HIGHLY REFINED PULP FROM FIBERS OBTAINED FROM USED BEVERAGE CARTONS
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United States of America
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Issued Date -
Feb 6, 2025
app pub date -
Oct 25, 2022
filing date -
Oct 25, 2022
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Abstract
The present invention relates to a method for manufacturing a highly refined cellulose composition, comprising: i) providing a fiber fraction comprising 20-100 wt % fibers obtained from used beverage cartons (UBC) based on the total dry fiber weight of the fiber fraction, ii) optionally subjecting the fiber fraction to mechanical, chemical or enzymatic pre-treatment, or a combination thereof, iii) subjecting the optionally pre-treated fiber fraction to refining at a consistency in the range of 0.5-30% by weight to a Schopper-Riegler (SR) in the range of 50-100, as determined by standard ISO 5267-1, to obtain the highly refined cellulose composition.
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