Method and system to enhance fiber development by addition of treatment agent during mechanical pulping
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United States of America Patent
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Oct 9, 2012
Grant Date -
Jun 18, 2009
app pub date -
Oct 24, 2008
filing date -
Dec 14, 2007
priority date (Note) -
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Abstract
A mechanical pulping method including: defibrating a comminuted cellulosic material; mechanically refining the defibrated cellulosic material in a primary refining step; introducing to the cellulosic material at least one of a chemical agent and a biological during the defibration step or the mechanical refining step, and producing pulp from the refined and defibrated cellulosic material.
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