Process for the production of paper
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United States of America Patent
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Aug 4, 1998
Grant Date -
N/A
app pub date -
Jan 8, 1997
filing date -
May 12, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for the production of paper by mixing an aqueous phase comprising white water with cellulose containing fibres, and optional fillers, in a mixing stage to form an aqueous suspension, draining the suspension in the presence of a drainage or retention aid to form a fibre containing sheet or web and white water, and recirculating at least part of the white water to the mixing stage, whereby at least part of the white water is subject to electrodialysis before the mixing stage.
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