Process for loading fibers with calcium carbonate in a...

Details Process for loading fibers with calcium carbonate in a... Process for loading fibers with calcium carbonate in a...

2005-04-19

2005-04-19

Alvo, Steve (Department: 1731)

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

With chemical or physical modification of liberated fiber

C162S019000, C162S181200, C162S181400, C162S182000, C162S183000

Reexamination Certificate

active

06881298

ABSTRACT:
For a process and an apparatus for loading fibers contained in a pulp suspension with calcium carbonate, a calcium oxide and/or a medium containing calcium hydroxide is fed to the pulp suspension, and the so treated pulp suspension is further charged in several reactors with pure carbon dioxide or a medium containing carbon dioxide. The reactors can be connected in series and/or in parallel.

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