 g), ozone inlet concentration (20-50 mg/l), bleaching flow (80-220 Al/h), ozone dose (0.25-0.65 % o.d.p.). The influence of these variables on brightness, viscosity and kappa number was examined in the Z stage as well as P stage.

Author: Martínez, J. A., Vidal, T., Colom, J. F., Torres, A. L.
OXZP Sequence Influence of the Ozone Bleaching on the Hydrog
OXZP Sequence Influence of the Ozone Bleaching on the Hydrogen Peroxide Stage Properties, 1997 Pulping Conference Proceedings
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