Method and arrangement for circulating water in a paper machine
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United States of America Patent
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Feb 20, 2001
Grant Date -
N/A
app pub date -
May 23, 1997
filing date -
May 23, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method in a paper machine for arrangement of water circulation therefor and arrangement of a water circulation system in a paper machine. In view of full or partial closing of the water circulations in a paper machine, the wash water flows from the fabrics and from other devices in the paper machine as well as the water drained from the paper web to be produced are recovered selectively based on the place of origin thereof in the paper machine. At least a part of the recovered different water flows are cleaned, and the cleaned water flows are recirculated to applications of reuse suitable in view of their washing potential in the papermaking process.
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