Procedure for adding a filler into a pulp based on cellulose fibers
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United States of America Patent
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Aug 20, 2002
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N/A
app pub date -
Feb 20, 1997
filing date -
Feb 20, 1996
priority date (Note) -
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Abstract
The invention relates to a procedure for adding a filler into a pulp based on cellulose fibers, in which the pulp is fluidized and the filler is added into it. Preferably the pulp is stirred in the fluidized state while the filler is being added. The pulp is preferably at a medium consistency when the filler is being added. Preferably the filler added into the pulp is calcium hydroxide and the calcium carbonate is precipitated with carbon dioxide.
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