BIOMASS MICROBEADS AND METHODS OF PRODUCING MICROBEADS
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United States of America Patent
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Aug 1, 2024
app pub date -
Feb 1, 2024
filing date -
Feb 1, 2023
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Microbeads including about 50 wt % to about 99 wt % cellulose and about 1 wt % to about 50 wt % lignin. An average diameter of the microbeads is in a range of about 25 microns to about 1500 microns. Producing the microbeads includes dissolving cellulose and lignin in a solvent to yield a biomass solution, introducing the biomass solution into oil to yield a first mixture, adding an anti-solvent to the first mixture to yield a second mixture, and precipitating the microbeads from the second mixture.
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