Alkaline extraction, peroxide bleaching of nonwoody lignocellulosic substrates
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United States of America Patent
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Sep 18, 1990
Issued Date -
N/A
app pub date -
Dec 8, 1989
filing date -
Apr 15, 1988
priority date (Note) -
Expired
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Abstract
An improved process for delignifying and bleaching nonwoody, lignocellulosic material into products digestible by ruminants and ingestible by humans. The process comprises treating the substrate in an alkaline solution for a period of time, separating the wetted substrate from the slurry and then treating the wetted substrate with an alkaline peroxide solution at an initial pH of 8.5 to 11.0 for a period of time, and separating, washing and drying the product.
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