Methods and systems for propagation of a microorganism using a pulp mill and/or a paper mill waste by-product, and related methods and systems
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United States of America Patent
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Feb 16, 2021
Grant Date -
Mar 7, 2019
app pub date -
Sep 5, 2018
filing date -
Sep 5, 2017
priority date (Note) -
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Abstract
The present disclosure relates to using a source of one or more monosaccharides derived from a pulp or paper mill waste by-product for propagating microorganisms (e.g., yeast or bacteria). If desired, after propagation, the microorganisms can then be used to ferment one or more monosaccharides derived from a pulp or paper mill waste by-product into one or more biochemicals. Optionally, a stillage composition can be included in propagation medium to facilitate propagation and/or a stillage composition can be used to facilitate enzymatic hydrolysis of oligosaccharides and/or polysaccharides in a pulp or paper mill waste by-product to form monosaccharides.
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