Process for treating lignin
This invention provides improvements to processes for making granular lignin from black liquor. One of the improvements is that the use of a pre-carbonation column reduces the CO2 flow into the sparger of a carbonation column. The pre-carbonation column is used to reduce the pH of the black liquor t...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
09.01.2024
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Subjects | |
Online Access | Get full text |
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