Method for contaminant removal in paper production
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United States of America Patent
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Sep 23, 2014
Grant Date -
Dec 15, 2011
app pub date -
Jun 8, 2011
filing date -
Jun 11, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a process for controlling deposits in a paper making process, more particularly to a process comprising the use of talc for controlling deposits in a paper making process with talc. One aspect of the invention is contacting talc with a white water stream at one or more locations within the paper making process after separating pulp from a pulp-containing stream and before introducing the re-circulating the white water stream to one or more of a pulper, a thick-stock, a thin-stock, a dilution process, a shower, a storage vessel, a blending process, and a digestor.
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