Method and apparatus for mixing a treatment agent with a pulp suspension
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United States of America Patent
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-
Nov 14, 1995
Grant Date -
N/A
app pub date -
Feb 28, 1994
filing date -
Sep 5, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods for mixing a treatment agent with a pulp suspension are disclosed including supplying the pulp suspension to a mixing chamber, moving the pulp suspension through a mixing zone with the mixing chamber, supplying the treatment agent to the moving pulp suspension across the entire width of the mixing chamber prior to the mixing zone, and in which the height of the mixing zone is sufficiently small such that the pulp suspension and the treatment agent are subjected to kneading within the mixing zone in order to repeatedly stretch and compress fiber flocks in the pulp suspension. Apparatus for mixing the treatment agent with the pulp suspension are also disclosed.
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