Method, system and apparatus for processing fibril cellulose and fibril cellulose material
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United States of America Patent
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Aug 16, 2016
Grant Date -
Nov 19, 2015
app pub date -
Feb 12, 2013
filing date -
Feb 13, 2012
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Abstract
The invention relates to a method for processing chemically modified fibril cellulose. The method includes introducing chemically modified fibril cellulose material to a thermal drying device including a belt in such a way that the fibril cellulose material forms at least one bar onto the belt, and dewatering the chemically modified fibril cellulose material on the belt using heated air flow having a temperature of at least 40 ° C. in order to concentrate and/or dry the chemically modified fibril cellulose material in such a way that the dry solids content of the fibril cellulose material after the thermal drying device is at least 10%. In addition, this invention relates to a thermal drying device, a system for processing chemically modified fibril cellulose, a method and a system for redispersing the fibril cellulose, and a fibril cellulose material.
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