Process for manufacturing an improved web material by the in-situ measurement and adjustment of ion concentration

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United States of America Patent

PATENT NO 10844546
APP PUB NO 20190315084A1
SERIAL NO

16207131

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Importance

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Abstract

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A process having the steps of producing the web material with the papermaking machine; measuring a molar amount of a monovalent inorganic ionizable cation species (MIICS) in the web material; measuring a molar amount of a divalent inorganic ionizable cation species (DIICS) in the web material; calculating a molar ratio of the measured molar amount of the MIICS to the measured molar amount of the DIICS in the web material; determining if the molar ratio of MIICS to DIICS is about less than or equal to 10; and, if the molar ratio of MIICS to DIICS is greater than about 10, adding an amount of DIICS to the papermaking machine to adjust the molar ratio of MIICS to DIICS so the web material adhering to the Yankee drum drying system has a molar ratio of MIICS to DIICS of about less than or equal to 10, is disclosed.

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Patent Owner(s)

  • ELDORADO BRASIL CELULOSE S.A.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kavalew, Dale Cincinnati, US 4 1
Silva, Fernando Henrique-Pescatori Louveira, BR 2 5

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