PAPER PRODUCTION
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United States of America Patent
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Issued Date -
Feb 23, 2023
app pub date -
Oct 9, 2020
filing date -
Oct 9, 2020
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Abstract
There is provided a method of producing a paper, comprising the steps of: a) providing a pulp having a Schopper-Riegler (SR) number measured according to ISO 5267-1:1999 of 25-50, which pulp comprises at least 70% by weight sulphate or sulphite pulp; b) diluting the pulp to a consistency of 0.1%-0.9%; and c) forming a web from the diluted pulp from step b) in a forming section at a machine speed of at least 1100 m/min, such as 1100-1800 m/min.
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