Composition for the production of improved pulp

Details Composition for the production of improved pulp Composition for the production of improved pulp

2005-05-10

2005-05-10

Fortuna, José A. (Department: 1731)

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Treatment with particular chemical

C162S029000, C162S030110, C162S048000, C252S175000, C252S181000

Reexamination Certificate

active

06890404

ABSTRACT:
Compositions and method for improving properties of pulp produced or reducing the digester cycle time in alkaline chemical pulping processes in which an effective amount of at least one selected phosphonate or carboxylate compound or mixtures thereof is admixed with the alkaline aqueous mixture in the digester of the chemical pulping process. The compositions and method are especially well suited for use in the Kraft pulping process.

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