Method and Apparatus for Feeding Chemicals Into a Process Liquid Flow
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United States of America Patent
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Issued Date -
Sep 25, 2008
app pub date -
Jul 12, 2005
filing date -
Jul 16, 2004
priority date (Note) -
Abandoned
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Abstract
A method and apparatus for feeding a retention chemical together with an additive, which may be another chemical or for example a mineral, to paper suspension flow in a paper machine. The method and the apparatus are applicable to the simultaneous feeding of an additive of the paper manufacture, such as a filler, together with a retention chemical to paper pulp.
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